Ammonia transporter gene and use thereof

Details Ammonia transporter gene and use thereof Ammonia transporter gene and use thereof

C - Chemistry, Metallurgy

07

K

C07K 14/435 (2006.01) C12N 15/00 (2006.01) C12N 15/09 (2006.01)

Patent

CA 2638838

The present invention relates to ammonia transporter genes and use thereof. The invention relates in particular to a brewer's yeast which shows enhanced ammonia assimilation, alcoholic beverages produced using such yeast, and a method of producing such alcoholic beverages. More specifically, the invention relates to the MEP3 gene which codes for the ammonia transporter Mep3 in brewer's yeast, particularly to a yeast which can control the ammonia assimilation ability by controlling the level of expression of the nonScMEP3 gene or ScMEP3 gene characteristic to beer yeast and to a method of producing alcoholic beverages using such yeast.

La présente invention concerne des gènes de transporteur d'ammoniac et l'utilisation desdits gènes. L'invention concerne en particulier une levure de bière à capacité d'assimilation d'ammoniac améliorée, des boissons alcoolisées produites à l'aide de cette levure et un procédé de production desdites boissons alcoolisées. Cette invention concerne plus spécifiquement le gène MEP3 codant pour le transporteur d'ammoniac Mep3 dans la levure de bière, en particulier une levure pouvant réguler la capacité d'assimilation d'ammoniac par régulation du niveau d'expression du gène MEP3 non Sc ou du gène MEP3 Sc caractéristique de la levure de bière ainsi qu'un procédé de production de boissons alcoolisées à l'aide de ladite levure.

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