METHOD FOR ENZYMATIC PREPARING L-AMINO ACIDS USING CORYNEBACTERIA

FIELD: biotechnology, L-amino acids. ^ SUBSTANCE: invention relates to a method for preparing such L-amino acids as L-threonine, L-isoleucine, L-valine, L-tryptophan and L-homoserine that involves fermentation with using corynebacteria wherein a nucleotide sequence encoding glutamic acid dehydrogena...

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Bibliographische Detailangaben
Hauptverfasser:	PFEFFERLE VAL'TER, EHGGELING LOTAR, ZAM GERMANN, DE-GRAF ALBERT, MARKS AKHIM, MEKKEL' BETTINA
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	FIELD: biotechnology, L-amino acids. ^ SUBSTANCE: invention relates to a method for preparing such L-amino acids as L-threonine, L-isoleucine, L-valine, L-tryptophan and L-homoserine that involves fermentation with using corynebacteria wherein a nucleotide sequence encoding glutamic acid dehydrogenase is subjected for superexpression. Invention provides elevating yield of indicated amino acids. ^ EFFECT: improved preparing method. ^ 9 cl, 5 tbl, 5 ex