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Int J Food Microbiol. 1996 Jul;30(3):271-80.

Enterotoxin production by coagulase-negative staphylococci isolated from goats' milk and cheese.

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1
Unité de Microbiologie, Epidémiologie moléculaire, Ecole Nationale Vétérinaire de Lyon, France.

Abstract

An antigen related to the Enterotoxin E from Staphylococcus aureus was produced by ten of 187 coagulase-negative staphylococci (CNS) isolated from goats' milk, whey and cheese in quantities ranging from 10 to 90 ng/ml supernatant. The enterotoxin-producing strains were identified at the species level as S. simulans, S. xylosus, S. equorum, S. lentus and S. capitis. Detection of the enterotoxins was done by the VIDAS SET test (bioMérieux) and by an indirect double-sandwich ELISA technique using anti-enterotoxin monoclonal antibodies. The results obtained were further confirmed by Southern blotting, using two radioactive oligonucleotide probes that hybridized specifically with the gene of S. aureus coding for the enterotoxin E.

PMID:
8854180
[Indexed for MEDLINE]
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