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Article

Ciprofloxacin treatment failure in a murine model of pyelonephritis due to an AAC(6')-Ib-cr-producing Escherichia coli strain susceptible to ciprofloxacin in vitro.

Antimicrobial agents and chemotherapy - 1 Dec 2013

Guillard T, Cambau E, Chau F, Massias L, de Champs C, Fantin B

Abstract excerpt

AAC(6')-Ib-cr is a plasmid-mediated quinolone resistance mechanism described worldwide for Escherichia coli. Since it confers in vitro only a low level of resistance to ciprofloxacin, we evaluated its impact on the in vivo activity of ciprofloxacin. Isogenic strains were obtained by transferring plasmid p449, harboring aac(6')-Ib-cr, into the quinolone-susceptible strain E. coli CFT073-RR and its D87G gyrA...

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Identifiers

PMID: 24018262
DOI: 10.1128/AAC.01489-13
PMCID: PMC3837926

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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