| 摘要 |
PCT No. PCT/JP95/02481 Sec. 371 Date Jun. 9, 1997 Sec. 102(e) Date Jun. 9, 1997 PCT Filed Dec. 5, 1995 PCT Pub. No. WO96/17930 PCT Pub. Date Jun. 13, 1996L-lysine is produced efficiently by cultivating, in a liquid medium, a microorganism belonging to the genus Escherichia with decreased or disappeared lysine decarboxylase activity relevant to decomposition of L-lysine, for example, a bacterium belonging to the genus Escherichia with restrained expression of a novel gene coding for lysine decarboxylase and/or a known gene cadA to allow L-lysine to be produced and accumulated in a culture liquid, and collecting it.
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