Summary
Production of the depsipeptide antibiotic enniatin was studied in submerged cultures of Fusarium oxysporum. The influence of various nutritional factors on growth and enniatin production was investigated. Sucrose and glucose were suitable carbon sources, NaNO3 was the best nitrogen source with respect to growth and production. Enniatin yields up to 2.5 g/l were achieved within 4 days of cultivation of a variant obtained after two subsequent mutagenic treatments. Addition of several amino acids to producing cultures enhanced product formation up to 5 g/l. External supply of the branched-chain amino acids, valine, leucine, and isoleucine triggered an increased formation of the corresponding enniatin homologues which contain the amino acid fed as a constituent.
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Madry, N., Zocher, R. & Kleinkauf, H. Enniatin production by Fusarium oxysporum in chemically defined media. European J. Appl. Microbiol. Biotechnol. 17, 75–79 (1983). https://doi.org/10.1007/BF00499854
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DOI: https://doi.org/10.1007/BF00499854