Branched-chain amino acid aminotransferase gene and use thereof

The present invention relates to a branched-chain amino acid aminotransferase gene and a use thereof, particularly, to a brewery yeast for producing alcoholic drinks with enhanced flavor, to alcoholic drinks produced with said yeast and to a method for producing said drinks. More particularly, the p...

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Bibliographic Details
Main Authors KODAMA YUKIKO, NAKAO YOSHIHIRO, SHIMONAGA TOMOKO
Format Patent
LanguageChinese
English
Published 25.01.2012
Subjects
BEER
BIOCHEMISTRY
BREWING OF BEER
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
OTHER ALCOHOLIC BEVERAGES
PREPARATION THEREOF
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:The present invention relates to a branched-chain amino acid aminotransferase gene and a use thereof, particularly, to a brewery yeast for producing alcoholic drinks with enhanced flavor, to alcoholic drinks produced with said yeast and to a method for producing said drinks. More particularly, the present invention relates to a yeast whose capacity of producing amyl alcohol and/or isobutanol and/or isoamyl acetate that contribute to the product flavor is controlled by controlling the expression levels of BAT1 and BAT2 genes coding for brewery yeast branched-chain amino acid aminotransferases Bat1p and Bat2p, respectively, particularly nonScBAT1 or nonScBAT2 gene specific to lager brewing yeast, and to a method for producing alcoholic drinks using said yeast.
Bibliography:Application Number: CN200610153906