Early emergence of mcr-1-positive Enterobacteriaceae in gulls from Spain and Portugal

Environ Microbiol Rep. 2019 Oct;11(5):669-671. doi: 10.1111/1758-2229.12779. Epub 2019 Jul 10.

Abstract

We tested extended-spectrum β-lactamase producing bacteria from wild gulls (Larus spp.) sampled in 2009 for the presence of mcr-1. We report the detection of mcr-1 and describe genome characteristics of four Escherichia coli and one Klebsiella pneumoniae isolate from Spain and Portugal that also exhibited colistin resistance. Results represent the earliest evidence for colistin-resistant bacteria in European wildlife.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Animals
  • Anti-Bacterial Agents / pharmacology
  • Bacterial Proteins / genetics
  • Bird Diseases / microbiology
  • Charadriiformes / microbiology*
  • Colistin / pharmacology
  • Drug Resistance, Multiple, Bacterial*
  • Escherichia coli / classification
  • Escherichia coli / drug effects
  • Escherichia coli / genetics
  • Escherichia coli Infections / veterinary*
  • Escherichia coli Proteins / genetics*
  • Klebsiella Infections / veterinary*
  • Klebsiella pneumoniae / drug effects
  • Klebsiella pneumoniae / genetics
  • Microbial Sensitivity Tests
  • Portugal
  • Spain
  • beta-Lactamases

Substances

  • Anti-Bacterial Agents
  • Bacterial Proteins
  • Escherichia coli Proteins
  • MCR-1 protein, E coli
  • beta-Lactamases
  • Colistin