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Complete sequencing of plasmids containing blaOXA-163 and blaOXA-48 in Escherichia coli sequence type 131

  • Nicole Stoesser
  • , Anna E. Sheppard
  • , Gisele Peirano
  • , Robert Sebra
  • , Tarah Lynch
  • , Luke Anson
  • , Andrew Kasarskis
  • , Mary R. Motyl
  • , Derrick W. Crook
  • , Johann D. Pitout

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

OXA-48-like enzymes have emerged as important extended-spectrum β-lactamases/carbapenemases in Escherichia coli sequence type 131 (ST131). We report the structures of the first fully sequenced blaOXA-163 plasmid and of two other blaOXA-48 plasmids in this lineage. blaOXA-163 was located on a 71-kb IncN plasmid with other resistance genes. blaOXA-48 was present on IncL/M plasmids, genetically similar to other blaOXA-48 plasmid sequences, and consistent with interspecies/interlineage spread. The presence of blaOXA-48-like genes on epidemic plasmids in ST131 is of concern.

Original languageEnglish
Pages (from-to)6948-6951
Number of pages4
JournalAntimicrobial Agents and Chemotherapy
Volume60
Issue number11
DOIs
StatePublished - 1 Nov 2016

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