Strain having enhanced l-valine productivity and l-valine production method using same

The present invention relates to a novel L-valine-producing strain which is transformed so as to strengthen the expression of L-valine operon by having a base sequence, for coding a leader peptide in a regulatory region of L-valine operon, wholly deleted, or partially deleted or substituted. In addi...

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Bibliographic Details
Main Authors KIM JONG-HYUN, KIM HYE-WON, SONG BYEONGOL, LEE HAN-HYOUNG, JEON AE-JI, LEE JI-HYE
Format Patent
LanguageEnglish
Published 04.11.2015
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
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:The present invention relates to a novel L-valine-producing strain which is transformed so as to strengthen the expression of L-valine operon by having a base sequence, for coding a leader peptide in a regulatory region of L-valine operon, wholly deleted, or partially deleted or substituted. In addition, the present invention relates to a method for producing L-valine using the novel L-valine-producing strain. According to the novel valine-producing strain and the L-valine production method of the present invention using the strain, there is an advantageous effect of producing L-valine at high efficiency and high yield.
Bibliography:Application Number: CN201480013323