L-TYROSINE-PRODUCING BACTERIUM AND METHOD FOR PRODUCING L-TYROSINE

PROBLEM TO BE SOLVED: To produce L-tyrosine in high efficiency by using an Escherichia bacterium. SOLUTION: L-tyrosine is produced by culturing, in a medium, an Escherichia bacterium having L-tyrosine-producing ability and carrying a mutant prephenate dehydrogenase whose feedback inhibition by tyros...

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Bibliographic Details
Main Authors SHIRONAGA YUJI, TAKAI ATSUKO, NISHI RANKO, ITO HISAO
Format Patent
LanguageEnglish
Published 16.11.2006
Subjects
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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Summary:PROBLEM TO BE SOLVED: To produce L-tyrosine in high efficiency by using an Escherichia bacterium. SOLUTION: L-tyrosine is produced by culturing, in a medium, an Escherichia bacterium having L-tyrosine-producing ability and carrying a mutant prephenate dehydrogenase whose feedback inhibition by tyrosine is released, producing and accumulating L-tyrosine in the medium or in the bacterial cells, and collecting L-tyrosine from the medium or the bacterial cells. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050162655