Novel Method For The Production Of Polyunsaturated Fatty Acids (Patent WO 2004/057001 A2)

H2 - Patents applied for

Napier, J. A., Sayanova, O. V., Lazarus, C. M., Qi, B., Heinz, E., Zank, T. and Zahringer, U. 2004. Novel Method For The Production Of Polyunsaturated Fatty Acids (Patent WO 2004/057001 A2) .

AuthorsNapier, J. A., Sayanova, O. V., Lazarus, C. M., Qi, B., Heinz, E., Zank, T. and Zahringer, U.
TypeH2 - Patents applied for
Patent applicantUniversity of Bristol
Napier Johnathan A
Sayanova Olga
Lazarus Colin M
Qi Baoxiu
Heinz Ernst
Zank Thorsten
Zahringer Ulrich
Patent IDWO 2004/057001 A2
002-104-413-982-401
Abstract

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.

Year of Publication2004
Open accessPublished as non-open access
Other fileWO_2004_057001_A2.pdf

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