METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS STRAINS IN FOOD AND ANIMAL

  • A. Traversa | lucia.zoppi@pagepress.org NRL Stafilococchi coagulasi positivi, compreso S. aureus, Torino, .
  • D.M Bianchi NRL Stafilococchi coagulasi positivi, compreso S. aureus, Torino, .
  • C. Parlato Ospedale San Giovanni Battista, Laboratorio di Microbiologia, Torino, .
  • L. Fossati Ospedale San Giovanni Battista, Laboratorio di Microbiologia, Torino, .
  • P. Cavallerio Ospedale San Giovanni Battista, Laboratorio di Microbiologia, Torino, .
  • L. Domenis Centro di Referenza per le Malattie degli Animali Selvatici, IZS Piemonte, Liguria, Valle d’Aosta, Sezione di Aosta, .
  • R Spedicato Centro di Referenza per le Malattie degli Animali Selvatici, IZS Piemonte, Liguria, Valle d’Aosta, Sezione di Aosta, .
  • A. Battisti Centro di Referenza Nazionale per l’Antibioticoresistenza, IZS Lazio e Toscana, Roma, .
  • L Decastelli NRL Stafilococchi coagulasi positivi, compreso S. aureus, Torino, .

Abstract

Some authors reported the possibility of a methicillin-resistant Staphylococcus aureus (MRSA) human infections from meat and dairy products and methicillin-resistant Staphylococcus intermedius isolation in animals. The aim of this study is to investigate the methicillin-resistance in S. aureus strains and in S. intermedius strains (food and wild animals). 236 S.aureus strains from food, 36 S.aureus strains and 1 S. intermedius strain from wild animals were analyzed. 2 (0.74%) MRSA strains from bovine milk were phenotipically resistant to cefoxitin, grew on chromogenic medium (MRSA Brilliance Oxoid) and were mecA positive. All MRSA strains had the spa-type t899. All mecA positive strains showed at least resistance to eight of the antibiotics tested but none to glicopeptides. Both MRSA strains were enterotoxigenic.

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Published
2010-03-13
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Original Articles
Keywords:
MRSA, MRSI, dairy products, wild animals, mecA gene, spa-Typing
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How to Cite
Traversa, A., Bianchi, D., Parlato, C., Fossati, L., Cavallerio, P., Domenis, L., Spedicato, R., Battisti, A., & Decastelli, L. (2010). METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS STRAINS IN FOOD AND ANIMAL. Italian Journal of Food Safety, 1(7), 65-69. https://doi.org/10.4081/ijfs.2010.1106