Sulfate ion transporter gene and use thereof

Details Sulfate ion transporter gene and use thereof Sulfate ion transporter gene and use thereof

C - Chemistry, Metallurgy

12

N

C12N 15/31 (2006.01) C07K 14/395 (2006.01) C12C 11/00 (2006.01) C12G 1/00 (2006.01) C12G 1/022 (2006.01) C12G 3/00 (2006.01) C12N 1/18 (2006.01) C12N 1/19 (2006.01) C12N 15/81 (2006.01) C12Q 1/04 (2006.01) C12Q 1/68 (2006.01) C12P 11/00 (2006.01)

Patent

CA 2612304

The present invention relates to a brewery yeast having enhanced sulfite- producing capability, a process for producing alcoholic beverages with enhanced sulfite amount. More particularly, the present invention relates to a yeast whose sulfite-producing capability that contribute to the product flavor is enhanced by increasing the expression level of SUL2 gene encoding brewery yeast sulfate ion transporter Sul2p, particularly non-ScSUL2 gene specific to lager brewing yeast, and to a method for producing alcoholic beverages with said yeast.

L'invention porte: sur une levure de brasserie à capacité renforcée de production de sulfites; sur un procédé de production de boissons alcooliques à teneur accrue en sulfites; plus particulièrement sur une levure dont la capacité de production de sulfites contribuant à aromatiser le produit est renforcée du fait de l'accroissement du niveau d'expression du gène SUL2 codant pour le transporteur de l'ion sulfate Sul2p des levures de brasserie; en particulier sur le gène non-ScSUL2 spécifique des levures des bières de fermentation basse; et sur un procédé de production de boissons alcooliques à l'aide de ladite levure.

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