CTX-M-15 extended-spectrum β-lactamase in a shiga toxin-producing Escherichia coli isolate of serotype O111:H8

Appl Environ Microbiol. 2012 Feb;78(4):1308-9. doi: 10.1128/AEM.06997-11. Epub 2011 Dec 9.

Abstract

We report the discovery of a CTX-M-15-producing Escherichia coli (STEC) of serogroup O111:H8, a major serotype responsible for human enterohemorrhagic Escherichia coli (EHEC) infections. In line with the recent CTX-M-15/O104:H4 E. coli outbreak, these data may reflect an accelerating spread of resistance to expanded-spectrum cephalosporins within the E. coli population, including STEC isolates.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Anti-Bacterial Agents / pharmacology
  • Cephalosporins / pharmacology
  • Escherichia coli Infections / microbiology
  • Humans
  • Serotyping
  • Shiga-Toxigenic Escherichia coli / enzymology*
  • Shiga-Toxigenic Escherichia coli / genetics
  • Shiga-Toxigenic Escherichia coli / isolation & purification
  • beta-Lactam Resistance
  • beta-Lactamases / genetics
  • beta-Lactamases / metabolism*

Substances

  • Anti-Bacterial Agents
  • Cephalosporins
  • beta-lactamase CTX-M-15
  • beta-Lactamases