Comparison of the accuracy of matrix-assisted laser desorption ionization-time of flight mass spectrometry with that of other commercial identification systems for identifying Staphylococcus saprophyticus in urine

J Clin Microbiol. 2013 May;51(5):1563-6. doi: 10.1128/JCM.00261-13. Epub 2013 Feb 6.

Abstract

Among 30 urinary isolates of Staphylococcus saprophyticus identified by sequencing methods, the rate of accurate identification was 100% for Bruker Biotyper matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS), 86.7% for the Phoenix PID and Vitek 2 GP systems, 93.3% for the MicroScan GP33 system, and 46.7% for the BBL CHROMagar Orientation system.

Publication types

  • Comparative Study

MeSH terms

  • Bacterial Typing Techniques*
  • Base Sequence
  • Humans
  • Sequence Analysis, DNA
  • Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization*
  • Staphylococcal Infections / diagnosis*
  • Staphylococcus saprophyticus / classification*
  • Staphylococcus saprophyticus / isolation & purification*
  • Urine / microbiology*