Sequence types 235, 111, and 132 predominate among multidrug-resistant pseudomonas aeruginosa clinical isolates in Croatia

Antimicrob Agents Chemother. 2014 Oct;58(10):6277-83. doi: 10.1128/AAC.03116-14. Epub 2014 Jul 28.

Abstract

A population analysis of 103 multidrug-resistant Pseudomonas aeruginosa isolates from Croatian hospitals was performed. Twelve sequence types (STs) were identified, with a predominance of international clones ST235 (serotype O11 [41%]), ST111 (serotype O12 [15%]), and ST132 (serotype O6 [11%]). Overexpression of the natural AmpC cephalosporinase was common (42%), but only a few ST235 or ST111 isolates produced VIM-1 or VIM-2 metallo-β-lactamases or PER-1 or GES-7 extended-spectrum β-lactamases.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Anti-Bacterial Agents / pharmacology*
  • Cephalosporinase / genetics
  • Croatia
  • Drug Resistance, Multiple, Bacterial / genetics
  • Pseudomonas aeruginosa / drug effects*
  • Pseudomonas aeruginosa / enzymology*
  • Pseudomonas aeruginosa / genetics
  • beta-Lactamases / genetics

Substances

  • Anti-Bacterial Agents
  • Cephalosporinase
  • beta-Lactamases