Resistance or decreased susceptibility to glycopeptides, daptomycin, and linezolid in methicillin-resistant Staphylococcus aureus

Esteban Nannini, Barbara E. Murray, Cesar A. Arias

Research output: Contribution to journalReview articlepeer-review

103 Scopus citations

Abstract

Methicillin-resistant Staphylococcus aureus (MRSA) with decreased susceptibility to glycopeptides can be categorized as first, heteroresistant to vancomycin (hVISA); second, with intermediate susceptibility to vancomycin (VISA); and third, fully resistant to vancomycin (VRSA). Whereas the hVISA and VISA isolates are characterized by increased cell wall thickness, activated cell wall synthesis and reduced autolysis, VRSA harbor the vanA gene cluster resulting in a remodeled peptidoglycan. Nonsusceptibility to daptomycin has been associated with changes in the structure and function of the cell envelope and surface charge. Linezolid resistance in MRSA is often associated with mutations in the 23S rRNA, although resistance mediated by an acquired gene (cfr encoding a 23S rRNA methyltransferase) has now been documented in several continents and in outbreak settings.

Original languageEnglish (US)
Pages (from-to)516-521
Number of pages6
JournalCurrent Opinion in Pharmacology
Volume10
Issue number5
DOIs
StatePublished - Oct 2010

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery

Fingerprint

Dive into the research topics of 'Resistance or decreased susceptibility to glycopeptides, daptomycin, and linezolid in methicillin-resistant Staphylococcus aureus'. Together they form a unique fingerprint.

Cite this