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spa typing and enterotoxin gene profile of Staphylococcus aureus isolated from bovine raw milk in Korea
Journal of Veterinary Science ; : 125-131, 2010.
Artículo en Inglés | WPRIM | ID: wpr-221270
ABSTRACT
Staphylococcus aureus is a major etiological pathogen of bovine mastitis, which triggers significant economic losses in dairy herds worldwide. In this study, S. aureus strains isolated from the milk of cows suffering from mastitis in Korea were investigated by spa typing and staphylococcal enterotoxin (SE) gene profiling. Forty-four S. aureus strains were isolated from 26 farms in five provinces. All isolates grouped into five clusters and two singletons based on 14 spa types. Cluster 1 and 2 isolates comprised 38.6% and 36.4% of total isolates, respectively, which were distributed in more than four provinces. SE and SE-like toxin genes were detected in 34 (77.3%) isolates and the most frequently detected SE gene profile was seg, sei, selm, seln, and selo genes (16 isolates, 36.3%), which was comparable to one of the genomic islands, Type I nuSabeta. This is a first report of spa types and the prevalence of the recently described SE and SE-like toxin genes among S. aureus isolates from bovine raw milk in Korea. Two predominant spa groups were distributed widely and recently described SE and SE-like toxin genes were detected frequently.
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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Infecciones Estafilocócicas / Staphylococcus aureus / ADN Bacteriano / Análisis por Conglomerados / Reacción en Cadena de la Polimerasa / Prevalencia / Repeticiones de Microsatélite / Leche / Enterotoxinas / República de Corea Tipo de estudio: Estudio de prevalencia Límite: Animales País/Región como asunto: Asia Idioma: Inglés Revista: Journal of Veterinary Science Año: 2010 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Infecciones Estafilocócicas / Staphylococcus aureus / ADN Bacteriano / Análisis por Conglomerados / Reacción en Cadena de la Polimerasa / Prevalencia / Repeticiones de Microsatélite / Leche / Enterotoxinas / República de Corea Tipo de estudio: Estudio de prevalencia Límite: Animales País/Región como asunto: Asia Idioma: Inglés Revista: Journal of Veterinary Science Año: 2010 Tipo del documento: Artículo