| 摘要 |
The invention relates to a process for the preparation of L-amino acids by the fermentation of recombinant microorganisms of the family Enterobacteriaceae, characterized in that a) the microorganisms producing the desired L-amino acid in which the yibD ORF, or nucleotide sequences coding for the gene product, or alleles, is (are) enhanced and, in particular, overexpressed are cultivated in a medium under conditions in which the desired L-amino acid is enriched in the medium or in the cells, and b) the desired L-amino acid is isolated, constituents of the fermentation broth, and/or all or part (>=0 to 100%) of the biomass, optionally remaining in the isolated product or being completely removed.
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