L-tyrosine-producing bacterium and a method for producing L-tyrosine

The present invention describes the production of L-tyrosine by culturing in a medium an Escherichia bacterium which has L-tyrosine-producing ability and which carries a mutant prephenate dehydrogenase which is desensitized to feedback inhibition by L-tyrosine, producing and accumulating L-tyrosine...

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Bibliographic Details
Main Authors NISHI, RANKO, TAKAI, ATSUKO, ITO, HISAO, JOE, YUJI
Format Patent
LanguageEnglish
French
German
Published 07.08.2013
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:The present invention describes the production of L-tyrosine by culturing in a medium an Escherichia bacterium which has L-tyrosine-producing ability and which carries a mutant prephenate dehydrogenase which is desensitized to feedback inhibition by L-tyrosine, producing and accumulating L-tyrosine in the medium or in the bacterial cells, and collecting L-tyrosine from the medium or the bacterial cells.
Bibliography:Application Number: EP20050012932