Characterization of Genes Encoding Virulence Determinants and Toxins in Staphylococcus aureus from Bovine Milk in Central Italy

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概要

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• The aim of this study was to evaluate the genotypic characteristics of Staphylococcus aureus isolates (n=170) from bovine milk collected from seven dairy farms in Italy. On the basis of cultural and biochemical properties and by amplification of the 23S rRNA specific to S. aureus, all isolates were identified as S. aureus. To genotypically characterize S. aureus isolates, genes encoding virulence determinants (nuc, clfA, spa-IgG-binding, spa-X-region, fnbA and fnbB, cap5 and cap8) and staphylococcal enterotoxins (sea, seb, sec, sed, see, seg, seh, sei, sej) were investigated using a PCR technique. The results showed that the isolates of S. aureus in each farm had the same genotypic characteristics, while the isolates genotipically differed between the different farms. The present study might help to understand the distribution of prevalent S. aureus strains in dairy farms.

• 社団法人　日本獣医学会の論文

著者

• Casagrande Proietti

  Department of Biopathological Science and Hygiene of Food and Animal Production, Faculty of Veterina

• Coppola Giacomo

  Pathology, Diagnostic and Veterinary Clinic Department, Sport Horse Research Centre, University of P

• Bietta Annalisa

  Department of Biopathological Science and Hygiene of Food and Animal Production, Faculty of Veterina

• LUISA MARENZONI

  Pathology, Diagnostic and Veterinary Clinic Department, Sport Horse Research Centre, University of P

• HYATT Doreene

  Department of Microbiology, Immunology, and Pathology, Colorado State University, U.S.A .(Hyatt),161

• COLETTI Mauro

  Pathology, Diagnostic and Veterinary Clinic Department, Sport Horse Research Centre, University of P

• PASSAMONTI Fabrizio

  Pathology, Diagnostic and Veterinary Clinic Department, Sport Horse Research Centre, University of P

• PROIETTI Patrizia

  Department of Biopathological Science and Hygiene of Food and Animal Production, Faculty of Veterina

• MARENZONI Maria

  Pathology, Diagnostic and Veterinary Clinic Department, Sport Horse Research Centre, University of P

関連論文

• Characterization of Genes Encoding Virulence Determinants and Toxins in Staphylococcus aureus from Bovine Milk in Central Italy
• Prevalence of Tick Borne Pathogens in Horses from Italy

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