Fatty acid desaturases from fungi

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/53 (2006.01) A01H 5/00 (2006.01) A01H 5/10 (2006.01) A23K 1/14 (2006.01) C12N 9/02 (2006.01) C12N 15/31 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2486559

The invention relates generally to methods and compositions concerning fungal desaturase enzymes that modulate the number and location of double bonds in long chain poly-unsaturated fatty acids (LC-PUFA's). In Particular, the invention relates to methods and compositions for improving omega-3 fatty acid profiles in plant products and parts using desaturase enzymes and nucleic acids encoding for such enzymes. In particular embodiments, the desaturase enzymes are fungal -15 desaturases. Also provided are improved canola oil compositions having SDA and maintaining beneficial oleic acid content.

L'invention concerne des procédés et des compositions concernant des enzymes désaturase fongique qui module le nombre et l'emplacement de liens doubles dans des acides gras poly-insaturés à longue chaîne (LC-PUFA). L'invention concerne, en particulier des procédés et des compositions permettant d'améliorer les profils d'acides gras en oméga- 3 dans des produits végétaux et des parties utilisant les enzymes désaturase et des acides nucléiques codant lesdites enzymes. Dans des modes de réalisation de l'invention, les enzymes désaturase sont des désaturases .DELTA.15 fongiques. L'invention concerne également des compositions d'huile de colza contenant de l'acide stéaridonique (SDA) et maintenant un contenu d'acide oléique bénéficiaire.

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