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Worldwide dissemination of the blaOXA-23 carbapenemase gene of Acinetobacter baumannii.

Authors
  • Pauline D Mugnier
  • Laurent Poirel
  • Thierry Naas
  • Patrice Nordmann
Identifiers
DOI: 10.3201/eid1601.090852
Source
CdV-UPMC
License
Unknown

Abstract

To assess dissemination of OXA-23-producing strains of Acinetobacter baumannii, we obtained 20 carbapenem-resistant, OXA-23-producing isolates from different regions. Their clonal relationship was assessed by pulsed-field gel electrophoresis and multilocus sequence typing. We identified 8 sequence types, including 4 novel types. All except 2 strains belonged to 2 main European clonal lineages. The blaOXA-23 gene was either located on the chromosome or on plasmids and associated with 4 genetic structures.

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