Antimicrobial activity of Enterococcus faecium against Listeria spp.

Authors

  • A. M. McKay

    1. Food and Agricultural Microbiology Research Division, Department of Agriculture for Northern Ireland and Department of Food and Agricultural Microbiology, The Queen's University of Belfast, Belfast, UK
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Abstract

Listeria spp. have been isolated from vegetation, silage, the intestinal tracts of animals and foods such as milk and cheese. Lisleria spp. are taxonomically related to lactobacilli (Seeliger & Jones 1986) and some bacteriocins produced by lactic acid bacteria will inhibit growth of Listeria spp. Bacteriocins such as nisin from Lactococcus lactis and pediocin A from Pediococcus pentosoreus, are active against microorganisms from several Gram-positive genera, and will inhibit L. monocytogenes. Bacteriocins (e.g. helveticin J and lactacin F) which only inhibit strains closely related to the producing micro-organism are not effective against L. monocytogenes

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