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Article

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

Antimicrobial agents and chemotherapy - 1 Dec 2005

Fevre Cindy, Passet Virginie, Weill François-Xavier, Grimont Patrick A D, Brisse Sylvain

Abstract excerpt

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.

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Identifiers

PMID: 16304190
DOI: 10.1128/AAC.49.12.5149-5152.2005
PMCID: PMC1315974

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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