Escherichia bacteria transformed with the yddG gene to...

Details Escherichia bacteria transformed with the yddG gene to... Escherichia bacteria transformed with the yddG gene to...

2002-11-25

2010-02-23

Robinson, Hope A (Department: 1652)

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

C435S252330, C435S320100, C435S006120, C435S069100

Reexamination Certificate

active

07666655

ABSTRACT:
The present invention relates to a method for producing L-amino acid, such as L-phenylalanine and L-tryptophan, is provided using bacterium belonging to the genusEscherichiawherein the L-amino acid productivity of said bacterium is enhanced by enhancing an activity of protein encoded by the yddG gene fromEscherichia coli, wherein said protein has an activity to make said bacterium resistant to L-phenylalanine, a phenylalanine analogue, or a tryptophan analogue. The present invention further relates to a method for producing lower alkyl ester of α-L-aspartyl-L-phenylalanine.

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