Evaluation of a commercial immunochromatographic assay for rapid routine identification of PBP2a-positive Staphylococcus aureus and coagulase-negative staphylococci

Diagn Microbiol Infect Dis. 2016 Nov;86(3):262-264. doi: 10.1016/j.diagmicrobio.2016.08.012. Epub 2016 Aug 13.

Abstract

We evaluated the performance of an immunochromatographic assay (PBP2a Culture Colony Test - Alere™), detecting protein-binding penicillin 2a on staphylococci primary isolates in only 6minutes. The assay is highly sensitive for the direct detection of MRSA on various culture media whereas it requires cefoxitin induction for methicillin-resistant coagulase-negative staphylococci.

Keywords: Methicillin resistance; PBP2a detection; Rapid test; Staphylococci.

Publication types

  • Evaluation Study

MeSH terms

  • Anti-Bacterial Agents / metabolism
  • Cefoxitin / metabolism
  • Chromatography, Affinity / methods*
  • Methicillin Resistance*
  • Penicillin-Binding Proteins / analysis*
  • Sensitivity and Specificity
  • Staphylococcus / chemistry*
  • Staphylococcus / drug effects
  • Time Factors
  • Transcriptional Activation

Substances

  • Anti-Bacterial Agents
  • Penicillin-Binding Proteins
  • Cefoxitin