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The alanine racemase gene is essential for growth of Lactobacillus plantarum

, : The alanine racemase gene is essential for growth of Lactobacillus plantarum. Journal of Bacteriology 179(11): 3804-3807

The Lactobacillus plantarum alr gene encoding alanine racemase was cloned by complementation of an Escherichia coli Alr- DadX- double mutant strain. Knockout of the alr gene abolished all measurable alanine racemase activity, and the mutant was shown to be strictly dependent on D-alanine for growth.


PMID: 9171436

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