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Article

Increased mutation frequencies in Escherichia coli isolates harboring extended-spectrum beta-lactamases.

Antimicrobial agents and chemotherapy - 1 Nov 2005

Baquero María-Rosario, Galán Juan Carlos, del Carmen Turrientes María, Cantón Rafael, Coque Teresa M, Martínez José Luis, Baquero Fernando

Abstract excerpt

Hypermutable (mutation frequency [f], > or = 4 x 10(-8)) Escherichia coli strains were more frequently found (43%) in a collection of 89 extended-spectrum beta-lactamase (ESBL)-producing isolates from different patients (77 pulsed-field gel electrophoresis clones, 12 ESBL types) than in non-ESBL E. coli (26%) strains (P = 0.03). Among urinary tract isolates, the frequency of hypermutation was 40% in ESBL versus...

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Identifiers

PMID: 16251322
DOI: 10.1128/AAC.49.11.4754-4756.2005
PMCID: PMC1280131

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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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