Diversity and evolution of blaZ from Staphylococcus aureus and coagulase-negative staphylococci.

  title={Diversity and evolution of blaZ from Staphylococcus aureus and coagulase-negative staphylococci.},
  author={John Elmerdahl Olsen and Henrik Christensen and Frank M Aarestrup},
  journal={The Journal of antimicrobial chemotherapy},
  volume={57 3},
OBJECTIVES To elucidate the diversity and evolutionary history of plasmid- and chromosomally-located blaZ, to detect indications of frequent exchange of blaZ between human and bovine staphylococci and to estimate the frequency of transfer of blaZ between coagulase-negative staphylococci (CoNS) and Staphylococcus aureus of bovine origin. METHODS blaZ was detected in 143 strains of penicillin-resistant S. aureus and CoNS from five Danish cattle herds (n = 25/23), random CoNS isolates from… CONTINUE READING


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