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    • 4. 发明申请
    • NOVEL METHOD FOR THE PRODUCTION OF POLYUNSATURATED FATTY ACIDS
    • 用于生产聚氨酯脂肪酸的新方法
    • WO2004057001A2
    • 2004-07-08
    • PCT/EP2003/014054
    • 2003-12-11
    • UNIVERSITY OF BRISTOLNAPIER, Johnathan, A.SAYANOVA, OlgaLAZARUS, Colin, M.QI, BaoxiuHEINZ, ErnstZANK, ThorstenZÄHRINGER, Ulrich
    • NAPIER, Johnathan, A.SAYANOVA, OlgaLAZARUS, Colin, M.QI, BaoxiuHEINZ, ErnstZANK, ThorstenZÄHRINGER, Ulrich
    • C12N15/82
    • C12N9/0083C12N9/1029C12N15/8247C12P7/6427C12P7/6472
    • The present invention relates to an improved process for the specific production of poly-unsaturated omega-3 and omega-6 fatty acids and a process for the production of triglycerides having an increased content of unsaturated fatty acids, in particular omega-3 and omega-6 fatty acids having at least two double bonds and a 20 or 22 carbon atom chain length. The invention relates to the produc-tion of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, hav-ing an increased content of fatty acids, oils or lipids containing C20- or C22- fatty acids with a delta-5, 7, 8, 10 double bond, respectively due to the expression of a delta-8-desaturase and a delta-9- elon-gase from organisms such as plants preferably Algae like Isochrysis galbana or Euglena gracilis. In addition the invention relates to a process for the production of poly unsaturated fatty acids such as Eicosapentaenoic, Arachidonic, Docosapentaenoic or Docosahexaenoic acid through the co- expression of a delta -8-desaturase, a delta-9-elongase and a delta-5 desaturase in organisms such as microorganisms or plants.The invention additionally relates to the use of specific nucleic acid sequences encoding for the aforementioned proteins with delta-8-desaturase-, delta-9-elongase- or delta-5-desaturase-activity, nucleic acid constructs, vectors and organisms containing said nucleic acid sequences. The invention further relates to unsaturated fatty acids and triglycerides having an increased content of at least 1 % by weight of unsaturated fatty acids and use thereof.
    • 本发明涉及一种用于特异性生产多不饱和ω-3和ω-6脂肪酸的改进方法,以及用于生产具有增加的不饱和脂肪酸含量,特别是ω-3和ω- 具有至少两个双键和20或22个碳原子链长度的6种脂肪酸。 本发明涉及转基因生物体,优选转基因植物或转基因微生物的生产,其具有增加的脂肪酸含量,含有C20-或C22-脂肪酸的脂肪酸,含有δ-5,7 ,8,10双键,分别由于来自诸如植物优选藻类如等鞭毛藻或小球藻的生物体的δ-8-去饱和酶和δ-9-脱氢酶的表达。 此外,本发明涉及通过共同表达δ-8-去饱和酶,δ-9-延伸酶和δ-5的多不饱和脂肪酸如二十碳五烯酸,花生四烯酸,多糖五烯酸或二十二碳六烯酸的生产方法 除微生物或植物等生物体中的去饱和酶。本发明还涉及编码上述蛋白质的具有δ-8-去饱和酶,δ-9-延伸酶或δ-5-去饱和酶活性的特异性核酸序列的使用,核酸 酸构建体,载体和含有所述核酸序列的生物体。 本发明还涉及不饱和脂肪酸和甘油三酸酯,其具有增加的至少1重量%的不饱和脂肪酸的含量及其用途。
    • 8. 发明申请
    • DELTA 6-DESATURASES FROM PRIMULACEAE, EXPRESSING PLANTS AND PUFA-CONTAINING OILS
    • 来自PRIMULACEAE的DELTA 6-脱氧核糖核酸,表达植物和含PUFA的油
    • WO2003072784A1
    • 2003-09-04
    • PCT/EP2003/001161
    • 2003-02-06
    • ROTHAMSTED EXPERIMENTAL STATIONNAPIER, Johnathan, A.SAYANOVA, Olga
    • NAPIER, Johnathan, A.SAYANOVA, Olga
    • C12N15/53
    • C12N9/0083C12N15/8247C12P7/6427C12P7/6472
    • The present invention relates to an improved method for the specific production of unsaturated ω-3 fatty acids and a method for the production of triglycerides having an increased content of unsaturated fatty acids, in particular ω-3 fatty acids having more than three double bonds. The invention relates to the production of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, having an increased content of fatty acids, oils or lipids having Δ 6 double bonds due to the expression of a Δ 6-desaturase from Primulaceae. The invention additionally relates to expression cassettes containing a nucleic acid sequence, a vector and organisms containing at least one nucleic acid sequence or an expression cassette. The invention further relates to unsaturated fatty acids and triglycerides having an increased content of unsaturated fatty acids and use thereof.
    • 本发明涉及用于特异性生产不饱和ω-3脂肪酸的改进方法以及生产具有增加的不饱和脂肪酸含量,特别是具有多于三个双键的ω-3脂肪酸的甘油三酸酯的方法。 本发明涉及转基因生物,优选转基因植物或转基因微生物的生产,其具有增加的具有DELTA 6双键的脂肪酸,油或脂质含量,这是由于来自菜ace科的DELTA6-去饱和酶的表达。 本发明还涉及含有核酸序列,载体和含有至少一个核酸序列或表达盒的生物体的表达盒。 本发明还涉及具有增加的不饱和脂肪酸含量的不饱和脂肪酸和甘油三酸酯及其用途。