PROTEIN THIOCARBOXYLATE-DEPENDENT L-METHIONINE PRODUCTION BY FERMENTATION

PROTEIN THIOCARBOXYLATE-DEPENDENT L-METHIONINE PRODUCTION BY FERMENTATION

The present invention relates to a recombinant microorganism useful for the production of L-methionine and process for the preparation of L-methionine. The microorganism of the invention is modified in a way that the L-methionine production is improved by using a thiocarboxylated protein as sulfur d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VASSEUR, Perrine, SOUCAILLE, Philippe
Format: Patent
Sprache:eng ; fre ; ger
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
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:The present invention relates to a recombinant microorganism useful for the production of L-methionine and process for the preparation of L-methionine. The microorganism of the invention is modified in a way that the L-methionine production is improved by using a thiocarboxylated protein as sulfur donor and by expressing an enzyme having homoserine O-acetyltransferase activity without feedback inhibition by methionine and/or S-adenosylmethionine and an enzyme having O-acetylhomoserine sulfhydrylase activity.