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A Kluyveromyces lactis mycocin active at neutral pH

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Abstract

A strain of Kluyveromyces lactis was found to secrete a fungicidal mycocin active in the pH range from 6 to 9 and exhibiting the highest activity at pH of approximately 7. A few yeast species of the families Saccharomycetaceae and Wickerhamomycetaceae were sensitive to the mycocin. Some genera and species were heterogeneous in this respect. UV treatment of the mycocinogenic strain resulted in loss of its antifungal activity. Although prokaryotes were not sensitive to the mycocin, the strain under study inhibited growth of some bacteria.

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Authors and Affiliations

  1. All-Russian Collection of Microorganisms, Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Russia

    W. I. Golubev

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  1. W. I. Golubev
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Correspondence to W. I. Golubev.

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Original Russian Text © W.I. Golubev, 2013, published in Mikrobiologiya, 2013, Vol. 82, No. 3, pp. 295–299.

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Golubev, W.I. A Kluyveromyces lactis mycocin active at neutral pH. Microbiology 82, 290–294 (2013). https://doi.org/10.1134/S0026261713030065

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  • DOI: https://doi.org/10.1134/S0026261713030065

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