Sulfate adenyltransferase gene and use thereof

Details Sulfate adenyltransferase gene and use thereof Sulfate adenyltransferase gene and use thereof

C - Chemistry, Metallurgy

12

N

C12N 9/12 (2006.01) C07K 14/395 (2006.01) C12C 11/00 (2006.01) C12G 1/00 (2006.01) C12N 15/54 (2006.01) C12N 15/81 (2006.01) C12Q 1/68 (2006.01) G01N 33/573 (2006.01)

Patent

CA 2618773

The present invention relates to a brewery yeast having controlled sulfite- producing capability, a process for producing alcoholic beverages with controlled sulfite amount. More particularly, the present invention relates to a yeast whose sulfite-producing capability that contribute to the product flavor is controlled by controlling the expression level of MET3 gene encoding brewery yeast sulfate adenyltransferase Met3p, particularly non-ScMET3 gene specific to lager brewing yeast, and to a method for producing alcoholic beverages with said yeast.

La présente invention concerne une levure de brasserie possédant la capacité de produire de manière régulée du sulfite, un processus de production de boissons alcoolisées avec une certaine quantité régulée de sulfite. Plus spécifiquement, cette invention a pour objet une levure, dont la capacité de production de sulfite contribuant à l'arôme du produit est commandée par régulation du niveau d'expression du gène MET3 codant l'adényltransférase de sulfate de levure de brasserie Met3p, notamment, un gène différent de ScMET3 spécifique d'une levure de brassage de bière de fermentation basse. Ladite invention a, aussi, trait à un procédé de production de boissons alcoolisées à l'aide de cette levure.

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