Characterization of pKP-M1144, a Novel ColE1-like plasmid encoding IMP-8, GES-5, and BEL-1 β-lactamases, from a Klebsiella pneumoniae sequence type 252 isolate

  • Costas C. Papagiannitsis*
  • , Monika Dolejska
  • , Radoslaw Izdebski
  • , Hana Dobiasova
  • , Vendula Studentova
  • , Francisco J. Esteves
  • , Lennie P G Derde
  • , Marc J M Bonten
  • , Jaroslav Hrabák
  • , Marek Gniadkowski
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

IMP-8 metallo-β-lactamase was identified in Klebsiella pneumoniae sequence type 252 (ST252), isolated in a Portuguese hospital in 2009. bla<inf>IMP-8</inf> was the first gene cassette of a novel class 3 integron, In1144, also carrying the bla<inf>GES-5</inf>, bla<inf>BEL-1</inf>, and aacA4 cassettes. In1144 was located on a ColE1-like plasmid, pKP-M1144 (12,029 bp), with a replication region of limited nucleotide similarity to those of other RNA-priming plasmids, such as pJHCMW1. In1144 and pKP-M1144 represent an interesting case of evolution of resistance determinants in Gram-negative bacteria.

Original languageEnglish
Pages (from-to)5065-5068
Number of pages4
JournalAntimicrobial Agents and Chemotherapy
Volume59
Issue number8
DOIs
Publication statusPublished - 1 Aug 2015

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