SYNTHESIS OF LONG-CHAIN POLYUNSATURATED FATTY ACIDS BY RECOMBINANT CELL
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Abstract
The present invention relates to methods of synthesizing long-chain polyunsaturated fatty acids, especially eicosapentaenoic acid, docosapentaenoic acid and docosahexaenoic acid, in recombinant cells such as yeast or plant cells. Also provided are recombinant cells or plants which produce long-chain polyunsaturated fatty acids. Furthermore, the present invention relates to a group of new enzymes which possess desatorase or elongase activity that can be used in methods of synthesizing long-chain polyunsaturated fatty acids.
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Citations
233 Claims
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1-221. -221. (canceled)
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222. A cell comprising eicosatetraenoic acid in an esterified form as part of triacylglycerols in the cell and an exogenous polypeptide having Δ
- 8 desaturase activity, wherein the exogenous polypeptide has greater activity in desaturating Δ
8 substrates than other substrates and has little or no Δ
6 desaturase activity when expressed in yeast cells. - View Dependent Claims (223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233)
- 8 desaturase activity, wherein the exogenous polypeptide has greater activity in desaturating Δ
Specification