Abstract
A hydrocarbon-utilizingSerratia marcescens var.kiliensis grew and accumulated methionine and glutamic acid in a synthetic medium with hydrocarbon as sole carbon source. η-Hexadecane and ammonium phosphate were found as the most suitable carbon and nitrogen sources, respectively. Optimum pH for growth and methionine production was 7.2, and that for glutamic acid accumulation was 7.4. Yeast extract significantly stimulated growth and amino acid production and could be substituted by cyanocobalamine. Benzylpenicillin, Tween 80, SDS or EDTA did not increase amino acid production. Under optimal cultural conditions in the laboratory the organism produced 1.68 g of glutamic acid and 0.78 g of methionine per litre.
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The first author is thankful to theUniversity of Burduan for awarding him a research fellowship.
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Ghosh, B.B., Banerjee, A.K. Production of methionine and glutamic acid from η-alkanes bySerratia marcescens var.kiliensis . Folia Microbiol 31, 106–112 (1986). https://doi.org/10.1007/BF02926827
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DOI: https://doi.org/10.1007/BF02926827