Cermak Kenealy & Vaidya LLP
L-amino acid-producing bacterium and a method for producing L-amino acid
An L-amino acid-producing strain of Escherichia coli is bred by modifying an Escherichia coli K12 strain or a derivative thereof so as to become resistant to L-valine and have an ability to produce one or more L-amino acids selected from the group consisting of L-tryptophan, L-phenylalanine, L-lysine, L-tyrosine, L-glutamic acid, L-histidine, L-cysteine, and L-proline.
Ajinomoto Co., Inc.
C C C C C C
C12N C12P C12P C12P C12P C12P
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Yuji Hisao
Joe Ito