USE OF A CANOLA SEED PRODUCED BY THE DARK SEED CANOLA PLANT FOR THE PRODUCTION OF CANOLA FLOUR, CANO

专利摘要:
field comprising canola plants, use of said plants, method for the production of a canola meal, canola meal, use of it, method of introducing a trace in a canola cultivar, as well as a plant-based product. the present invention relates to a canola germplasm, which gives a canola seed the traits of high protein and low fiber content, in which the canola plant produces a week having, on average, at least 68% oleic acid (c18: 1) and less than 3% linolenic acid (c18: 3). canola seed traces can also include crude protein content of at least 45% and fiber in acid detergent of no more than 18% based on oil-free dry matter. certain embodiments further comprise one or more traits selected from the group consisting of reduced polyphenolic content and increased phosphorus content. in certain embodiments, the invention relates to canola plants comprising such germplasm and plant-based products (e.g., seeds) generated from these plants. canola plants that comprise a germplasm of the invention may exhibit favorable characteristics of seed composition which makes them of special value as a source for obtaining canola meal.
公开号:BR112013021372B1
申请号:R112013021372-8
申请日:2012-02-21
公开日:2020-12-15
发明作者:Thomas James Kubik；Gregory R. Gingera；Van Leonard Ripley；Michelle E. Beath；Thomas G. Patterson
申请人:Agrigenetics, Inc；
IPC主号:

专利说明:

Priority Benefit Claim
[0001] This patent application claims, according to 35U.S.C. § 119 (e), its priority benefit to Provisional US Patent Application No. 61/445 426, filed on February 22, 2011, entitled "Canola Germoplasm Exhibiting Seed Compositional Attributes that Deliver Enhanced Canola Meal Nutritional Value Having Omega-9 Traits "[Canola germplasm exhibiting attributes in the composition of the seed to enhance the nutritional value of cinnamon bran with traces of Omega-9]. Technical Field of the Invention
[0002] The present invention concerns a germplasm and canola acultivars. In some embodiments, the invention relates to a canola germplasm having attributes in the bran composition (e.g., reduced levels of antinutritional factors and increased levels of proteins) that are modified regardless of the seed coat color. Specific embodiments relate to a canola germplasm that demonstrates dark seed color in combination with, for example, reduced levels of antinutritional factors (eg, acid detergent fiber (ADF) and polyphenolic compounds) and increased levels of proteins and phosphorus. Background of the Invention
[0003] "Canola" refers to rape seed (Brassica spp.) Containing erucic acid (C22: 1) of a maximum of 2 weight percent (when compared to the total fatty acid content of a seed), and which produces (after crushing) an air-dried bran containing less than 30 micromoles (μmol) of glucosinolates per gram of defatted (oil-free) bran. These types of rapeseed are distinguished by their edibility compared to more traditional varieties of the species. Canola oil is considered a superior edible oil because it exhibits low levels of saturated fatty acids.
[0004] Although rapeseed meal is relatively high in protein, its high fiber content reduces its digestibility and its value as animal feed. In comparison to soybean meal, canola and rapeseed meal contain higher values of dietary fiber and lower percentage of protein. Because of its high content of dietary fiber, canola bran has about 20% less metabolizable energy (ME) than soybean meal. As a result, the value of bran remained low in relation to bran from other oilseeds such as soybean meal, especially in pig and poultry feed. Rakow (2004a) Canola meal quality improvement through the breeding of yellow-seeded varieties - an historical perspective, in the AAFC Sustainable Production Systems Bulletin [Canada's Ministry of Agriculture and Agri-Food Systems Sustainable Production Bulletin]. In addition, the presence of glucosinolates in some canola meal also decreases its value due to the negative effects that these compounds have on the growth and reproduction of herds.
[0005] The varieties of canola differ in part by the color of the seed document. The color of the seed coat is generally divided into two main classes: yellow and black (or dark brown). Variable shades of these colors, such as reddish brown and yellowish brown, are also found. It has been widely observed that, in canola varieties with lighter seed coat, the husks are thinner and, consequently, contain less fiber and more oil and protein than varieties with dark colored seed coat. Stringam et al. (1974) Chemical and morphological characteristics associated with seed coat color in rapeseed, at the Proceedings of the 4th International Rapeseed Congress, 2016, Giessen, Germany, p. 99-108; Bell and Shires (1982) Can. J. Animal Science 62: 557-65; Shirzadegan and Robbelen (1985) Gotingen Fette Seifen Anstrichmittel 87: 235-7; Simbaya et al. (1995) J. Agr. Food Chem. 43: 2062-6; Rakow (2004b) Yellow-seeded Brassica napuscanola for the Canadian canola Industry, in the AAFC Sustainable Production Systems Bulletin. A possible explanation for this is that the canola plant can spend more energy in the production of proteins and oils, if there is no need for this energy for the production of fibrous components in the seed coat. Yellow seed canola strains have also been reported to have a lower glucosinolate content than black seed canola strains. Rakow et al. (1999b) Proc. 10th Int. Rapeseed Congress, Canberra, Australia, September 26-29, 1999, poster no 9. Thus, historically, the development of yellow seed canola varieties has been sought as a potential way to increase the feed value of bran of canola. Bell (1995) Meal and byproduct utilization in animal nutrition, in Brassica oilseeds, production and utilization.Eds. Kimber and McGregor, Cab International, Wallingford, Oxon, OX108DE, United Kingdom, p.301-37; Rakow (2004b), supra; Rakow & Raney (2003).
[0006] Some forms of the Brassica species with yellow seeds, closely related to B. napus (for example, B. rapa and B. juncea), demonstrated the presence of lower levels of fiber in their seeds and in the subsequent bran. The development of B. napus germplasm from yellow seeds demonstrated that the fiber content can be reduced in B. napus through the integration of genes that control the pigmentation of the seed from the species Brassica correlata. However, the integration of genes controlling seed pigmentation from the species Brassica correlata in varieties of Brassica with valuable oil seeds, such as canola varieties, is hampered by the fact that multiple recessive alleles are involved in the inheritance of seed integuments of color yellow in the currently available yellow seed strains. Furthermore, "deficient undulation" is also a problem commonly encountered during the color integration of the yellow seed coat from other Brassica species, such as juncea and carinata.
[0007] Very little information is available on the existing level of variability in relation to the fiber content in the dark-seeded B. napus germplasm, and there are no reports yet on the development of dark-seeded canola strains that contain reduced levels of antinutritional factors. (for example, fiber and polyphenolic compounds) and increased protein levels. Description of the Invention
[0008] The present invention describes canola (Brassicanapus) cultivars with open pollination (CL044864, CL065620) and hybrids (CL166102H, CL121460H and CL121466H), comprising a germplasm that provides a new combination of changes in the composition of canola meal, whose impact on nutritional value has been demonstrated. In some embodiments, canola plants comprising the germplasm of the invention can produce seeds with, for example, new combinations of protein, fiber and phosphorus levels such that these seed components are independent of the seed coat color. In specific embodiments, such plants can produce seeds with a higher protein and lower fiber content than conventional types of canola, as well as phosphorus levels that are similar or higher than the levels of phosphorus in conventional types of canola. Inbred and hybrid lines of canola, comprising the germplasm of the invention, can, in some embodiments, increase the nutritional properties of bran when used directly as feed or food ingredient, and / or when used as raw material for the processing of isolates and concentrates protein. Such seeds can be dark in color (for example, black, dark and mottled) or light.
[0009] Thus, the present invention describes a Brassica germplasm that can be used to obtain canola plants having desirable traces in the seed components in a manner independent of the seed color. In some embodiments, plants comprising such a germplasm can be used to produce a canola meal with desired nutritional qualities. In specific embodiments, inbred lines of canola (and their plants) comprising a germplasm of the invention are provided. In further embodiments, hybrid canola strains (and their plants) are provided, having an inbred canola plant comprising a germplasm of the invention as the parent. The canola varieties of the invention include, for example, among others: CL044864; CL065620; CL166102H; CL121460H; and CL121466H.
[00010] Specific embodiments of the invention include a canola germplasm that gives a canola seed the traits of high protein and low fiber content, in which the canola plant produces a seed having, on average, at least 68% oleic acid (C18: 1) and less than 3% linolenic acid (C18: 3). In other embodiments, a canola plant includes canola germplasm. Seeds produced by the canola plant are also described. Additional embodiments include a progeny plant grown from the seed of the canola plant. Methods for introducing at least one trait into a canola cultivar, selected from the group consisting of high protein, low fiber, at least 68% oleic acid (C18: 1) and less than 3% linolenic acid (C18: 3), in a manner independent of the seed coat color are also described.
[00011] The present invention also describes plant-based products that are obtained from inbreeding or hybrid canola plants comprising a germplasm of the invention. Specific embodiments include canola meal or seed obtained from such an inbred or hybrid canola plant.
[00012] Additionally, methods for improving the nutritional value of canola meal are described. For example, methods of introgression of a combination of characteristics in the composition of canola bran in a Brassica germplasm are described in a manner independent of the color of the seed. In specific embodiments, a germplasm of the invention can be combined with a canola germplasm, which is characterized by a yellow seed coat, to produce a germplasm that is able to enhance, in the canola meal, desired characteristics transmitted by each of the germplasms .
[00013] The foregoing and other characteristics will become more evident from the detailed description below of several embodiments, which continues with reference to the figures that accompany it. Description of the Invention of the Drawings
[00014] Figure 1 includes images of several varieties of canola with a dark seed coat color.
[00015] Figure 2 includes data obtained from the analysis of the seed composition of certain inbred and hybrid strains of B. napus. The seed samples came from replicated studies in western Canadian areas. Seed composition data were predicted based on near infrared (NIR) and subsequently verified using chemical reference methods. Mode (s) for Carrying Out the Invention I. Overview of various achievements
[00016] Canola bran is the remaining fraction of the canola seed after the oil extraction process. Canola bran is a source of protein and, therefore, used in several applications, including the formulation of animal feed and the isolation of high-value protein concentrates and isolates. The fiber inside the seed coat, cotyledons and embryos that remains at the end of the meal limits the inclusion rates of canola meal in monogastric animal species, so canola meal typically does not provide the same nutritional value as meal prepared from other sources (eg soy). Yellow seed forms in species closely related to B. napus (for example, B. rapa and B. juncea) have been shown to have lower levels of fiber in their seed and subsequent bran. This observation motivated attempts to introduce the low-fiber trace in B. napus in a manner dependent on the yellow color of seeds. The development of B. napus germplasm from yellow seeds demonstrated that the fiber content can be reduced in B. napus through this approach.
[00017] Prior to this invention, dark seed canola varieties were not thought to exhibit seed fiber content that was as low as had been observed in yellow seed varieties. In addition, dark-seeded canola strains, containing reduced levels of antinutritional factors (eg, fiber and polyphenolic compounds) and increased levels of protein and phosphorus that represent sources for improved canola meal, have not been described. In some embodiments, canola germplasms described here allow combining several essential attributes in order to improve the composition of the bran, the expression of which is independent of the seed coat color. In specific embodiments, canola bran prepared from canola seeds comprising a germplasm of the invention can achieve higher rates of dietary inclusion, for example, in pig and poultry diets.
[00018] The germplasms of the invention can be used (for example, through selective genetic improvement) for canola development, exhibiting desired traits of seed components, with one or more other desired traits (for example, improved oil composition, increased oil production, modified protein composition, increased protein content, disease resistance, parasite resistance, herbicide resistance, etc.). The germplasms of the invention can be used as starting germplasm, whereby additional changes in seed composition can be introduced, such that strains and canola hybrids can be developed and whose resulting canola brans have a greater number of improved characteristics than such as those described in this patent application. II. Abbreviations ADF acid detergent fiber ADL lignin in AID acid detergent apparent ileal digestibility AME apparent metabolizable energy BSC black seed canola CP percentage of crude protein DM dry matter concentration ECM improved canola bran of the present invention FAME fatty acid / methyl acid esters fatty GE raw energy HT "High Temperature" processing LT "Low Temperature" processing NDF neutral detergent fiber NMR nuclear magnetic resonance NIR Spectroscopy in near infrared SAE synaptic acid ester SBM soy bran BE soluble residue extracted SID standardized digestibility TAAA availability true amino acid TDF total dietary fiber TME metabolizable energy true WF white scale III. Terms
[00019] Backcross: Backcross methods can be used to introduce a nucleic acid sequence into plants. The backcrossing technique has been widely used for decades to introduce new traits in vegetables. Jensen, N., Ed. Plant Breeding Methodology, John Wiley & Sons, Inc., 1988. In a typical backcross protocol, the original variety of interest (recurrent parent) is crossed with a second variety (non-recurring parent) that carries a gene of interest to be transferred. The progeny resulting from this crossing is then crossed again with the recurrent parent, and the process is repeated until a plant is obtained in which essentially all the desired physiological and morphological characteristics of the recurrent plant are recovered in the converted plant, in addition to the gene transferred from the parent non-recurring.
[00020] Canola oil: Canola oil refers to oil extracted from commercial rapeseed varieties. To produce canola oil, the seed is typically graded by grade and mixed in grain elevators to produce an acceptable uniform product. The mixed seeds are then crushed and the oil is typically extracted with subsequently refined hexane. The resulting oil can then be sold for use. The oil content is typically measured as a percentage of the entire dry seed, and specific oil contents are characteristic of different canola varieties. The oil content can be quickly and routinely determined using various analytical techniques, for example, among others: NMR; NIR; extraction by Soxhlet or other methods widely available to those skilled in the art. See Bailey, Industrial Oil & Fat Products (1996), 5th Ed. Wiley Interscience Publication, New York, New York. The percentage composition of total fatty acids is typically determined by collecting a sample of oil extracted from the seed, the production of methyl esters of fatty acids present in the oil sample and analyzing the proportions of the various fatty acids in the sample by gas chromatography. The composition of fatty acids can also be a characteristic that allows distinguishing specific varieties.
[00021] Commercially useful: In this specification, the term "commercially useful" refers to plant and hybrid lines that have sufficient plant strength and fertility, so that a crop of the plant line or hybrid can be produced by farmers using conventional agricultural equipment. In specific embodiments, plant-based products with the components and / or qualities described can be extracted from plants or plant materials of the commercially useful variety. For example, oil containing the desired components can be extracted from the seed of a plant or hybrid strain using conventional crushing and extraction equipment. In certain embodiments, a commercially useful plant strain is an inbreeding strain or a hybrid strain. "Agronomically elite" strains and hybrids typically have desirable agronomic characteristics; for example, among others: improved yield of at least one plant-based product; maturation; disease resistance; and a lower degree of lodging (standability).
[00022] Elite line: Any plant line resulting from genetic improvement and selection for superior agronomic performance. An elite plant is any plant derived from an elite line.
[00023] Improved canola meal: In this specification, the term "improved canola meal" means canola meal with improved composition, derived from the processing of canola seeds that exhibit increased levels of protein and reduced levels of at least some components antinutritionals. The improved canola meal of the present invention can be referred to in this specification as "ECM", "Black seed canola ECM", "BSC ECM" or "DAS BSC ECM". However, the present invention is not intended to be restricted exclusively to black seed canola ECM germplasm.
[00024] Essentially derived: In some embodiments, manipulations of vegetables, seeds or their parts can lead to the creation of essentially derived varieties. In this specification, the term "essentially derived" adopts the convention presented by the International Union for the Protection of New Varieties of Plants (UPOV, International Union for the Protection of New Vegetable Varieties): [A] The variety will be considered essentially derived from another variety ("the initial variety") when (i) it is predominantly derived from the initial variety, or from a variety that is itself predominantly derived from the initial variety, while retaining the expression of the essential characteristics of the initial variety that result from the genotype or the combination of genotypes of the initial variety; (ii) clearly distinguishes itself from the initial variety; and (iii) except for differences that result from the act of derivation, correspond to the initial variety as to the expression of the essential characteristics of the initial variety that result from the genotype or combination of genotypes of the initial variety. (UPOV, VI Meeting with International Organizations, Geneva, October 30, 1992 (document prepared by the Office of the Union)).
[00025] Plant-based product: In this specification, the term "plant-based product" refers to basic products obtained from a particular plant or plant part (for example, a plant comprising a germplasm of the invention, and a plant part obtained from a plant comprising a germplasm of the invention). A basic product can be, for example, among others: grain; bran; protein; isolated protein; flour; oil; crushed or whole grains or seeds; any food product comprising any crushed or whole bran, oil or grain; or silage.
[00026] Vegetable lineage: In this specification, a "lineage" refers to a group of plants that exhibit little genetic variation (for example, no genetic variation) individually with respect to at least one trait. Inbred lines can be created by several generations of self-fertilization and selection or, alternatively, by vegetative propagation from a single parent using tissue or cell culture techniques. In this specification, the terms "cultivar", "variety" and "type" are synonymous, and these terms refer to a strain that is used for commercial production.
[00027] Plant material: In this specification, the term "plant material" refers to any processed or unprocessed material derived, in whole or in part, from a plant. For example, among others, a plant material can be a plant part, a seed, a fruit, a leaf, a root, a plant tissue, a plant tissue culture, a plant explant or a plant cell.
[00028] Stability: In this specification, the term "stability" or "stable" refers to a given plant component or trait that can be inherited and that is maintained at substantially the same level across multiple generations of seeds. For example, a stable component can be maintained for at least three generations at substantially the same level. In this context, the term "substantially the same" can refer, in some embodiments, to a component maintained within 25% between two different generations; within 20%; within 15%; within 10%; within 5%; within 3%; within 2%; and / or within 1%, as well as a component that is kept in perfect condition between two different generations. In some embodiments, a stable plant component can be, for example, among others, an oil component; protein component; fiber component; pigment component; glucosinolate component; and lignin component. The stability of a component can be affected by one or more environmental factors. For example, the stability of an oil component can be affected, for example, among others, by: temperature; location; stress; and the planting time. Subsequent generations of a plant with a stable component in field conditions are supposed to produce the plant component in a similar manner, for example, as presented above.
[00029] Trace or phenotype: The terms "trace" and "phenotype" are used interchangeably in this specification.
[00030] Variety or cultivar: The terms "variety" or "cultivar" refer, in this specification, to a plant line that is used for commercial production and whose characteristics are distinct, stable and uniform when propagated. In the case of a hybrid variety or cultivar, the parent lines are distinct, stable and uniform in their characteristics.
[00031] Unless otherwise indicated, the terms "one" and "one" in this specification refer to at least one unit. IV. Canola germplasm that gives desired traits in seed components regardless of seed color
[00032] In a preferred embodiment, the invention provides a Brassica germplasm that can be used to obtain canola plants with desirable traits in seed components regardless of the color of the seed. In addition, special inbreeding strains and exemplary canola hybrids comprising this germplasm are provided.
[00033] Canola oil has generally been recognized as a very healthy oil, both for human and animal consumption. However, the bran component of canola seed, which is left after the oil component is extracted, is inferior to soybean meal because of its high fiber content and reduced nutritional value. In some embodiments, canola plants comprising a germplasm of the invention can mitigate or overcome these deficiencies, and can provide canola meal as a highly nutritious and economical source of animal feed. Canola bran is a by-product of the production of canola oil and, in this way, the canola bran provided by this invention saves valuable resources by allowing this by-product to be used competitively together with other bran.
[00034] It was previously believed that the yellow color of the canola seed was in itself significant, as it was supposed to correspond to improved nutritional characteristics of the bran component obtained after oil extraction. Some embodiments may provide, for the first time, a germplasm for canola of dark seeds (for example, dark, black and mottled seeds) with low fiber content which also provides a superior oil with high oleic content and low linolenic acid, this germplasm it also gives rise to a canola meal with improved nutritional characteristics (for example, improved seed components). In some embodiments, a plant comprising a germplasm of the invention may surprisingly still confer those traits combined with other traits of value (for example, among others, excellent yield, high protein content, high oil content and high oil quality). Seeds with a dark tegument, in specific embodiments, may have a considerably finer seed tegument than seeds produced by standard dark seed canola varieties. The finer seed coat can result in reduced bran fiber content and increased seed oil and protein content when compared to oil and protein levels in a standard variety of dark seeds. Dark seeds produced by plants comprising a germplasm of the invention may therefore have higher concentrations of oil and protein than those seen in seeds produced by a standard dark seed canola plant.
[00035] In embodiments, a plant comprising a germplasm of the invention does not exhibit substantial and / or imposed agronomic limitations on the seed. For example, such a plant may exhibit agronomic and / or seed qualities (for example, germination; vigor at the beginning of the season; effect of seed treatments; seed harvesting and storage potential) that are at least as favorable as those exhibited by standard canola varieties. In specific embodiments, a plant comprising a germplasm of the invention may also comprise one or more favorable traits exhibited by a pre-existing inbred line of canola, for example, among others, a favorable fatty acid profile.
[00036] In embodiments, a plant comprising a germplasm of the invention can produce seeds comprising at least one of several nutritional characteristics. In specific embodiments, a seed produced by such a canola plant may comprise at least one nutritional characteristic selected from the group consisting of: favorable oil profile; high protein content; low fiber content (for example, ADF and NDF (including low polyphenolic content)); (low fiber content and high protein content provide a higher level of metabolizable energy); high phosphorus content; and low ester content of synapic acid (SAE); In certain embodiments, "high" or "low" component content refers to a comparison between a seed produced by a reference plant comprising a germplasm of the invention and a seed produced by standard canola varieties. In this way, a plant producing a seed with "low" fiber content can produce a seed with a lower fiber content than that observed in a seed produced by standard canola varieties. And, a plant producing a seed with a "high" protein content can produce a seed with a higher protein content than that seen in a seed produced by standard canola varieties.
[00037] In some embodiments, a substantially uniform set, assembled with a rapeseed seed produced by a canola plant comprising at least one nutritional characteristic selected from the aforementioned group, can be produced. Such seed can be used to produce a substantially uniform field of rapeseed plantations. Specific concretizations provide canola seeds comprising combinations that identify the aforementioned characteristics. For example, the combined total oil and protein content of a seed can be a useful and unique measure of the seed.
[00038] Some embodiments provide a canola (e.g. dark seed canola) comprising a germplasm of the invention that is capable of producing canola oil with NATREON type oil profile or "Omega-9" oil profile. An oil profile "NATREON type", "similar to NATREON" or "omega-9" can mean oleic acid content in a range of, for example, 68-80%; 70-78%; 71-77%; and 72-75%, with alpha linolenic acid content below, for example, 3%. In specific embodiments, a seed obtained from a canola plant comprising a germplasm of the invention can produce oil containing above 68%, above 70%, above 71%, above 71.5% and / or above 72 % (eg 72.4% or 72.7%) oleic acid, while having a linolenic acid content of less than 3%, less than 2.4%, less than 2%, less than 1.9% and / or less than 1.8% (for example, 1.7%). In additional embodiments, however, a canola comprising a germplasm of the invention can produce oils having, for example, oleic acid content greater than 80%. In certain embodiments, a canola oil produced from a canola comprising a germplasm of the invention can be naturally stable (for example, not artificially hydrogenated). The fatty acid content of canola oil can be quickly and routinely determined according to known methods.
[00039] Thus, some embodiments provide a canola seed (for example, a dark canola seed) comprising a fraction of oil and a fraction of bran, where the fraction of oil may have a-linolenic acid content of, for example, 3% or less (in relation to the total fatty acid content of the seed), and oleic acid content of, for example, 68% or less (in relation to the total fatty acid content of the seed). By definition, the erucic acid content (C22: 1) of such a seed can be less than 2% by weight (when compared to the total fatty acid content of the seed). In specific examples, the oil content of a canola seed can comprise 48% -50% of the weight of the seed.
[00040] The term "high oleic" refers to Brassica juncea or other species of Brassica as the context may indicate, with higher oleic acid content than that of a variety or lineage of the wild type or another reference, more generally it indicates a fatty acid composition comprising at least 68.0% by weight of oleic acid.
[00041] "Total saturated" refers to the combined percentages of palmitic (C16: 0), stearic (C18: 0), arachidic (C20: 0), behenic (C22: 0) and tetracosanoic (C24: 0) . The concentrations of fatty acids, discussed in this specification, are determined according to standard procedures well known to those skilled in the art. The elucidation of specific procedures is presented in the examples. Concentrations of fatty acids are expressed as a percentage by weight of the total fatty acid content.
[00042] The term "stability" or "stable" in this specification, with respect to a given genetically controlled fatty acid component, means that the fatty acid component is maintained from generation to generation for at least two generations, and then preferably for at least three generations at substantially the same level, for example, preferably ± 5%. The methods of the invention are capable of creating strains of Brassica juncea with improved fatty acid compositions, stable up to ± 5% from generation to generation. The technicians in the subject understand that the stability of the reference above can be affected by temperature, location, stress and planting time. Thus, comparisons of fatty acid profiles should be made using seeds produced under similar growing conditions.
[00043] When the term "Brassica plant" is used in the context of the present invention, it also includes any conversions from a single gene of that group. The term "plant converted to a single gene" in this specification refers to Brassica plants that are developed by a plant breeding technique that is called backcrossing, in which essentially all the desired morphological and physiological characteristics of a variety are recovered, in addition to the only gene transferred in the variety through the backcrossing technique. Backcrossing methods can be employed with the present invention to improve or introduce a trait into the variety. The term "backcross" in this specification refers to the repeated crossing of a hybrid progeny back to the recurrent parent, that is, backcrossing one or more times with the recurring parent (identified as "BC1", "BC2" , etc.). The Brassica parent plant that contributes the gene to the desired characteristics is called "non-recurring parent" or "donor parent". This terminology refers to the fact that the non-recurring parent is used once in the backcross protocol and, therefore, does not resort. The Brassica parent plant to which the gene or genes of the non-recurring parent are transferred is known as the recurrent parent, as it is used for several cycles in the backcross protocol (Poehiman & Sleper, 1994; Fehr, 1987). In a typical backcross protocol, the original variety of interest (recurrent parent) is crossed with a second variety (non-recurring parent) that carries the single gene of interest to be transferred. The progeny resulting from this crossing is then crossed again with the recurrent parent, and the process is repeated until a Brassica plant is obtained in which essentially all the desired morphological and physiological characteristics of the recurrent parent are recovered in the converted plant, in addition to the single transferred gene from the non-recurring parent, as determined at the 5% significance level, when grown under the same environmental conditions. In this patent application, the term "Brassica" can include any or all of the species included in the genus Brassica, including Brassica napus, Brassica juncea, Brassica nigra, Brassica carinata, Brassica oleracea and Brassica rapa.
[00044] Brassica juncea de canola, in this patent application, refers to Brassica juncea which produces seeds with oil and bran quality that meets the requirements for commercial designation as "canola" oil or bran, respectively (ie plants Brassica juncea species that have less than 2% erucic acid (Δ13-22: 1), by weight in seed oil and less than 30 micromoles of glucosinolates per gram of oil-free bran).
[00045] In one aspect, the invention provides Brassica plants, such as Brassica juncea plants, capable of producing seeds with an endogenous fatty acid content comprising a high percentage of oleic acid and a low percentage of linolenic acid by weight. In specific embodiments, oleic acid may comprise more than approximately 68.0%, 69.0%, 70.0%, 71.0%, 72.0%, 73.0%, 74.0%, 75.0 %, 76.0%, 77.0%, 78.0%, 79.0%, 80.0%, 81.0%, 82.0%, 83.0%, 84.0% or 85.0 %, including all integers and their fractions or any integer with a value greater than 85% oleic acid. In specific embodiments, the linolenic acid content of fatty acids can be less than approximately 5%, 4%, 3%, 2.5%, 2.0%, 1.5%, 1.0%, 0.5% or 0%, and including all integers and their fractions. In an exemplary embodiment, the plant is Brassica juncea, whose seeds have an endogenous fatty acid content comprising at least 68% oleic acid by weight and less than 3% linolenic acid by weight. In a further embodiment, the plant is a Brassica juncea plant whose seeds have an endogenous fatty acid content comprising at least 68.0% oleic acid by weight and at most approximately 5% linolenic acid by weight.
[00046] In one aspect, the invention provides Brassica plants, such as Brassica juncea plants, capable of producing a seed with an endogenous fatty acid content comprising a high percentage of oleic acid and a low percentage of linolenic acid in weight and low content of acids total saturated fatty acids or high content of total saturated fatty acids, which may comprise less than approximately 5.5% of total saturated fatty acids or> 10% of total saturated fatty acids, respectively.
[00047] It is known that the composition of oil from Brassica juncea seeds differs from that of Brassica napus in terms of fatty acid components (for example, higher erucic acid content), essential oils (for example, allyl isothiocyanate) and secondary constituents (for example, tocopherols, metals, tannins, phenolics, phospholipids, colored bodies and the like). Oils in seeds (including extracted oils) of Brassica juncea demonstrated higher oxidative stability when compared to oils derived from Brassica napus, although oils derived from Brassica juncea typically contain higher levels of C18: 3. (C. Wijesundera et al., "Canola Quality Indian Mustard oil (Brassica juncea) is More Stable to Oxidation than Conventional Canola oil (Brassica napus)," J. Am. Oil Chem. Soc. (2008) 85: 693-699 ).
[00048] In an alternative aspect, the invention provides methods for increasing the oleic acid content and reducing the linolenic acid content of Brassica plants. Such methods may involve: (a) inducing mutagenesis in at least some cells of a Brassica strain that has oleic acid content greater than 55% and linolenic acid content less than 14%; (b) regenerate plants from at least one of said cells transformed by mutagenesis and select regenerated plants that contain fatty acid content comprising at least 68% oleic acid (or an alternative oleic acid concentration threshold as stipulated above) and less than 3% linolenic acid (or an alternative threshold of linolenic acid concentration as stipulated above); and (c) derive later generations of plants from said regenerated plants, the individual plants of said later generations with a fatty acid content comprising at least 68% oleic acid (or the alternative concentration threshold) and less than 3% linolenic acid (or the alternative concentration threshold). In some embodiments, Brassica can be Brassica juncea. The term "high oleic acid" and "low linolenic acid" covers the full range of possible values described above. In alternative embodiments, the methods of the invention may further comprise selecting one or more of the lineages, regenerated plants and subsequent generations of plants that have reduced linoleic acid content, as in the range of possible values described above. In additional embodiments, step (c) may involve selecting and growing seeds from the regenerated plants from step (b). In further embodiments, the methods of the invention may comprise repeating the specified steps until the desired oleic acid content, the linoleic acid content, or both are achieved.
[00049] In alternative embodiments, methods are provided for screening individual seeds for increased oleic acid content and decreased linoleic acid content, comprising: determining one or more of the oleic acid content; or the linoleic acid content; or the oleic acid content and the linoleic acid content of the fatty acids in a part of the seed germinated, compare one or more of the contents with a reference value; and infer the likely relative content of oleic acid, linoleic acid, or oleic and linoleic acid in the seed. In specific embodiments, the part of the plant used for analysis can be part or all of a leaf, cotyledon, stem, petiole, stem or any other tissue or tissue fragment, such as tissues with a composition that demonstrates a reliable correlation with the composition of the seed. In a series of embodiments, the part of the sprout may be part of a leaf. In certain embodiments, the step of inferring the fatty acid composition of the seed may comprise assuming that a significantly altered level of a given acid in said plant reflects a relative change similar to the level of that acid in the seed. In a specific embodiment of this invention, a method is provided to screen Brassica plants for an individual plant strain whose seeds have an endogenous fatty acid content comprising at least 68% oleic acid and less than 3% linolenic acid by weight analysis. leaf tissue. In addition, the leaf tissue can be analyzed for fatty acid composition by liquid gas chromatography, where the extraction of fatty acids can be carried out by methods such as bulk seed analysis or half seed analysis.
[00050] In alternative embodiments, the invention provides Brassica plants, which can be Brassica juncea plants, comprising the alleles of genes previously described from Brassica juncea strains. In certain embodiments, the plant can be homozygous at the fad2-a and fad3-a loci, represented by the mutant alleles. In a further embodiment, the Brassica juncea plant, plant cell or a part thereof contains the gene alleles with nucleic acid sequences from the previously described sequences disclosed in this patent application.
[00051] In some embodiments, the invention may involve distinguishing HOLL, the canola quality of Brassica juncea of the present invention (> 68% oleic acid and <5% linolenic acid), from Brassica juncea with low oleic acid / high acid linolenic acid (“45% oleic acid and“ 14% linolenic acid), examining the presence or absence of the BJfad2b gene (see, for reference, US Patent Publication No. 20030221217, Yao et al.). This distinction may involve confirming whether the BJfad2a gene is the only functional fatty acid oleate desaturase gene in a canola-quality strain of Brassica juncea, as is known in the art.
[00052] In one embodiment, the Brassica juncea lineage contains the genes fad2 and fad3, as described in International Publication No. U.S 2006/0248611 A1, which are exemplified in Figures 1 and 3 in this document. The fad2 and fad3 genes are exemplified in this specification by SEQ ID NOS: 1-4. The resulting alleles encode delta-12 fatty acid desaturase proteins, which are in Figure 2 of International Publication Publication No. U.S. 2006/0248611 A1. In other embodiments, the strain ofBrassica juncea can contain mutations in the loci of the fad2-a and fad3-a genes and the resulting mutant alleles can encode one or more mutations in the sequence of the predicted proteins BJFAD2-a and BJFAD3-a. Representative examples of mutant fad2-a and fad3-a genes and proteins suitable for use in the present invention also include, but are not limited to, those described in: International Publication No. WO 2006/079567 A2 (for example, Figures 1 and 2), such as such as SEQ ID NOS: 8 and 9; International Publication No WO 2007/107590 A2, such as SEQ ID NOS: 10-21; U.S. Patent No. 6,967,243 B2 (for example, Figures 2 and 3), such as SEQ ID NOS: 22-27; and European Publication No. 1 862 551 A1 (for example, Figures 1 to 10), such as SEQ ID NOS: 28-39.
[00053] In selected embodiments, the invention provides isolated DNA sequences that comprise complete open reading frames (ORFs) and / or upward 5 'regions of the previously described mutant fad2 and fad3 genes. The invention thus also provides polypeptide sequences for the predicted mutant proteins, containing mutations resulting from the previously described mutant alleles. It is known that membrane-bound desaturases, such as FAD2, have conserved histidine boxes. Changes in amino acid residues outside these histidine boxes can also affect the enzymatic activity of FAD2 (Tanhuanpaa et al., Molecular Breeding 4: 543-550, 1998).
[00054] In one aspect of the invention, the mutant alleles described herein can be used in plant breeding. Specifically, the alleles of the invention can be used for breeding Brassica species with a high oleic acid content, such as Brassica juncea, Brassica napus, Brassica rapa, Brassica nigra and Brassica carinata. The invention provides molecular markers to distinguish mutant alleles among alternative sequences. The invention hereby provides methods for segregation and selective analysis of genetic crosses involving plants containing alleles of the invention. The invention hereby provides methods for segregation and selective analysis of progenies derived from genetic crosses involving plants containing alleles of the invention.
[00055] In alternative embodiments, the invention provides methods for identifying Brassica plants, such as Brassica juncea plants, with a desirable fatty acid composition or a desired genomic characteristic. The methods of the invention may, for example, involve determining the presence in a genome of certain FAD2 and / or FAD3 alleles, such as the alleles of the invention, or the wild-type J96D- 4830 / BJfad2a allele. In specific embodiments, the methods may comprise identifying the presence of a nucleic acid polymorphism associated with one of the identified alleles or an antigenic determinant associated with one of the alleles of the invention. Such determination can, for example, be achieved with a range of techniques, such as PCR amplification of the relevant DNA fragment, DNA fingerprinting, RNA fingerprinting, gel and RFLP blotting analysis , nuclease protection assays, sequencing of the relevant nucleic acid fragment, the generation of antibodies (monoclonal or polyclonal), or alternative methods adapted to distinguish the protein produced by the relevant alleles from other variants or wild-type forms of that protein. This invention also provides a method for identifying B. juncea plants, whose seeds have an endogenous fatty acid content comprising at least 68% oleic acid by weight, by determining the presence of the mutant alleles of the invention.
[00056] In alternative embodiments, the invention provides Brassica plants comprising the coding sequences for fad2 and fad3 that encode mutant FAD2 and FAD3 proteins. Such mutant FAD2 / FAD3 proteins can contain a single amino acid change when compared to wild-type FAD2 protein. In representative embodiments, several strains of Brassica juncea contain the previously described mutant FAD2 proteins, encoded by the previously described alleles. Such alleles can be selected to be effective in imparting increased oleic acid content and reduced linolenic acid content to plants of the invention. specific embodiments, the desired allele can be introduced into plants by genetic improvement techniques. In alternative embodiments, alleles of the invention can be introduced by molecular biology techniques, including plant transformation. In such embodiments, the plants of the invention can produce seeds with an endogenous fatty acid content comprising: at least approximately 68% oleic acid by weight and less than approximately 3% linolenic acid by weight, or any other threshold for acid content oleic and linolenic acid as stipulated above. The plants of the invention may also contain from approximately 68% to approximately 85% by weight of oleic acid, from approximately 70% to approximately 78% of oleic acid, and from approximately 0.1% to approximately 3% of linoleic acid, wherein the composition of the oil is genetically derived from the parent lineage. The plants of the invention may also exhibit a total fatty acid content of less than 7.1% to less than approximately 6.2% by weight. In one embodiment, the plant produces seeds with an endogenous fatty acid content that comprises at least approximately 68% oleic acid and less than 3% linoleic acid, in which the oil composition is genetically derived from the parent lineage.
[00057] In selected embodiments, the invention provides Brassica seeds, which can be Brassica juncea seeds, having endogenous oil content with the fatty acid composition presented for one or more of the preceding embodiments and in which the genetic determinants for content of endogenous oil are derived from the mutant alleles of the invention. Such seeds can be obtained, for example, by self-fertilizing each of the mutant allele strains of the invention. Alternatively, such seeds can be obtained, for example, by crossing the mutant allele strains with a second parent, followed by selection, where the second parent can be any other Brassica strains such as a Brassica juncea lineage, being from Brassica juncea of canola quality or Brassica juncea not of canola quality, or any other species of Brassica such as Brassica napus, Brassica rapa, Brassica nigra and Brassica carinata. These breeding techniques are well known to those skilled in the art.
[00058] In alternative embodiments the invention provides genetically stable plants of the genus Brassica, such as Brassica juncea plants that develop mature seeds having a composition described in one or more of the preceding embodiments. Such plants can be derived from strains of Brassica juncea with mutant alleles of the invention. The oil composition of such plants can be genetically derived from the parent strains.
[00059] In alternative embodiments, the invention provides processes for producing a genetically stable Brassica plant, such as a Brassica juncea plant, which produces mature seeds with an endogenous fatty acid content comprising the specified composition for one or more of the preceding embodiments. The processes of the invention can involve the steps of: crossing Omega-9 genes (e.g., fad2a and fad3a) from Brassica napus with other Brassica plants, such as Brassica juncea, to form F1 progenies. F1 progenies can be propagated, for example, by means that can include self-fertilization or the development of double-haploid plants. Combining FAD2 mutant alleles with FAD3 mutant alleles allows plants that have double mutant gene alleles (fad2 and fad3) to exhibit higher oil fatty acid profiles than plants with a single mutant. The resulting progenies can be subjected to selection for genetically stable plants that generate seeds with a composition described for one or more of the preceding embodiments. Such seeds may, for example, have a stabilized fatty acid profile that includes a total saturated content of approximately 7.1% to approximately 6.5% in total extractable oils. In certain variants, the progeny can itself produce seeds or oil that has a composition as shown above for alternative embodiments. Have an oleic acid content greater than approximately 68% by weight and a linolenic acid content less than approximately 3% by weight.
[00060] In one aspect, the invention provides plants with a stable phenotype that can be inherited from high oleic acid and low linolenic acid. For example, the phenotype of high oleic acid and low linolenic acid, resulting from the mutant alleles of the invention, can be genetically inherited through the M2, M3 and M4 generations.
[00061] In alternative embodiments, the invention provides Brassica juncea plants, in which the activity of a fatty acid desaturase is altered, the oleic acid content is altered or the linolenic acid content is altered in relation to wild type B. juncea that was used for the mutagenesis experiment. Fatty acid desaturase ("FAD") means, in this specification, a protein that exhibits the activity of introducing a double bond in the biosynthesis of a fatty acid. For example, FAD2 / FAD3 enzymes can be characterized by the activity of introducing the second double bond in the linoleic acid biosynthesis from oleic acid. Altered desaturase activity may include increasing, reducing or eliminating the activity of a desaturase compared to a reference plant, cell or sample.
[00062] In other respects, the reduction of desaturase activity may include eliminating the expression of a nucleic acid sequence encoding a desaturase, such as a nucleic acid sequence of the invention. Elimination of the expression in this specification means that a functional amino acid sequence, encoded by the nucleic acid sequence, is not produced at a detectable level. Reduction of desaturase activity can include eliminating transcription of a nucleic acid sequence that encodes a desaturase, such as a sequence of the invention that encodes a FAD2 enzyme or a FAD3 enzyme. Transcription elimination in this specification means that the mRNA sequence encoded by the nucleic acid sequence is not transcribed at detectable levels. Reduced desaturase activity may also include the production of a broken amino acid sequence from an acid sequence nucleic acid encoding a desaturase. Production of a broken amino acid sequence in this specification means that the amino acid sequence encoded by the nucleic acid sequence does not contain one or more amino acids present in the functional amino acid sequence encoded by a wild type nucleic acid sequence. In addition, reduction of desaturase activity may include a variant sequence of desaturase amino acids. Production of a variant amino acid sequence, in this specification, means that the amino acid sequence has one or more amino acids that are different from the amino acid sequence encoded by a wild-type nucleic acid sequence. As discussed in more detail in this specification, the present invention reveals that the mutant strains of the invention produce FAD2 and FAD3 enzymes with variant amino acids when compared to the wild-type J96D-4830 strain. A variety of types of mutations can be introduced in a nucleic acid sequence to reduce the activity of desaturases, such as frameshift mutations (displacement of the reading mode), by substitutions and deletions.
[00063] In some embodiments, the invention provides new FAD2 / FAD3 polypeptide sequences, which can be modified according to alternative embodiments of the invention. It is well known in the art that some modifications and alterations can be made to the structure of a polypeptide without substantially altering the biological function of that peptide to obtain a biologically equivalent polypeptide. In this specification, the term "conservative amino acid substitutions" refers to the substitution of one amino acid for another at a given location in the peptide, in which the substitution can be made without any appreciable loss or gain of function to obtain a biologically equivalent polypeptide . In such changes, substitutions of amino acid residues of a similar type can be made based on the relative similarity of substituents on the side chain, for example, their size, charge, hydrophobicity, hydrophilicity and the like, and such substitutions can be evaluated for their effect on the function of the peptide by routine tests. On the other hand, in this specification, the term "non-conservative amino acid substitutions" refers to the substitution of one amino acid for another at a given location in the peptide, where the substitution causes loss or appreciable gain of function of the peptide, to obtain a polypeptide that is not biologically equivalent.
[00064] Fiber is a component of the cell wall of vegetables, and includes polymers of carbohydrates (for example, cellulose (linear polymeric chains of glucose)); hemicellulose (branched chains of heteropolymers of, for example, galactose, xylose, arabinose, rhamnose, with phenolic molecules attached); and pectins (water-soluble polymers of galacturonic acid, xylose, arabinose, with different degrees of methylation). Fiber also includes polyphenolic polymers (for example, lignin polymers and condensed tannins). In theory, the ADF fiber is made up of cellulose and lignin. Condensed tannins are typically included in a fraction of ADF, but the content of condensed tannins varies independently of ADF. In contrast, TDF is the bran from which protein, soluble and starch and starch have been removed, and is composed of insoluble components of the cell wall (for example, cellulose, hemicellulose, polyphenols and lignin).
[00065] In specific embodiments, a seed from a canola plant (e.g., dark-seeded canola plant), comprising a germplasm of the invention, may have a lower ADF content compared to a variety of canola. In specific examples, the fiber content of canola bran (whole seed, oil removed, based on dry matter) can be, for example, among others: less than approximately 18% ADF (for example, approximately 18% ADF , approximately 17% ADF approximately 16% ADF, approximately 15% ADF, approximately 14% ADF, approximately 13% ADF, approximately 12% ADF, approximately 11% ADF and approximately 10% ADF) and / or less than approximately 22% NDF (e.g., approximately 22.0% NDF, approximately 21% NDF, approximately 20% NDF, approximately 19% NDF, approximately 18% NDF and approximately 17% NDF).
[00066] In specific embodiments, the seed of a canola plant comprising a germplasm of the invention may have an increased protein content, compared to a standard dark seed canola variety. In specific examples, the protein content of canola bran (whole seed, oil removed, based on dry matter) can be, for example, among others, greater than approximately 45% (for example, approximately 45%, approximately 46%, approximately 47%, approximately 48%, approximately 49%, approximately 50%, approximately 51%, approximately 52%, approximately 53%, approximately 54%, approximately 55%, approximately 56%, approximately 57% and approximately 58%) of crude protein. Different varieties of canola are characterized by specific protein levels. The protein content (% nitrogen x 6.25) can be determined by several well-known and routine analytical techniques, for example, NIR and Kjeldahl.
[00067] Phosphorus content can also be used to define seeds, plants and strains of canola varieties in some embodiments. Such canola varieties can produce canola bran (whole seed, oil removed, based on dry matter) with increased content of phosphorus when compared to bran produced from standard canola varieties. For example, the canola meal of the invention may comprise a phosphorus content above 1.2%; above 1.3%; above 1.4%; above 1.5%; above 1.6%, above 1.7% and / or above 1.8%.
[00068] Various combinations of the aforementioned traits can also be identified, and exemplified by them, in the inbred lines of canola and hybrids provided in the various Examples. These lines illustrate that the germplasm of the invention can be used to provide and obtain several new combinations of a wide variety of advantageous traits and / or traits of canola. For example, an inbred canola strain, comprising a germplasm of the invention, can be crossed with another canola strain that comprises a desired trait and / or trait to introduce desirable characteristics into components of the seed of the inbred canola strain that comprises a germplasm of the invention. Calculations of seed components (eg fiber content, glucosinolate content, oil content, etc.) and other plant traits can be obtained using techniques that are well-known in the specific field and accepted in the sector. The selection and propagation of progeny plants resulting from the crossing, which understand the characteristics and / or the desired traits of the parent varieties, allow the creation of new varieties that comprise the desired combination of characteristics and / or traits. V. Canola bran with improved nutritional characteristics
[00069] Some embodiments provide bran comprising canola seed, where canola seed has characteristics relating to oil and bran as discussed above. For example, some embodiments include canola bran extracted with hexane, air-dried (White Flake or WF) comprising a new combination of characteristics (e.g., seed components) as discussed above. Specific embodiments include bran comprising canola seed produced from a plant comprising a germplasm of the invention, and bran comprising seeds from the progeny of a plant comprising a germplasm of the invention.
[00070] Inbreeding lines and canola hybrids comprising the germplasm of the invention may, in some embodiments, enhance the nutritional properties of bran when used directly as a feed or food ingredient, and / or when used as a raw material for the processing of isolates and concentrates protein. For example, such inbreeding strains and canola hybrids can lead to higher animal feed performance than standard canola meal. In some embodiments, the components of canola meal (and animal feed comprising them) can be used to provide good nutrition to a monogastric animal (for example, swine and poultry).
[00071] In some embodiments, the components of canola bran (and animal feed comprising them) can be used to further provide good nutrition to a ruminant animal (for example, bovine, sheep, goat and other animals of the suborder Ruminantia) . Feeding ruminants presents special problems and special opportunities. The special opportunities arise from the ability of ruminants to use insoluble cellulosic fiber, which can be decomposed by certain microorganisms in the course of these animals, but which is generally not digestible by monogastric mammals, such as swine. The special problems stem from the tendency of certain diets to inhibit fiber digestion in the rumen, and the tendency of the rumen to limit the use of some components of certain diets, such as fat and protein.
[00072] Brassica seeds after the extracted oil represent a potential source of high quality protein to be used in animal feed. After oil extraction, canola bran-based product comprises around 37% protein, compared to approximately 44 - 48% in soybean meal, which is currently preferred to a large extent for purposes related to feed production and foods. The proteins contained in canola are rich in methionine and contain adequate amounts of lysine, both of which are amino acids with limited presence in most cereal proteins and oilseeds. However, the use of canola meal as a protein source has been somewhat limited in certain animal feeds, as it contains unwanted constituents such as fiber, glucosinolates and phenolics.
[00073] A nutritional aspect of rapeseed, from which canola was derived, is its high level (30-55 μmol / g) of glucosinolates, a sulfur-based compound. When canola leaves or seeds are crushed, isothiocyanate esters are produced by the action of myrosinase on glucosinolates. These products inhibit thyroid synthesis by thyroid and have other antimetabolic effects.Paul et al. (1986) Theor. Appl. Genet. 72: 706-9. Thus, for use in foods intended for human beings, the content of glucosinolates, for example, proteins derived from rapeseed bran, must be reduced or eliminated to ensure product safety.
[00074] An improved canola seed with, for example, favorable oil profile and low content of glucosinolates in the seed would significantly reduce the need for hydrogenation. For example, the higher oleic acid content and the lower a-linolenic acid content of such oil can transmit greater oxidative stability, thus reducing the requirement for hydrogenation and the production of trans fatty acids. The reduction of glucosinolates in the seed would significantly reduce the residual sulfur content in the oil. Sulfur poisons the nickel catalyst commonly used for hydrogenation. Koseoglu et al., Chapter 8, in Canola and Rapeseed: Production, Chemistry, Nutrition, and Processing Technology, Ed. Shahidi, Van Nostrand Reinhold, N.Y., 1990, p. 123-48. In addition, oil derived from a low-glucosinolate canola variety in seeds would cost less to be hydrogenated.
[00075] The phenolic compounds in canola bran impart a bitter taste, and are believed to be necessarily associated with a dark color in final protein products. Seed husks, present in large quantities in standard canola meal, cannot be digested by humans and other monogastric animals, and also result in a heterogeneous product with a bad appearance.
[00076] The bran component of a seed produced by a canola plant comprising a germplasm of the invention can present, for example, among others: high protein content; low fiber; highest phosphorus; and / or low SAEs. Fiber and insoluble polyphenols are anti-nutritional and compromise the digestion of proteins and amino acids. Thus, canola meal and animal feed comprising canola meal having at least one characteristic in seed components, selected from the group consisting of reduced fiber content, increased protein content, reduced polyphenol content and increased phosphorus content , may be desirable in some applications.
[00077] In specific examples, a canola bran (based on oil-free dry matter) may comprise a protein content of at least approximately 45% (for example, approximately 45%, approximately 46%, approximately 47%, approximately 48%, approximately 49%, approximately 50%, approximately 51%, approximately 52%, approximately 53%, approximately 54%, approximately 55%, approximately 56%, approximately 57% and approximately 58%).
[00078] Canola varieties comprising a germplasm of the invention can have good yields and produce seeds with much lower fiber content in acid detergent (ADF), compared to a reference canola strain. Any empirical values determined for a component of a seed produced by a plant variety comprising a germplasm of the invention can be used in some embodiments to define plants, seeds and oil of the plant variety. In some of such examples, specific numbers can be used as outcomes to define ranges above, below, or intermediate between any of the determined values. Exemplary ranges for characteristics of oil and other components of the seed were presented above. Strains and their seeds can also be defined by combinations of such ranges. For example, the oil characteristics discussed above, together with characteristic fiber levels, polyphenolic levels, glucosinolate levels, protein levels and phosphorus levels, for example, can be used to define strains and their seeds in particular.
[00079] Not all characteristics mentioned above (for example, characteristics of seed components) are necessary to define strains and seeds of some embodiments, but additional characteristics can be used to define such strains and seeds (for example, among others, energy metabolizable, digestible energy, biological energy and liquid energy). SAW. Plants comprising a germplasm that gives desirable traits to seed components regardless of seed color
[00080] Desirable traits of certain inbreeding and hybrid canola strains comprising a germplasm of the invention can be transferred to other types of Brassica (through conventional breeding and the like), for example, B. rapa and B. juncea, with the resulting plants producing seeds with desired characteristics (for example, characteristics of seed components) expressed regardless of the color of the seed. In this way, a variety of Brassica, to which one or more desirable traits of a given inbreeding or canola hybrid strain have been transferred, can produce seeds with desired characteristics pertaining to yellow seeds or dark seeds. Bran and seeds of such new or modified varieties of Brassica may exhibit reduced level of fiber in the seed, increased level of protein, increased level of phosphorus and / or decreased level of polyphenols.
[00081] Some embodiments include not only yellow and dark canola seeds comprising a germplasm as described and exemplified in this report, but also plants grown or otherwise produced from such seeds, and tissue cultures of cells capable of regenerating from canola plants in question. The exemplified strains and hybrids were obtained without genetic engineering and without mutagenesis, thus demonstrating the usefulness of germplasm to produce new and modified varieties of canola.
[00082] In some specific embodiments, specific inbreeding strains and exemplary canola hybrids are provided. As part of the present invention, at least 2500 seeds of each CL065620, CL044864, CL121460H, CL166102H and CL121466H were deposited and made available to the public, subject to patent rights, but otherwise without restriction (except those restrictions expressly permitted by the 37 CFR standards § 1,808 (b)), at the American Type Culture Collection (ATCC), Rockville, Md. 20852. The deposits were given the ATCC designation No. Deposit PTA-11697, PTA-11696, PTA-11698, PTA- and PTA-11699_, respectively, with the deposit date of February 22, 2011 for PTA11696 until PTA11699 and February 21, 2012 for PTA. Deposits will be maintained, as shown above, in the ATCC repository, which is a public repository, for a period of 30 years, or five years after the most recent application, or for the term of the patent, whichever is longer. long, and the deposit that becomes non-viable during the aforementioned period will be replaced.
[00083] Some embodiments include a seed of any of the varieties of Brassica napus described here. Some embodiments also include Brassica napus plants produced by such a seed, as well as tissue cultures of cells capable of regenerating from such plants. In addition, a Brassica napus plant regenerated from such tissue culture is included. In specific embodiments, such a plant may be able to express all the morphological and physiological properties of an exemplified variety. Brassica napus plants of the specific embodiments may have physiological and / or morphological characteristics that identify a plant grown from the deposited seed.
[00084] Additionally, processes are provided for making crosses using a germplasm of the invention (for example, as found in inbreeding strains and in exemplary canola hybrids provided here) in at least one parent of the seed progeny described above. For example, some embodiments include a B. napus F1 hybrid plant having one or both parents any of the plants exemplified in this specification. Additional embodiments include a B. napus seed produced by such an F1 hybrid. In specific embodiments, a method for producing a seed of the B. napus F1 hybrid comprises crossing an exemplified plant with an inbreeding plant other than canola, and harvesting the resulting hybrid seed. The canola plants of the invention (e.g., canola parent plant and canola plant produced by such a method to produce an F1 hybrid) can be a female plant or a male plant.
[00085] The characteristics of canola plants in some embodiments (for example, oil and protein levels and / or profiles) can be further modified and / or improved by crossing a plant of the invention with another strain that has a modified characteristic ( for example, high levels of oil and protein). Likewise, other characteristics can be improved by careful consideration of the parent plant. Canola strains comprising a germplasm of the invention can be beneficial in crossing their desirable characteristics into seed components for other rapeseed or canola strains in a manner independent of the color of the seed. The germplasms of the invention allow these traits to be transferred to other plants within of the same species by conventional plant breeding techniques, including cross-fertilization and progeny selection. In some embodiments, the desired traits can be transferred between species using conventional plant breeding techniques, involving pollen transfer and selection. See, for example, Brassica crops and wild allies biology and breeding, Eds. Tsunada et al., Japan Scientific Press, Tokyo (1980); Physiological Potentials for Yield Improvement of Annual Oil and Protein Crops, Eds. Diepenbrock and Becker, Blackwell Wissenschafts-Verlag Berlin, Vienna (1995); Canola and Rapeseed, Ed. Shahidi, Van Nostrand Reinhold, N.Y. (1990); and Breeding Oilseed Brassicas, Eds. Labana et al., Narosa Publishing House, New Delhi (1993).
[00086] In some embodiments, a method for transferring at least one desirable characteristic to seed components in a manner independent of the seed color comprises, after interspecific crossing, self-fertilizing members of the F1 generation to produce F2 seed. Then, it can be conducted backcrossing to obtain strains exhibiting the desired trait (s) in seed components. In addition, protoplast fusion and nuclear transplantation methods can be employed to transfer a trait from one species to another. See, for example, Ruesink, "Fusion of Higher Plant Protoplasts", Methods in Enzymology, Vol. LVIII, Eds. Jakoby and Pastan, Academic Press, Inc., New York, N.Y. (1979), and references cited therein; and Carlson et al. (1972) Proc. Natl. Acad Sci. USA 69: 2292.
[00087] Having obtained and produced exemplary strains of canola comprising a germplasm of the invention, a dark seed coat color can now be quickly transferred with desirable characteristics in seed components to another species of Brassica, by conventional techniques of plant genetic improvement as shown above. For example, a dark seed coat color can now be quickly transferred with desirable characteristics in seed components to commercially available varieties of B. rapa, for example, among others, Tobin, Horizon and Colt. It is understood that the dark color of the seed does not need to be transferred along with other characteristics of the seed.
[00088] By establishing one of the exemplary varieties as a starting point, specific benefits conferred by the variety can be manipulated in a number of ways by the skilled person without departing from the scope of the present invention. For example, the seed oil profile, present in an exemplary variety, can be transferred to another agronomically desirable variety of B. napus by conventional techniques of plant genetic improvement, involving cross-fertilization and progeny selection, for example, in which the germplasm of the exemplary variety is incorporated into the other agronomically desirable variety.
[00089] Specific embodiments may include exemplary varieties of B. napus, as well as essentially derived varieties that have been essentially derived from at least one of the exemplified varieties. In addition, embodiments of the invention may include a plant of at least one of the exemplified varieties, a plant of such an essentially derived variety and / or a rape plant regenerated from plants or tissue (including pollen, seeds and cells) from produced.
[00090] Plant materials can be selected that are capable of regeneration, for example, seeds, microspores, eggs, pollen, vegetative parts and microspores. In general, such plant cells can be selected from any variety of Brassica, including those with desired agronomic traits.
[00091] Regeneration techniques are well known in the specific field. Cells capable of regeneration (for example, seeds, microspores, eggs, pollen and vegetative parts) can be selected initially from a selected plant or variety. These cells can be optionally A plant can then be developed from the cells by means of regeneration, fertilization and / or cultivation techniques, according to the type of cells (and whether they have undergone mutations or not). of its parts, can lead to the creation of essentially derived varieties.
[00092] In some embodiments, desired characteristics in seed components, exhibited by plants comprising a germplasm of the invention, can be introduced into a plant that comprises a plurality of additional desirable traits regardless of the color of the seed, in order to produce a plant with both, the desired characteristics in seed components and the plurality of desirable traits. The process of introducing the desired characteristics into seed components in a plant that comprises one or more desirable traits regardless of the color of the seed is called "stacking" these traits. In some instances, stacking the desired characteristics into seed components with a plurality of desirable traits can result in further improvements in the characteristics of the seed components. In some examples, stacking the desired characteristics into seed components with a plurality of desirable traits it can result in a canola plant having the desired characteristics in components of the seed in addition to one or more (for example, all) of the plurality of desirable traits.
[00093] Examples of traits that may be desirable in combination with desired characteristics in seed components include, for example, but are not limited to: disease resistance genes in plants (See, for example, Jones et al. (1994) Science 266: 789 (tomato Cf-9 gene for resistance against Cladosporium fulvum); Martin et al. (1993) Science 262: 1432 (tomato Pto gene for resistance against Pseudomonas syringae); and Mindrinos et al. (1994) Cell 78: 1089 (RSP2 gene for resistance against Pseudomonas syringae)); gene that confers resistance to an herbicide; Bacillus thuringiensis protein, a derivative thereof or a polypeptide based on it (See, for example, Geiser et al. (1986) Gene 48: 109 (Bt δ-endotoxin gene; DNA molecules encoding δ- genes endotoxin can be purchased from the American Type Culture Collection (Manassas, VA), for example, under ATCC Access Nos. 40098; 67136; 31995; and 31998)); a lectin (See, for example, Van Damme et al. (1994) Plant Molec. Biol. 24:25 (lectin genes that binds to the mannose of Clivia miniata)); a protein that binds vitamins, for example, avidin (See International PCT Publication US93 / 06487 (use of avidin and avidin counterparts as larvicides against insect pests)); an enzyme inhibitor; a protease or proteinase inhibitor (See, for example, Abe et al. (1987) J. Biol. Chem.262: 16793 (rice cysteine proteinase inhibitor)); Huub et al. (1993) Plant Molec. Biol. 21: 985 (tobacco proteinase I inhibitor; and U.S. Patent No. 5,494,813); an amylase inhibitor (See Sumitani et al. (1993) Biosci.Biotech.Biochem. 57: 1243 (Streptomyces nitrosporeus alpha-amylase inhibitor)); an insect-specific hormone or pheromone, for example, ecdysteroid or juvenile hormone, a variant of it, a mimetic based on it or an antagonist or agonist of it (See, for example, Hammock et al. (1990) Nature 344: 458 (inactivator of youth hormone)); an insect-specific peptide or neuropeptide that alters the physiology of the affected pest (See, for example, Regan (1994) J. Biol. Chem. 269: 9 (insect diuretic hormone receptor); Pratt et al. (1989) Biochem Biophys.Res. Comm. 163: 1243 (Diploptera puntata allostatin); US Patent No. 5 266 317 (insect-specific paralytic neurotoxins)); a specific insect poison produced in the wild by a snake, wasp or other organism (See, for example, Pang et al. (1992) Gene 116: 165 (an insect-toxic scorpion peptide)); an enzyme responsible for the excessive accumulation of a monoterpene, a sesquiterpene, a steroid, hydroxamic acid, a phenylpropanoid derivative or other non-protein molecule with insecticidal activity; an enzyme involved in the modification, including post-translational modification, of a biologically active molecule, for example, a glycolytic enzyme; a proteolytic enzyme; a lipolytic enzyme; a nuclease; a cyclase; a transaminase; an esterase; a hydrolase; a phosphatase; a kinase; a phosphorylase; a pomerase; an elastase; a chitinase; or a glucanase, whether natural or synthetic (See International PCT Publication WO 93/02197 (a calase gene); DNA molecules containing chitinase coding sequences (for example, from ATCC, under Access Nos. 39637 and 67152)); Kramer et al. (1993) Insect Biochem. Molec.Biol. 23: 691 (tobacco hornworm chitinase); and Kawalleck et al. (1993) Plant Molec.Biol. 21: 673 (parsley ubi4-2 polyubiquitin gene); a molecule that stimulates signal transduction (See, for example, Botella et al. (1994) Plant Molec. Biol. 24: 757 (calmodulin); and Griess et al. (1994) Plant Physiol. 104: 1467 (calmodulin of corn)); a hydrophobic moment peptide (See, for example, PCT International Publication WO 95/16776 (Tachyplesin peptide derivatives that inhibit fungal plant pathogens); and PCT International Publication WO 95/18855 (synthetic antimicrobial peptides that confer disease resistance)) ; a membrane permease, a channel former or a channel blocker (See, for example, Jaynes et al. (1993) Plant Sci 89:43 (lytic analogue of cecropine-β to make transgenic plants resistant to Pseudomonas solanacearum); an invasive viral protein or protein-derived complex toxin (See, for example, Beachy et al. (1990) Ann. rev. Phytopathol. 28: 451 (protein-mediated resistance of the coating against the alfalfa mosaic virus, the mosaic virus cucumber virus, tobacco streak virus, potato X virus, potato Y virus, tobacco ETCH virus, tobacco rattle virus and tobacco mosaic virus)); an insect specific antibody or an immunotoxin from it derivative (See, for example, Tayloretal., Abstract No. 497, VII International Symposium on Molecular Plant-Microbe Interactions (Edinburgh, Scotland) (1994) (enzymatic inactivation via the production of single chain antibody fragments); a specific antibody against virus (See, for example example, Tavladoraki et al. (1993) Nature 366: 469 (recombinant antibody genes for protection against viral attack); a protein that causes developmental arrest, produced in nature by a pathogen or parasite (See, for example, Lamb et al. (1992) Bio / Technology 10: 1436 (α-1,4-D-polygalacturonases, endogenous fungi that facilitate colonization by fungi and that release plant nutrients when they solubilize homo-α-1,4-D-galacturonase from the plant wall; Toubart et al. (1992) Plant J. 2: 367 (endopolygalacturonase inhibiting protein); and a protein that causes development arrest produced in nature by a plant (See, for example, Logemann et al. (1992) Bio / Technology 10: 305 (barley ribosome inactivator that increases resistance against fungal disease)).
[00094] Additional examples of traits that may be desirable for combination with desired characteristics in seed components include, for example, among others: genes that confer resistance to an herbicide (Lee et al. (1988) EMBO J. 7: 1241 ( mutant ALS enzyme); Miki et al. (1990) Theor. Appl. Genet. 80: 449 (mutant AHAS enzyme); US Patents Nos. 4,940,835 and 6,248,876 (mutant 5-enolpyruvylshikimate-3-phosphate synthase genes ( EPSPs) that confer glyphosate resistance); US Patent No. 4,769,061 and ATCC accession number 39256 (aroA genes); glyphosate acetyl transferase genes (glyphosate resistance); other phosphonic compounds of the Streptomyces species, including Streptomyces hygroscopicus and Streptomyces viridichromogenes ) such as those described in European Patent Application No. 0 242 246 and DeGreef et al. (1989) Bio / Technology 7:61 (genes of the glufosinate phosphinothricin acetyl transferase (PAT) that confer resistance to glyphosate); pyridinoxy or propionic phenoxy acids and cyclohexones (glyphosate resistance); European Patent Application No. 0 333 033 and U.S. Patent No. 4,975,374 (glutamine synthetase genes that confer resistance to herbicides such as L-phosphinothricin); Marshall et al. (1992) Theor. Appl. Genet. 83: 435 (genes Acc1-S1, Acc1-S2 and Acc1-S3 that confer resistance against propionic phenoxy acids and cyclohexones, such as sethoxydim and haloxyfop); WO 2005012515 (GAT genes that confer resistance to glyphosate); WO 2005107437 (Genes that confer resistance to 2,4-D, fop and pyridyloxy auxin herbicides); and a herbicide that inhibits photosynthesis, such as triazine (psbA and gs + genes) or benzonitrile (nitrilase gene) (See, for example, Przibila et al. (1991) Plant Cell 3: 169 (mutant psbA genes); nucleotide sequences; for nitrilase genes are described in US Patent No. 4,810,648, and DNA molecules containing these genes are available under Access Nos 53435, 67441 and 67442; and Hayes et al. (1992) Biochem. J. 285: 173 ( glutathione S-transferase)).
[00095] Additional examples of traits that may be desirable for combination with desired characteristics in seed components include, for example, but are not limited to: genes that confer or contribute to a value-added trait, for example, modified fatty acid metabolism (See , for example, Knultzon et al. (1992) Proc. Natl. Acad. Sci. USA 89: 2624 (an antisense gene for stearyl-ACP desaturase to increase the plant's stearic acid content); reduced phytate content (See, for example, Van Hartingsveldt et al. (1993) Gene 127: 87 (a phytase gene from Aspergillus niger that intensifies phytate decomposition, adding more free phosphates to the transformed plant); and Raboy et al (1990) Maydica 35: 383 (cloning and reintroduction of DNA associated with an allele responsible for corn mutants with low levels of phytic acid)); and modified carbohydrate composition carried out, for example, by plants undergoing transformation with a gene encoding an enzyme that alters the starch branching pattern (See, for example, Shiroza et al. (1988) J. Bacteol. 170: 810 ( mutant Streptococcus fructosyltransferase gene); Steinmetz et al. (1985) Mol. Gen. Gen. 20: 220 (dalevanasacarase gene); Pen et al. (1992) Bio / Technology 10: 292 (α-amylase); Elliot et al. (1993) Plant Molec. Biol. 21: 515 (tomato invertase genes); Sogaard et al. (1993) J. Biol. Chem. 268: 22480 (barley α-amylase gene); and Fisher et al. (1993) Plant Physiol. 102: 1045 (enzyme II of the corn endosperm starch branch)).
[00096] The references discussed in this specification are provided exclusively for disclosure prior to the filing date of the present patent application. Nothing in this specification should be considered as an admission that inventors are not entitled to the right to pre-date such disclosure by virtue of a previous invention.
[00097] The following Examples are intended to illustrate certain characteristics and / or aspects in particular of the claimed invention. These Examples are not to be construed as limiting the disclosure of the features or aspects specially described. Examples Example 1: Average nutrient composition and value of improved canola meal (ECM) and conventional canola meal
[00098] Several analytical and functional studies were conducted between 2009 and 2012 to assess the nutrient composition and the value of ECM strains and hybrids of the present invention. The tests were conducted on unprocessed whole seed, partially processed bran and completely processed bran to reflect the possible effects of processing on the composition and nutritional value. The samples were analyzed at the Universities of Illinois, Missouri, Georgia and Manitoba. This composition information was used to estimate the energy value of improved canola meal compared to conventional canola meal using standard prediction equations. The biological evaluation of samples of energy and digestibility of amino acids for birds was carried out at the Universities of Illinois and Georgia. The biological evaluation of samples of energy and digestibility of amino acids for pigs was conducted at the University of Illinois. The summary of the differences in nutrient composition between the ECM and (streaked or average) strains and conventional canola meal is shown in Table 1. Details of the relevant procedures and studies are described in the following examples. Table 1. Nutrient composition on average of ECM and conventional canola bran
* The number in parentheses is the average ** Estimated from the composition of nutrients
[00099] ECM strains show several distinct improvements in nutrient composition that add value to animal feed. As shown in Table 1, the ECM protein value is approximately 7% higher in points than that of conventional canola bran. Furthermore, the balance of essential amino acids (as a percentage of protein) is maintained at the highest levels of protein. The digestibility of amino acids in ECM by poultry and swine is at least as good as in conventional canola meal, and the fundamental amino acid lysine appears to have slightly higher digestibility. ECM strains showed lower levels of fiber components that are found in cell walls and bark, specifically levels 2% lower in lignin / polyphenol points, 1% lower in cellulose points, 3% lower in points ADF (3% in points) and 5% lower in ADF points.
[000100] The highest levels of protein and the lowest levels of fiber components correlate with an approximately 10% increase in biological energy in ECM strains. These strains also showed higher levels of phosphorus, a nutrient whose cost is high for that is added to animal feed. The higher content of protein (amino acids), energy and phosphorus correlated with an increase of approximately 20-32% in value ($ / t) for canola bran in pig and poultry feed, as reflected in higher opportunity prices in feed for the growth of chickens and pigs. Table 1. Example 2: LT and HT processes at the POS for white scale bran (WF)
[000101] ECM seed and conventional canola seed were processed at the Pilot POS Factory in Saskatoon, CA according to the following procedures: Materials
[000102] Approximately 1.5 MT of the ECM test strain (CL44864) of canola seeds were received at the POS on August 2, 2011. Approximately 3.0 MT of canola seeds of the control base product were received at POS on August 3, 2011. The origins for the main materials were. Hexane / isohexane: Univar, Saskatoon, SK. Hyflo Super-cel filter aid: Manville Products Corp., Denver, CO. Nitrogen: Air Liquide, Saskatoon, SK. Filter cloth, monofilament: Porritts and Spensor, Pointe Claire, PQ. Filter paper, 55 pounds (24.95 kg), dark model 1138-55: Porritts and Spensor, Pointe Claire, PQ. Methods - Processing at the Pilot Plant
[000103] Among each variety of canola, all equipment at the "Primary" processing plant was vacuum cleaned or swept. Because it was flammable, the extractor was not turned off between tests. However, the extractor chain, Schnecken, and solvent recovery systems were kept in place to empty the equipment between canola varieties. The vacuum was not turned off so that all vapors were removed from the condenser, condensed and discharged into the working solvent tank. This prevented the water in the Schnecken from condensing and obstructing the mat. The canola samples were pressed / extracted in the following order: 1. HT of control 2. LT of control 3. LT of lineage in ECM test (CL44864) Scale formation
[000104] Scaling is performed to break up oily cells and prepare a fine scale with a large surface area for cooking / pre-pressing by passing the seed through a set of smooth rollers. The thickness and humidity of the scales are adjusted to minimize the amount of fines produced. High levels of fines result in a pressed cake with poor solvent percolation properties.
[000105] The canola seed was transformed into scales using the minimum space between the rolls. The scale thickness range for each batch was as follows: 1. HT of control 0.21 - 0.23 mm 2. LT of control 0.19 - 0.23 mm 3. LT of lineage in ECM test (CL44864 ) 0.21 - 0.23 mm
[000106] The feed rate was controlled by the pressing rate and was approximately 133-150 kg / h.
[000107] Scaler: Lauhoff Flakmaster scale forming mill, Model S-28, Serial No. 7801, 14 "in diameter x 28" in width, manufactured by Lauhoff Corporation. Cooking
[000108] Cooking is carried out to further break up the oil cells, make the scales flexible and to increase the efficiency of the expelled product by decreasing the viscosity of the oil contained. Cooking is also done to deactivate enzymes in the seed. The oven was preheated before the start of each run. The steam pressures were adjusted during operation to maintain the desired temperatures on the scales.
[000109] The temperatures in the trays for the HT control batch were as follows: Upper tray 60 + 5 ° C Lower tray 97 + 3 ° C
[000110] The temperatures in the trays for the control LT lot plus the LT of the ECM test strain (CL44864) were as follows: Upper tray 60 + 5 ° C Lower tray 93 + 2 ° C
[000111] Oven: Two ovens with Simon-Rosedown trays were used. Each compartment was 36 cm high (21 cm working height) and 91 cm in diameter, and equipped with a sweeping arm for shaking the material. Inside the coating, steam was used to generate dry heat; Direct steam can be added to the vessel's contents as well. The oven was mounted on the screw press for direct feeding. Pressing
[000112] Pressing removes approximately 2/3 of the oil and produces a press cake suitable for solvent extraction. The pressed cake requires crushing resistance to remain in the extractor and porosity for good mass transfer and drainage. The scaled boiled seed was pressed using a Simon-Rosedown pre-press.
[000113] The crude oil from the pressing was collected in a tank.
[000114] Pre-press: Simon-Rosedowns screw press, 9.5 cm in diameter and 94 cm in length. A screw operating speed of 17 rpm was employed. Solvent extraction and desolventization
[000115] Solvent extraction is the contact of the cake pressed with hexane to remove the oil from the cake dough. Two mechanisms were in operation: leaching of the oil into the solvent and washing the bagasse (hexane-solids) with progressively weaker micelles (hexane-oil). Extraction is normally a continuous countercurrent process.
[000116] The pressed canola control HT cake was extracted with isohexane-hexane using a total residence time of approximately 90 minutes (from entry to circuit to exit of the circuit), solvent to solid ratio of approximately 2.5 : 1 (w / w) and micelle temperature of 52 + 5 ° C. (The feed rate of the pressed canola cake was approximately 90 kg / h with a retention time of 90 minutes and the solvent flow rate was 220 + 10 kg / h).
[000117] A white-scale canola sample (WF) of base product was removed before desolventization and was air-dried.
[000118] The crude oil was desolventized in an ascending film evaporator and a steam scraper.
[000119] Bagasse desolventization (hexane-solids) was carried out in a screw roaster-desolventizer with two steam-coated Schnecken trays. Injection steam was added to the upper DT tray. The target temperatures in the trays were as follows: Schnecken output: <60 ° C Desolventized tray: 102 + 3 ° C Toasting tray: 102 + 3 ° C
[000120] The pressed canola cake from the control LT batch and the LT of the ECM test strain (CL44864) was extracted with isohexane / hexane using a total residence time of approximately 110 minutes (from entry to circuit to exit) circuit), solvent to solids ratio of approximately 2.5: 1 (w: w) and micelle temperature of 52 + 5 ° C. (The feed rate of the pressed canola cake was approximately 80 kg / h with a retention time of 110 minutes and the solvent flow rate was 220 + 10 kg / h).
[000121] A sample of the white scale ECM test strain (WF) was removed before desolventization, and air dried.
[000122] The crude oil was desolventized in an ascending film evaporator and steam scraper.
[000123] The bagasse desolvetization (hexane-solids) was carried out in a toaster-desolventizer with two trays and Schnecken thread with steam-filled coating. Injection steam was added to the upper DT tray. The target temperatures in the trays were as follows: Schnecken output: <60 ° C Desolventized tray: 93 + 2 ° C Toasting tray: 93 + 2 ° C
[000124] Extractor: Crown Iron Works Loop (Type II) extractor made entirely of stainless steel. The extraction bed was 20.3 cm wide x 12.7 cm deep by 680 cm long. In addition, the unit includes the desolventization of micelles, using an ascending film evaporator and steam scraper and the desolventization of bagasse (solids plus solvent) using a screw roaster-desolventizer with two steam-coated Schnecken trays. The recovered solvent was collected and recycled. Vacuum drying
[000125] Vacuum drying is performed to dry the defatted LT canola bran to <12% moisture.
[000126] The only batch of defatted canola bran that required drying was the control LT batch. Approximately 225 kg of defatted bran was loaded into the Littleford Reactor Dryer. The bran was then heated to 75 ± 2 ° C under a vacuum of 1015 "HG. The sampling of the bran for moisture analysis started at ~ 60 ° C, occurring every 15 minutes until the humidity was <12%. The bran was then unloaded into a bulk bag. The above procedure was repeated until all the bran was dry.
[000127] Vacuum Dryer: 600 liter Littleford FKM600-D (2Z) Reactor Model, Serial No. 5132, Littleford Day, Florence, KY. Hammer mill crushing
[000128] Hammer mill crushing was performed to produce a uniform particle size.
[000129] The dry bran was ground in a hammer mill using an 8/64 "screen. The hammer mill was vacuum dried between each batch of bran. The bran was packed in fiber drums and stored at room temperature until its Shipping.
[000130] The order in which the canola bran was ground in the hammer mill was as follows: 1. HT of control 2. LT of lineage in ECM test (CL44864). 3. Control LT. Hammer mill: Prater Industries, Model G5HFSI, serial number 5075, Chicago, IL Example 3: Process for white scales from Indianapolis
[000131] The canola seed of the present invention can be processed to produce white canola scales using the procedure originally described by Bailey in Industrial Oil & Fat Products (1996), 5th Ed., Chapter 2, Wiley Interscience Publication, New York, New York.
[000132] To extract the oil from the canola seed, the canola seed is first scaled by grinding in a coffee and heat machine and heat treated in an oven of 85 ° C ± 10 ° C for at least 20 minutes. After heat treatment, the crushed seed is pressed using a Taby Press Type-20A (Taby Skeppsta, Orebro, Sweden). The pressed cake resulting from the Taby Press is extracted with solvent to remove any remaining residual oil.
[000133] The pressed cake from the oilseed pressing stage is then extracted with solvent to remove and collect any remaining residual oil. The pressed cake is placed in stainless steel cartridges that are loaded in a custom Soxhlet ™ extractor by LaSalle Glassware (Guelph, ON). Hexane can be like the extraction solvent and the Soxhlet ™ extractor system is left operating for 9-10 hours. The pressed cake extracted with solvent is then removed from the cartridges and spread through a tray until the thickness of the bottom cake reaches an inch. The solvent-extracted cake is left in the air to desolventize for 24 hours before grinding. The desolventized white scale is then ground using, for example, a Robot Coupe R2N Ultra B (Jackson, MS). Example 4: Sample analysis
[000134] Chemical and nutrient analyzes of ECM and conventional canola samples can be variably performed using the methods described below. Canola bran samples were analyzed for dry matter (Method 930.15; AOAC International. 2007. Official Methods Of Analysis of AOAC Int. 18th ed. Rev. 2. W. Hortwitz and GW Latimer Jr., eds. Assoc. Off Anal. Chem. Int., Gaithersburg. MD. (Hereinafter "AOAC Int., 2007")), gray (Method 942.05; AOAC Int.) And GE by means of a pump calorimeter (Model 6300, Parr Instruments, Moline , IL). AOAC International (2007) Official Methods of Analysis of AOAC Int., 18th ed. Rev. 2., Hortwitz and Latimer, eds. Assoc. Off. Anal. Chem. Int., Gaithersburg. MD. The acid hydrolyzed ether extract (ESA) was determined by acid hydrolysis using 3N HCl (Sanderson) followed by the extraction of crude fat with petroleum ether (Method 954.02; AOAC Int.) In a Soxtec 2050 automatic analyzer (FOSS North America, Eden Prairie, MN). Sanderson (1986), "A new method of analysis of feeding stuffs for the determination of crude oils and fats", pages 77-81, in Recent Advances in Animal Nutrition, Haresign and Cole, eds. Butterworths, London, United Kingdom. Crude protein was measured by combustion (Method 990.03; AOAC Int.) In an Elemental Rapid N-cube protein / nitrogen apparatus (Elementar Americas Inc., Mt. Laurel, NJ); amino acids according to Method 982.30 E (A, B and C) [AOAC Int.]; crude fiber according to Method 978.10 (AOAC Int.); ADF and lignin according to Method 973.18 (AOAC Int.); and NDF according to Holst (Holst, D. O. 1973. Holst filtration apparatus for Van Soest detergent fiber analysis. J. AOAC. 56: 1352-1356). The sugar profile (glucose, fructose, sucrose, lactose, maltose) followed the procedure by Churms (Churms, 1982, Carbohydrates in Handbook of Chromatography.Zweig and Sherma, eds. CRC Press, Boca Raton, FL.), And Kakehi and Honda (1989.Silyl ethers of carbohydrates. Page 43-85 in Analysis of Carbohydrates by GLC and MS. CJ Biermann and GD McGinnis, eds. CRC Press, Boca Raton, FL). Oligosaccharides (raffinose, stachyose, verbascose) were analyzed according to Churms; minerals (Ca, P, Fe, Mg, Mn, Cu, Na, K, S, Mo, Zn, Se, Co, Cr) by means of Plasma Optical Emission Spectroscopy with Inductive Coupling (ICP-OES) [Method 985.01 (A, B, and C); AOAC Int.], And phytate according to Ellis et al (1977. Quantitative determination of phytate in the presence of high inorganic phosphate. Anal.Biochem. 77: 536-539.) Example 5: Baseline analytical results on ECM Indianapolis White Scale samples and conventional canola bran
[000135] Nutrient composition of ECM and toasted conventional canola bran, prepared at the pilot plant. Several strains of ECM (44864, 121460, 121466 and 65620) were processed in the Dow AgroSciences laboratory in Indianapolis using a process similar to commercial canola meal processing, but without the final desolventization / toasting step after solvent extraction of the oil from the canola. seed. This process and the resulting samples are referred to as the "Indianapolis White Scale". The processing parameters are described in Example 3. These white scale samples from ECM Indianapolis were tested at the Universities of Illinois and Missouri and the results are shown in Tables 2a, 2b and 2c. Control canola bran is a commercially prepared canola bran that has been roasted. Values are expressed on the basis of dry matter, but including oil.Table 2a. Nutrient composition of ECM Indianapolis White Scale canola meal samples compared to conventional canola meal


[000136] The analytical results on ECM Indianapolis white scale samples from the Universities of Illinois and Missouri were similar to the whole seed results from the University of Manitoba. Oligosaccharides were lower and simple sugars were higher in the 44864 (2010) sample than in the other ECM samples, including the 44864 that was grown in 2011. It appears that, for the 2010 sample, the growing plant has catabolized some sucrose and oligosaccharides for simple sugars near harvest time.
[000137] The highest protein, lowest ADF and lowest lignin and polyphenols, seen in ECM strains when compared to conventional canola bran, using the Indianapolis white scale protocol, are similar to the results seen with seed entire. The 33% NDF value for commercial bran is at the highest end of the typical range.Table 2b. Amino acid composition (% crude protein) of Indianapolis White Scale samples from ECM compared to conventional canola bran

* Considered as the main limiting essential amino acids in poultry and swine diets
[000138] As was the case with the whole seed, the results in Table 2b show that the amino acid composition (as a percentage of crude protein) is similar for both Indianapolis white scale samples from ECM and conventional canola meal. This indicates that, as the protein increased in the ECM strains, the important amino acids increased proportionally. Table 2c. Mineral composition of ECM Indianapolis white scale samples compared to conventional canola


[000139] The mineral content of ECM Indianapolis white scale samples is similar to that of conventional canola meal with two exceptions: phosphorus and sodium. As was the case with the results of the University of Manitoba as a whole sample, phosphorus in ECM strains appears to be systematically higher than in conventional canola meal. The extra sodium in conventional canola bran is undoubtedly due to the added sodium during conventional canola processing. Example 6: ECM processing at the Pilot POS Factory in Saskatoon, Canada to simulate commercial processing
[000140] In preparing for the evaluation of ECM in animal feed, it was determined that the samples of canola meal should be prepared under conditions of commercial processing, given the effect of processing on the nutritional value. Consequently, samples were processed at the Pilot POS Factory in Saskatoon. Two processing conditions were used: regular temperature (HT) in the desolventizer / toaster and a lower temperature (LT), to ensure that the processing conditions did not exert a dominant influence on the nutritional value. The processing conditions used in the POS are described in Example 2.Table 3. Composition of ECM nutrients and conventional canola bran, prepared under simulated commercial processing conditions at the Pilot POS Plant in Saskatoon, Canada (Analyzes conducted at the Universities of Illinois and Missouri)

[000141] The bran processed at the pilot plant showed a composition similar to that of the whole seed and that of white Indianapolis scale samples, and the differences between the ECM sample and the conventional canola are consistent with the analysis described in Table 2a and 2b: protein 7% higher in points, ADF 5% lower in points, lignin and polyphenols 4% lower in points and phosphorus 0.35% higher in points. Example 7: Complete analysis of unprocessed ECM and conventional canola seed
[000142] Composition of nutrients from unprocessed canola seed. Five whole seed samples from ECM strains from the 2010 and 2011 production were analyzed at the University of Manitoba. These were compared with the official Canadian Grain Commission (CGC) composite seed sample for 2011 production, which, by definition, is the average quality of today's commercial canola varieties being grown in western Canada. during that season. The results of the nutrient composition are expressed based on oil-free dry matter and are shown in Table 4a and 4b.Table 4a. Nutrient composition of ECM seed samples compared to conventional canola seed



[000143] The results show that the biggest difference between ECM and conventional canola is the highest protein content. ECM is 7.2% higher in points in protein content (51.1% versus 43.9%) based on oil-free dry matter and 6.1% higher in points (43.5% versus 37, 4%) based on 3% oil, 88% dry matter (typical base for specifying commercial canola meal). See Table 4a, 4b. The highest protein appears to be responsible for the 2% lower content of lignin and polyphenols in the ECM and 3% lower in the ADF residue (ADF - lignin / polyphenols - cellulose). The ADF residue is probably a combination of glycoprotein and hemicellulose components. Fiber components are found mainly in cell walls and bark. The phosphorus content of ECM is almost 30% higher than in conventional canola, and appears to be evenly distributed between phytate and phytate forms. Phosphorus is a valuable nutrient in animal feed and although the phosphorus linked to phytate is not well deferred by birds and pigs, the common use of the phytase enzyme in animal feed will make this phosphorus available to the animal. Table 4b provides a similar comparison of amino acid compositions in whole seed samples. Table 4b. Amino acid composition (% crude protein) from ECM seed samples compared to conventional canola seed

* Considered as the main limiting essential amino acids in poultry and swine diets
[000144] The results in Table 4b show that the amino acid composition (as a percentage of crude protein) is similar between commercial canola meal ECM. This indicates that, as the protein increased in the ECM strains, so did the important amino acids. Example 8: TME and digestibility of amino acids for pigs
[000145] The true metabolizable energy (TME) and true available amino acids (TAAA) assays were developed in 1976 and 1981, respectively, by Dr. Ian Sibbald of Agriculture Canada in Ottawa. Because of their direct, non-destructive nature, trials have become the methods of choice for determining the availability of energy and amino acids in poultry feed ingredients in many parts of the world, including the United States.
[000146] Mature chickens of the Single Comb White leghorn (SCWL) variety were used as the experimental animal of choice in separate studies conducted at the University of Illinois and the University of Georgia. It is well known that birds have a rapid gastric emptying time. The removal of feed for a period of 24 hours allows us to reliably assume that the digestive tract of the animals under test is empty, containing no previously consumed food residues.
[000147] Each bird (usually 8 animals per treatment) is fed precisely 35 grams of the test feed, placed directly in the crop by means of intubation. Ingredients with a high fiber content are normally fed in 25 instead of 35 grams , the spatial volume being similar. After intubation, access to water was allowed to the birds, but not to the additional feed, for a period of 40 hours, during which the excreted material was collected quantitatively. After collection, the excreted material is dried in an oven with forced air intake, usually at 80 ° C. This material is subsequently weighed and ground to determine the gross energy (GE) in TME assays, or to determine the amino acid content. The GE and the amino acid composition of the ingredients are determined in the same way. Once weighed, samples of excreted material are usually grouped and homogenized for a single determination of GE or amino acids. The mass of material excreted per bird varies much more than the GE or the amino acid composition of the specific excreted material. This observation, and the expense and waiting time for GE and amino acid determinations, justify the grouping.
[000148] Digestibility is calculated using methods well known in the art for energy or for each individual amino acid. Estimates of endogenous GE and amino acid loss are used to correct experimental artifacts. Example 9: Digestible energy (DE), metabolizable energy (ME) for pigsDE and ME.
[000149] Forty-eight growing piglets (initial body weight: 20 kg) will be distributed for a study with randomized complete block design at the University of Illinois. The pigs will be assigned to 1 of 6 diets, with 8 pigs repeated per diet. The pigs will be placed in metabolic cages that will be equipped with a nipple feeder and drinker, completely slatted floors, a screened floor and urine trays. This will allow the total but separate collection of urine and fecal material from each pig.
[000150] The amount of feed provided per pig daily will be calculated at 3 times the estimated demand for energy maintenance (ie 106 kcal ME per kg 0.75; NRC, 1998) for the smallest pig in each replica, and divided into 2 equal meals. NRC 1998, Nutrient requirements of swine, 10th revised edition.National Academy Press. Washington, DC. Water will always be available. The experiment will last 14 days. The initial 5 days will be considered a period of adaptation to the diet, with urine and fecal materials collected during the following 5 days according to standard procedures, using the marker-to-marker approach (Adeola, O. 2001, Digestion and balance techniques in pigs, pages 903-916 in Swine Nutrition. 2nd ed. AJ Lewis and LL Southern, ed. CRC Press, New York, NY. NRC. 1998. Nutrient Requirements of Swine. 10th ed. rev. Natl. Acad. Press, Washington A.D.). Urine samples will be collected in urine buckets over a 50 mL hydrochloric acid preservative. Faecal samples and 10% of the collected urine will be stored at -20 oC immediately after collection. At the conclusion of the experiment, the urine samples will be thawed and mixed within the same animal and the same diet, and a sample will be taken for chemical analysis.
[000151] Fecal samples will be dried in an oven with forced air intake and finely ground before analysis. Fecal, urine and feed samples will be analyzed in duplicate for DM and crude energy using pump calorimetry (Parr Instruments, Moline, IL). After chemical analysis, total digestibility values in the tract will be calculated for energy in each diet using previously described procedures (Widmer, MR, LM McGinnis, and HH Stein. 2007. Energy, phosphorus, and amino acid digestibility of high-protein distillers dried grains and corn germ fed to growing pigs. J. Anim. Sci. 85: 2994-3003). The amount of energy lost in faeces and urine, respectively, will be calculated, and the amounts of ED and ME in each of the 24 diets will be calculated (Widmer et al., 2007). The DE and ME in corn will be calculated by dividing the values of DE and ME for the corn diet by the rate of inclusion of corn in this diet. These values will then be used to calculate the contribution of maize to DE and ME in the diets with corn-canola meal and in the diet with corn-soy meal, and the DE and ME in each source of canola meal and in the sample of soybean meal will then be calculated by the difference as previously described (Widmer et al., 2007).
[000152] The data will be analyzed using the Proc Mixed Procedure at SAS (SAS Institute Inc., Cary, NC). The data obtained for each diet and for each ingredient will be compared using ANOVA analysis. The homogeneity of the variances will be confirmed using the UNIVARIATE procedure in Proc Mixed. Diet or ingredient will be the fixed effect and pig and replica will be the random effects. Least squares means will be calculated using an LSD test, and the means will be separated using the pdiff statement in Proc Mixed. The pig will be the experimental unit for all calculations, and an alpha level of 0.05 will be used to assess the significance between the means. Example 10: Digestibility of amino acids for pigs (AID and SID)
[000153] AID and SID for pigs were analyzed in a study at the University of Illinois. Twelve growing piglets (initial body weight: 34.0 ± 1.41 kg) had a T cannula inserted close to the distal ileum and were distributed to a 6 x 6 Latin square experimental design repeated with 6 diets and 6 periods in each square. The pigs were housed individually in pens of 1.2 x 1.5 m in an environmentally controlled room. The pens had solid sides, completely slatted floors, and a nipple-type eater and drinker were installed in each of the pens.
[000154] Six diets have been prepared. Five diets were based on corn starch, sugar and SBM or canola bran, and SBM or canola bran were the only sources of AA in these diets. The last diet was an N-free diet that was used to estimate baseline endogenous losses in the ileum of CP and AA. Vitamins and minerals were included in all diets to meet or exceed the current estimated demands for growing pigs (NRC, 1998). All diets also contained 0.4% chromium oxide as a non-digestible marker.
[000155] Pigs' weights were recorded at the beginning and end of each period, and the amount of feed provided each day was also recorded. All pigs were fed at a level of 2.5 times the daily energy demand for maintenance, and water was always available throughout the experiment. The initial 5 days of each period were considered a period of adaptation to the diet. Samples of material digested in the ileum were collected for 8 hours on Day 6 and 7 using standard procedures. A plastic bag was attached to the cannula tube using a cable tie, and the digested material flowing into the bag was collected. The bags were removed whenever they were filled with digested material, or at least every 30 minutes, and immediately frozen at -20 ° C to prevent bacterial degradation of the amino acids in the digested material. At the conclusion of an experimental period, the animals were deprived of food during the night and the following morning, and a new experimental diet was offered.
[000156] At the conclusion of the experiment, the ileal samples were thawed, grouped within the same animal and the same diet, and a subsample was collected for chemical analysis. One sample from each diet and each of the canola meal and SBM samples was also collected. The samples of digested material were lyophilized and finely ground before chemical analysis. All samples of diets and digested material were analyzed for DM, chromium, crude protein and AA, and for canola meal and SBM were analyzed for crude protein and AA.
[000157] Values for apparent ileal digestibility (AID) of AA in each diet were calculated using the equation [1]: AID, (%) = [1- (AAd / AAf) x (Crf / Crd)] x 100, [ 1] where AID is the apparent ileal digestibility value of an AA (%), AAd is the concentration of that AA in the DM of the ileal digested material, AAf is the AA concentration of that AA in the DM of the feed, Crf is the chromium concentration in the DM of the feed and Crd is the concentration of chromium in the DMA of the ileal digested material. The AID for CP will also be calculated using this equation.
[000158] The endogenous basal flow to the distal ileum of all AA was determined based on the flow obtained after feeding with the N-free diet using the equation [2]: IAAfinal = AAd x (Crf / Crd) [2] where Final IAA is the baseline endogenous loss of an AA (mg per kg DMI). The baseline endogenous CP loss will be determined using the same equation.
[000159] The correction of the AID with the IAAfinal of all AA allowed to calculate standardized values of ileal digestibility of AA using the equation [3]: SID, (%) = AID + [(IAAfinal / AAf) x 100] [3] where SID is the standardized value for ileal digestibility (%).
[000160] Data were analyzed using the SAS Proc GLM procedure (SAS inst. Inc., Cary, NC). The 5 diets containing canola meal or SBM were compared using ANOVA with canola meal source, pigs and period as the main effects. An LSD test was used to separate the averages. An alpha level of 0.05 was used to assess the significance between the means. The individual pig represented the experimental unit for all analyzes. Example 11: Degradability of AA in dairy products
[000161] ECM amino acid degradability will be assessed by in situ incubation of ECM bran samples in animals with cannulas inserted into the rumen, such as dairy cattle, to estimate the levels of soluble and degradable protein and to determine the rate of degradation (Kd ) of the degradable fraction.
[000162] Livestock will be fed a mixed diet in the form of total mixed feed (RMT) containing 28.1% corn silage, 13.0% alfalfa silage, 7.4% alfalfa hay, 20, 4% crushed corn, 14.8% wet brewery residue, 5.6% whole cottonseed, 3.7% soybeans and 7.0% supplements (protein, minerals, vitamins). Standard polyester bags in situ (R510, 5 cm x 10 cm, 50 micron pore size) containing approximately 6 g of dry matter (DM) of soybean meal (SBM), conventional canola meal (CM) or bran improved canola (ECM) will be incubated for 0, 2, 4, 8, 12, 16, 20, 24, 32, 40, 48 and 64 hours. Duplicate bags will be removed at all times and washed under running water until the outflow is clear. The bags will be dried at 55 ° C for 3 days and then the residue will be removed and weighed to determine the disappearance of dry matter (DM). The residues will be analyzed for N content using the Leco combustion method. Zero time samples will not be incubated in the rumen, but will be washed and processed in the same way as the samples incubated in the rumen.
[000163] Residue samples from time zero and residue remaining after 16 hours of incubation in the rumen will be analyzed for approximate constituents (DM, crude fat, crude fiber and ash) and amino acid composition (AA) (without tryptophan) . These parameters can be used to generate estimates of degradable protein in the rumen (RDP) and non-degradable protein in the rumen (RUP), as used in the guidelines of the National Research Council (2001) for nutrient demands of dairy cattle.
[000164] The percentage of N remaining in the original sample at each moment can be calculated, and the average of the values reproduced for each moment in the same cow is calculated. The values of the three cows will be adjusted to the non-linear equation described by 0rskov and McDonald (1979). In this approach, ruminal disappearance of CP supposedly follows first order kinetics as defined by the equation, disappearance of CP = A + B x (1 - e-Kd xt), where A is the fraction of soluble CP (% of CP) , B is the potentially degradable fraction of CP (% of CP), Kd is constant in the rate of degradation (h-1) and t is the ruminal incubation time (h). Fraction C (not degradable in the run) is calculated as fraction A minus fraction B. The equations will be adjusted using the PROC NLIN of the SAS (version 9.2; SAS Institute Inc., Cary, NC), using the Marquardt calculation method.
[000165] The equations for computing the values of RDP and RUP (in percentages of CP) are: RDP = A + B [Kd / (Kd + Kp)], and RUP = B [Kp / (Kd + Kp)] + C, where Kp is the rate of passage from the heading. Since it is not possible to calculate the passage rate directly from these data (where the substrates are contained in the rumen and prevented from passing to the lower tract), a fee for Kp needs to be assumed. In this study, a value of 0.07 will be used for Kp, which is similar to the value calculated according to equations in the NRC (2001) for a high-producing dairy cow consuming a typical lactation diet. Considering that this project aims to compare protein sources and rumen degradability estimates under the same conditions, the choice of a passage rate to determine RDP and RUP is arbitrary.
[000166] The final equation for each sample will be generated using samples incubated for 0, 2, 4, 8, 16, 24 and 48 h in accordance with the recommendations of the NRC (2001). Data for the additional incubation times in this study (ie 12, 20, 32, 40 and 64 h) can be used to verify the kinetics of the system and to ensure that the modified canola meal matches the assumptions in NRC specifications (2001). Example 12: TME and TAAA for birds, including a comparison of the actual TME with the predicted TME based on analytical results from the Universities of Illinois, Missouri and Manitoba
[000167] Assessments of true metabolizable energy (TME) for birds in ECM samples were conducted at the University of Illinois and the University of Georgia. The protocols are described in Example 8.Table 5. TME content of ECM and conventional canola bran in studies at the University of Illinois and the University of Georgia.
* means within a column and group with different letters are significantly different (p <0.05) ** (SE) *** (percentage difference)
[000168] In the case of ECM and canola bran samples prepared at the POS, the appropriate comparison is between the two LT brans, to eliminate processing effects. The results were comparable in both studies at the University of Illinois and the University of Georgia. The TME for poultry is significantly higher for ECM (LT) than for conventional canola meal (LT) - 9% higher in the University of Illinois study and 14% higher in the University of Georgia study. These results confirm the results of the prediction equation below. Table 4. White scale samples from ECM and conventional canola meal were also collected at the POS immediately after the solvent extractor stage and before the DT stage. The TME for poultry from these WF brans was compared in a separate study at the University of Georgia and, as with LT samples, the ECM WF had a significantly higher TME than the WF of conventional canola meal. Table 4.
[000169] Four varieties of ECM were independently processed in Dow AgroSciences laboratories in Indianapolis using the white scale processing methods described in Example 3. These samples were then subjected to TME analysis for birds at both universities. There was no significant difference between the tested ECM strains, with the exception that strain 121460 appeared to have lower TME than strains 121466 or 65620.
[000170] The observed values of TME, derived from these studies, were compatible with the predicted levels of metabolizable energy below. The National Research Council's Nutrient Requirements for Poultry Demands (NRC, 1984, Nutrient requirements of poultry. Ninth revised edition. National Academy Press. Washington, DC) have a prediction equation for ME in canola bran (double rapeseed meal) zero): ME kcal / kg = (32.76 x CP%) + (64.96 x EE%) + (13.24 x NFE%)
[000171] By calculation, 7% higher CP must be compensated by 7% lower NFE, so the net coefficient for CP must be: 32.76 - 13.24 = 19.52. This results in 137 kcal / kg more ME in ECM than in canola bran (7% x 19.52 = 137). The problem with this equation is that NFE is a poor estimate for the energy value of sugar and starch.
[000172] An alternative equation is the EEC prediction equation for ME for birds (adult). (Fisher, C and JM McNab. 1987. Techniques for determining the ME content of poultry feeds. In: Haresign and DJA Cole (Eds), Recent Advances in Animal Nutrition - 1987. Butterworths, London. P. 3-17): ME , kcal / kg = (81.97 x EE%) + (37.05 x CP%) + (39.87 x Starch%) + (31.08 x Sugars%)
[000173] The EEC equation is a "positive contribution" equation that provides the value for digestible nutrients in canola bran, such as protein, fat, starch and free sugars. Since the only analytical difference between ECM and canola meal is protein, the 37.05 coefficient can be used to calculate the extra energy:
[000174] 37.05 x 7% = 259 kcal / kg.The EEC equation is intended for complete plows, which generally have a higher digestibility than canola meal. Therefore, the coefficient 37.05 is too high.
[000175] An alternative approach is to use the principles for the energy value of protein first. A rough estimate is 4 calories of gross energy per gram of protein x 80% protein digestibility x 5% loss by nitrogen excretion = approximately 75% of gross calories per gram (3 calories of metabolizable energy per gram or 30 x protein This produces a metabolizable energy of: 30 x 7% = 210 kcal / kg of extra ME in ECM.
[000176] In short, ECM bran is expected to have between 140 - 260 kcal / kg more ME for poultry than conventional canola bran. The value of 140 kcal / kg is probably grossly underestimated, and that of 260 kcal / kg may tend to be optimistic. An increase of 200 - 220 kcal / kg of more ME for birds is more likely. If expressed based on "in the state" (Table 1), the commercial ECM would probably have an ME for birds of 2200 kcal / kg against 2000 kcal / kg for conventional canola bran.This increase is 10% in energy.
[000177] The true amino acid digestibility (TAAA) for birds was also measured at the University of Illinois and the University of Georgia. In this case, only bran samples prepared at the POS were analyzed because the much higher amino acid digestibility of the white scale against the tested canola meal was not considered commercially relevant. Table 6.Table 6. True availability of amino acids (TAAA) for birds of important amino acids in ECM and conventional canola meal prepared in POS in studies


[000178] There were no statistically significant differences in true availability of amino acids for birds between the different samples of canola meal.Table 6. Example 13: Digestibility of amino acids (AID and SID) for pigs and predicted NE
[000179] Studies of ileal digestibility of amino acids for pigs were conducted at the University of Illinois. Branes prepared at Fábrica Piloto POS were used for comparison.Table 7. Apparent ileal digestibility of amino acids (AID) for pigs and standardized ileal digestibility of amino acids (SID) for protein pigs and important amino acids in ECM and conventional canola meal prepared in POS in a study at the University of Illinois.

* means within a line and group with different letters are significantly different (p <0.05)
[000180] Some statistically significant differences in protein and amino acid digestibility between ECM and canola meal samples were noted. ECM showed higher crude protein AID than canola meal, but the difference in protein SID was not significant. For both AID and SID, lysine is more digestible in ECM than in conventional canola meal that has undergone the same heat treatment. Table 7.
[000181] For pigs, the generally accepted equations to predict DE, ME and NE in pigs are those of Noblet as described in EvaPig (2008, Version 1.0. INRA, AFZ, Ajinomoto Eurolisina) and in the NRC Swine Nutrient Demands ( NRC, 1998, Nutrient requirements of swine; Tenth revised edition; National Academy Press. Washington, DC): Equation 1-4. DE, kcal / kg = 4151 - (122 x Gray%) + (23 x CP%) + (38 x EE%) - (64 x CF%) Equation 1-14. NE, kcal / kg = 2790 + (41.22 x EE%) + (8.1 x Starch%) - (66.5 x Gray%) - (47.2 x ADF%)
[000182] Noblet's equations are a hybrid of positive and negative contribution factors: fat, protein and starch have positive coefficients, while gray, CF and ADF have negative coefficients. Protein is not used in the Liquid Energy (NE) equation, but the differences between ECM and canola meal can be captured by the differences in ADF. Since starch and ash are the same in ECM and canola meal, the main difference is ADF. A 5% lower ADF in points results in 47.2 x 5% = 236 kcal / kg of more NE in ECM. This predicted number is similar to the number of ME for poultry, thus, again an increase in net energy for pigs of 200 kcal / kg for ECM based on "in the state" (Table 1) is likely. This should result in a 12% increase in energy. Example 14: Additional ECM hybrids
[000183] A new canola hybrid CL166102H also exhibited the properties of improved bran (ECM). The performance and quality traits measured in the seed of this hybrid, harvested from tests in small plots carried out in 2011, include oil, bran protein, ADF and total glucosinolates (Tgluc). See Table 8.
[000184] The results in Table 8 clearly indicate that this new DAS ECM strain is superior to the commercial variety with respect to bran attributes.Table 8b: Agronomic performance of ECM strains (TestsC3B03)

权利要求:
Claims (11)
[0001]
1. Use of a canola seed produced by a dark seed canola plant, characterized by the fact that it is for the production of canola bran, in which the dark seed canola plant comprises the following seed characteristics: at least 45% proteins; acid detergent fiber (ADF) content not exceeding 18% in dry mass, free from oil; seed oil comprising at least 68% oleic acid (C18: 1) and less than 3% linolenic acid (C18: 3); and a combined lignin and polyphenolic content of 5.2% or less or a phosphorus content of at least 1.3% oil free, dry matter; yet the dark seed canola plant is selected from the group consisting of CL065620, CL044864, CL121460H, CL166102H and CL121466H.
[0002]
2. Use according to claim 1, characterized by the fact that the dark seed canola plant comprises the seed characteristic of a seed oil comprising less than 2% erucic acid.
[0003]
3. Use according to claim 1 or 2, characterized by the fact that the dark-seeded canola plant comprises both the characteristics of a combined lignin and the polyphenolic content of 5.2% or less and a phosphorus content of at least 1.3% oil free, dry mass.
[0004]
4. Method for the production of canola bran, characterized by the fact that it comprises processing the seeds of a dark-seeded canola plant that comprises the following seed characteristics: protein content of at least 45%, fiber content of acid detergent (ADF) not exceeding 18% oil free, dry mass, seed oil comprising at least 68% oleic acid (C18: 1) and less than 3% linolenic acid (C18: 3), and a content combined lignin and polyphenols of 5.2% or less or a phosphorus content of at least 1.3% of oil-free dry mass; wherein the dark seed canola plant is selected from the group consisting of CL065620, CL044864, CL121460H, CL166102H and CL121466H.
[0005]
5. Method according to claim 4, characterized in that the processing of the seed of the dark seed canola plant comprises extracting an oil component of the seed with a solvent to produce a bran component.
[0006]
6. Method according to claim 5, characterized in that the processing of the seed of the dark seed canola plant further comprises the drying of the bran component.
[0007]
7. Extracted and dried canola bran, produced from dark-seeded canola plant seeds, characterized by the fact that canola bran comprises: protein content of at least 45%; acid detergent fiber (ADF) content not exceeding 18% oil free, dry mass; a combined lignin and polyphenolic content of 5.2% or less oil-free, dry matter; and a phosphorus content of at least 1.3% oil free, dry mass even though the dark seed canola plant is selected from the group consisting of CL065620, CL044864, CL121460H, CL166102H and CL121466H.
[0008]
8. Canola bran, according to claim 7, characterized by the fact that it has a true average metabolizable energy of at least 2400 kcal / kg.
[0009]
9. Canola meal according to claim 7 or 8, characterized by the fact that it has at least one of the following properties: a favorable amino acid digestibility profile; an amino acid digestibility of at least approximately 90% of that exhibited by soybean meal (10% moisture content); and a digestible energy content or metabolizable energy content of at least approximately 80% of that exhibited by soybean meal.
[0010]
Canola bran according to any one of claims 7 to 9, characterized in that the canola bran is extracted with solvent.
[0011]
Canola meal according to any one of claims 7 to 10, characterized in that the canola flour is extracted with oil.

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法律状态:
2018-04-03| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-06-18| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|

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2019-11-19| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|

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2020-03-31| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

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2020-08-18| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2020-12-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/02/2012, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US201161445426P| true| 2011-02-22|2011-02-22|

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US61/445,426|2011-02-22|

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PCT/US2012/025981|WO2012115985A2|2011-02-22|2012-02-21|Canola germplasm exhibiting seed compositional attributes that deliver enhanced canola meal nutritional value having omega-9 traits|

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