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Species identification of staphylococci and micrococci isolated from ewes' milk cheeses

Published online by Cambridge University Press:  01 June 2009

María Camino García ,
Andrés Otero ,
María Luisa García ,
María Rosario García  and
Benito Moreno
María Camino García
Affiliation:
Department of Food Hygiene and Food Microbiology, Veterinary Faculty, University of León, 24007-León, Spain
Andrés Otero
Affiliation:
Department of Food Hygiene and Food Microbiology, Veterinary Faculty, University of León, 24007-León, Spain
María Luisa García
Affiliation:
Department of Food Hygiene and Food Microbiology, Veterinary Faculty, University of León, 24007-León, Spain
María Rosario García
Affiliation:
Department of Food Hygiene and Food Microbiology, Veterinary Faculty, University of León, 24007-León, Spain
Benito Moreno
Affiliation:
Department of Food Hygiene and Food Microbiology, Veterinary Faculty, University of León, 24007-León, Spain
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Summary

Forty-five strains of staphylococci and 6 strains of micrococci isolated from pasteurized ewes' milk cheeses (Manchego and Burgos varieties) were identified to species level. Three strains of staphylococci were identified as Staphylococcus aureus. Amongst the 42 coagulase-negative staphylococci, 8 were novobiocin-sensitive and 34 novobiocin-resistant. The novobiocin-sensitive species found were Staph. auricularis (5 strains), Staph. caseolyticus (2 strains) and Staph. epidermidis (1 strain). Novobiocin-resistant strains were identified as Staph. gallinarum (5 strains), Staph. xylosus (4), Staph. saprophyticus (9), Staph. cohnii (6), Staph. sciuri (1) and Staph. lentus (3). The other 6 isolates could not be identified. Only 3 strains of micrococci were identified (Micrococcus kristinae, M. varians and M. sedentarius). The possible origin of the isolates is discussed.

Information

Type
Original articles
Information
Journal of Dairy Research , Volume 55 , Issue 2 , May 1988 , pp. 269 - 276
Copyright
Copyright © Proprietors of Journal of Dairy Research 1988

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