Production ofl-Serine by a Methanol-utilizing Bacterium,Arthrobacter globiformisSK-200

Abstract
A methanol-utilizing bacterium, strain SK-200, which was isolated as an l-serine producer, was identified as Arthrobacter globiformis. The strain excreted a considerable amount of l-serine when glycine and glucose were added in a methanol medium. Cultural conditions for l-serine production were studied. Derivation of mutants increased the productivity of l-serine. A methionine auxotroph produced 5.2 mg per ml of l-serine.

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