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Methods and compositions for synthesis of long chain polyunsaturated fatty acids

  • US 6,136,574 A
  • Filed: 07/29/1999
  • Issued: 10/24/2000
  • Est. Priority Date: 04/11/1997
  • Status: Expired due to Term
First Claim
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1. A method for production of γ

  • -linolenic acid in a yeast culture, said method comprising;

    growing a yeast culture having a plurality of recombinant yeast cells, wherein said yeast cells or an ancestor of said yeast cells were transformed with a vector comprising Mortierella alpina DNA encoding a Δ

    6 desaturase polypeptide which converts linoleic acid to γ

    -linolenic acid, wherein said DNA is operably associated with an expression control sequence functional in said yeast cells, under conditions whereby said DNA is expressed, whereby γ

    -linolenic acid is produced from linoleic acid in said yeast culture.

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