Zoonotic Transmission of mcr-1 Colistin Resistance Gene from Small-Scale Poultry Farms, Vietnam

Emerg Infect Dis. 2017 Mar;23(3):529-532. doi: 10.3201/eid2303.161553.

Abstract

We investigated the consequences of colistin use in backyard chicken farms in Vietnam by examining the prevalence of mcr-1 in fecal samples from chickens and humans. Detection of mcr-1-carrying bacteria in chicken samples was associated with colistin use and detection in human samples with exposure to mcr-1-positive chickens.

Keywords: E. coli; Vietnam; antibiotic resistance; antimicrobial resistance; backyard farm; bacteria; chicken; colistin; colistin resistance; fecal colonization; food production; poultry farms; small-scale farm; transmission; zoonoses.

MeSH terms

  • Aging
  • Animals
  • Chickens
  • Colistin / pharmacology*
  • Drug Resistance, Bacterial / genetics*
  • Escherichia coli / drug effects*
  • Escherichia coli / genetics*
  • Escherichia coli Infections / epidemiology
  • Escherichia coli Infections / microbiology
  • Escherichia coli Infections / veterinary
  • Escherichia coli Proteins*
  • Feces / microbiology
  • Gene Expression Regulation, Bacterial
  • Humans
  • Microbial Sensitivity Tests
  • Phylogeny
  • Poultry Diseases / epidemiology
  • Poultry Diseases / microbiology
  • Risk Factors
  • Vietnam
  • Zoonoses*

Substances

  • Escherichia coli Proteins
  • MCR-1 protein, E coli
  • Colistin