Specific blaCTX-M-8/IncI1 plasmid transfer among genetically diverse Escherichia coli isolates between humans and chickens

Chihiro Norizuki, Jun Ichi Wachino, Masahiro Suzuki, Kumiko Kawamura, Noriyuki Nagano, Kouji Kimura, Yoshichika Arakawa

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We investigated the genetic backbones of 14 blaCTX-M-8-positive Escherichia coli isolates recovered from human stool samples and chicken meat. All isolates carried IncI1 plasmids with blaCTX-M-8 (blaCTX-M-8/IncI1), and most (9/14) belonged to a specific genetic lineage, namely, plasmid sequence type 113 (pST113). The genetic contexts of the nine blaCTX-M-8/IncI1 pST113 plasmids were similar, regardless of the source. These results suggest the probable local transfer of blaCTX-M-8/ IncI1 between humans and chickens with genetically diverse E. coli.

Original languageEnglish
Article numbere00663-17
JournalAntimicrobial agents and chemotherapy
Volume61
Issue number6
DOIs
Publication statusPublished - 06-2017

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Pharmacology (medical)
  • Infectious Diseases

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