Further characterization of borderline methicillin-resistant Staphylococcus aureus and analysis of penicillin-binding proteins

Antimicrob Agents Chemother. 1990 May;34(5):911-3. doi: 10.1128/AAC.34.5.911.

Abstract

Eighty-nine Staphylococcus aureus strains were grouped according to their susceptibility or resistance to methicillin and oxacillin. The role of beta-lactamase in borderline methicillin resistance was confirmed by tests with beta-lactamase inhibitors, particularly when salt-supplemented medium was used. A penicillin-binding protein assay indicated that borderline methicillin-resistant S. aureus strains do not produce PBP 2a.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacterial Proteins*
  • Carrier Proteins / metabolism*
  • Hexosyltransferases*
  • Methicillin / pharmacology*
  • Microbial Sensitivity Tests
  • Muramoylpentapeptide Carboxypeptidase / metabolism*
  • Oxacillin / pharmacology
  • Penicillin G / pharmacology
  • Penicillin Resistance*
  • Penicillin-Binding Proteins
  • Peptidyl Transferases*
  • Staphylococcus aureus / drug effects*
  • beta-Lactamase Inhibitors

Substances

  • Bacterial Proteins
  • Carrier Proteins
  • Penicillin-Binding Proteins
  • beta-Lactamase Inhibitors
  • Peptidyl Transferases
  • Hexosyltransferases
  • Muramoylpentapeptide Carboxypeptidase
  • Penicillin G
  • Methicillin
  • Oxacillin