Variants of the Klebsiella pneumoniae OKP chromosomal beta-lactamase are divided into two main groups, OKP-A and OKP-B

Antimicrob Agents Chemother. 2005 Dec;49(12):5149-52. doi: 10.1128/AAC.49.12.5149-5152.2005.

Abstract

Two bla(OKP) subgroups were found, diverging by 4.2%. Subgroups bla(OKP-A) (10 enzyme variants, pIs from 7.1 to 8.3) and bla(OKP-B) (11 variants, pI 7.1) showed similar antibiotic susceptibilities. Sequencing of rpoB, gyrA, and mdh demonstrated a concordant subdivision of Klebsiella pneumoniae phylogenetic group KpII into two subgroups, KpII-A and KpII-B.

MeSH terms

  • Anti-Bacterial Agents / pharmacology
  • Chromosomes, Bacterial / genetics*
  • DNA Gyrase / genetics
  • DNA, Bacterial / analysis
  • DNA, Bacterial / genetics
  • Genetic Variation
  • Klebsiella pneumoniae / classification*
  • Klebsiella pneumoniae / enzymology
  • Klebsiella pneumoniae / genetics
  • Malate Dehydrogenase / metabolism
  • Microbial Sensitivity Tests
  • Molecular Sequence Data
  • beta-Lactamases / genetics*

Substances

  • Anti-Bacterial Agents
  • DNA, Bacterial
  • Malate Dehydrogenase
  • beta-Lactamases
  • DNA Gyrase

Associated data

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