Abstract
The production of a novel broad-spectrum antimicrobial peptide enterococcin A 2000, active against Gram-positive and Gram-negative microorganisms includingListeria subsp. andEscherichia coli, byEnterococcus faecium strain A 2000 isolated from the surface of traditional Bulgarian yellow cheese “kash-kaval” is considerably influenced by complex nitrogen sources in the production medium. Medium components, especially peptone and yeast extract, and their concentration contributed to the increase in bacteriocin production during the stationary phase (16–46 h) of cultivation even in the absence of one of the components present in the basal cultivation MRS medium.
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Pantev, A., Kabadjova, P., Valcheva, R. et al. Effects of nitrogen sources on bacteriocin production byEnterococcus faecium A 2000. Folia Microbiol 47, 659–662 (2002). https://doi.org/10.1007/BF02818667
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DOI: https://doi.org/10.1007/BF02818667