Process for the fermentative preparation of L-ornithine
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1. An isolated or purified and genetically modified L-ornithine excreting bacterium selected from the group consisting of Corynebacterium, Bacillus, Streptomyces, Arthrobacter and the Enterobacteriaceae that expresses a polynucleotide encoding a L-ornithine exporter polypeptide whose amino acid sequence is identical to the amino acid sequence of SEQ ID No. 2 or comprises SEQ ID No. 2 with a maximum of 25 deletions, insertions, substitutions or N-terminal and/or C-terminal additions overall.
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Abstract
A process for the fermentative preparation of L-ornithine using microorganisms characterized by an increased export of the amino acid.
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- 1. An isolated or purified and genetically modified L-ornithine excreting bacterium selected from the group consisting of Corynebacterium, Bacillus, Streptomyces, Arthrobacter and the Enterobacteriaceae that expresses a polynucleotide encoding a L-ornithine exporter polypeptide whose amino acid sequence is identical to the amino acid sequence of SEQ ID No. 2 or comprises SEQ ID No. 2 with a maximum of 25 deletions, insertions, substitutions or N-terminal and/or C-terminal additions overall.
Specification