Method for Producing L-Amino Acids Using Escherichia Bacteria

A method for producing an L-amino acid, such as L-phenylalanine and L-threonine, is provided using an Escherichia bacterium, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing the activity of the protein encoded by the yedA gene. A further method is provided for produci...

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Hauptverfasser:	LIVSHITS VITALIY ARKADYEVICH, MASHKO SERGEY VLADIMIROVICH, GUSYATINER MIKHAIL MARKOVICH, DOROSHENKO VERA GEORGIEVNA, VITUSHKINA MARIA VIACHESLAVOVNA, ZIYATDINOV MIKHAIL KHARISOVICH, AKHVERDIAN VALERY ZAVENOVICH, SAVRASOVA EKATERINA ALEKSEEVNA
Format:	Patent
Sprache:	eng
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 ORGANIC CHEMISTRY PEPTIDES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	A method for producing an L-amino acid, such as L-phenylalanine and L-threonine, is provided using an Escherichia bacterium, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing the activity of the protein encoded by the yedA gene. A further method is provided for producing a lower alkyl ester of alpha-L-aspartyl-L-phenylalanine by producing L-phenylalanine by cultivating an Escherichia coli bacterium in a medium, wherein said bacterium has the ability to produce L-phenylalanine, and synthesizing the lower alkyl ester of alpha-L-aspartyl-L-phenylalanine from aspartic acid, or a derivative thereof, and the produced L-phenylalanine.