Short communication: biofilm production characterization of mecA and mecC methicillin-resistant Staphylococcus aureus isolated from bovine milk in Great Britain.

Antoni Prenafeta, M Sitjà, Mark A. Holmes, Gavin K Paterson

Research output: Contribution to journalArticlepeer-review

Abstract

Staphylococcus aureus is an important cause of contagious intramammary infection in dairy cattle, and the ability to produce biofilm is considered to be an important virulence property in the pathogenesis of mastitis. The aim of this study was to characterize the biofilm formation capacity of methicillin-resistant Staph. aureus (MRSA), encoding mecA or mecC, isolated from bulk tank milk in Great Britain. For this purpose, 20 MRSA isolates were grown on microtiter plates to determine the biofilm production. Moreover, the spa-typing and the presence of the intercellular adhesion genes icaA and icaD were analyzed by PCR. All MRSA isolates tested belonged to 9 spa-types and were PCR-positive for the ica genes; 10 of them (50%) produced biofilm in the microtiter plate assay. This is also the first demonstration of biofilm production by mecC MRSA.
Original languageEnglish
Pages (from-to)4838
JournalJournal of Dairy Science
Volume97
Issue number8
DOIs
Publication statusPublished - 2 Jun 2014

Keywords

  • Staphylococcus aureus
  • methicillin-resistant Staphylococcus aureus
  • biofilm

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