| 摘要 |
The invention relates to a process for the preparation of L amino acids by fermentation of coryneform bacteria, which comprises carrying out the following steps: a) fermentation of the desired L amino acid producing bacteria in which at least the tkt gene is amplified, b) concentration of the L amino acid in the medium or in the cells of the bacteria and c) isolation of the L amino acid produced, and vectors which carry the tkt gene. |
