Catalase gene and use thereof

Details Catalase gene and use thereof Catalase gene and use thereof

C - Chemistry, Metallurgy

12

N

C12N 15/53 (2006.01) C07K 14/395 (2006.01) C12C 11/00 (2006.01) C12G 1/00 (2006.01) C12G 3/00 (2006.01) C12N 1/19 (2006.01) C12N 9/08 (2006.01) C12N 15/31 (2006.01) C12N 15/81 (2006.01) C12Q 1/02 (2006.01) C12Q 1/68 (2006.01) G01N 33/573 (2006.01) G01N 33/68 (2006.01)

Patent

CA 2607677

The present invention relates to a gene encoding a catalase and use thereof, in particular, a brewery yeast having high sulfite-producing capability, alcoholic beverages produced with said yeast, and a method for producing said beverages. More particularly, the present invention relates to a yeast, whose capability of producing sulfite, that contribute to stability of flavor in products, is enhanced by amplifying expression level of CTA1 gene encoding a catalase Cta1p, especially non-ScCTA1 gene or ScCTA1 gene specific to a lager brewing yeast, and to a method for producing alcoholic beverages with said yeast.

L'invention concerne un gène codant pour une catalase, et l'utilisation de ce gène, et en particulier une levure de brasserie présentant une capacité de production de sulfite importante, des boissons alcooliques produite avec ladite levure, et un procédé de production desdites boissons. L'invention concerne plus particulièrement une levure dont la capacité de production de sulfite, contribuant à la stabilité du goût des produits, a été accrue par amplification du niveau d'expression d'un gène CTA1 codant pour une catalase Cta1p, en particulier d'un gène CTA1 non Sc ou d'un gène CTA1 Sc spécifique d'une levure de fermentation basse, et un procédé de production de boissons alcooliques avec ladite levure.

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