DNA STRAND CODING FOR ALPHA-ACETOLACTATE DECARBOXYLASE AND YEAST TRANSFORMED WITH THE DNA STRAND

DNA strand having an ability in biotechnological production of alpha -acetolactate decarboxylase is disclosed. The DNA strand is characterized in that it has a nucleotide sequence coding for a polypeptide whose amino acid sequence is substantially from A to B of Fig. 1 and which has alpha -acetolact...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE, TAKASHI KIRIN BEER K.K. BEER, TANAKA, JUNICHI KIRIN BEER K.K. BEER, SONE, HIDETAKA KIRIN BEER K.K. BEER
Format:	Patent
Sprache:	eng
Schlagworte:	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 PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	DNA strand having an ability in biotechnological production of alpha -acetolactate decarboxylase is disclosed. The DNA strand is characterized in that it has a nucleotide sequence coding for a polypeptide whose amino acid sequence is substantially from A to B of Fig. 1 and which has alpha -acetolactate decarboxylase activity. Also disclosed is a yeast which belongs to Saccharomyces cerevisiae and which has been transformed by the DNA strand. The yeast is characterized by the fact that its alpha -acetolactate producing ability is reduced, and will thus produce an alcoholic liquor such as beer which contains no or little diacetyls which have come from their precursor, namely alpha -acetolactate.