Quinolone-resistant uropathogenic Escherichia coli strains from phylogenetic group B2 have fewer virulence factors than their susceptible counterparts

Juan P. Horcajada, Sara Soto, Abby Gajewski, Alex Smithson, M. Teresa Jiménez De Anta, Josep Mensa, Jordi Vila, James R. Johnson

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

The prevalence of 31 virulence factors was analyzed among nalidixic acid-susceptible and -resistant Escherichia coli strains from phylogenetic group B2. Hemolysin, cytotoxic necrotizing factor 1, and S and F1C fimbriae genes were less prevalent among nalidixic acid-resistant E. coli strains. Quinolone resistance may be associated with a decrease in the presence of some virulence factors.

Original languageEnglish (US)
Pages (from-to)2962-2964
Number of pages3
JournalJournal of clinical microbiology
Volume43
Issue number6
DOIs
StatePublished - Jun 2005

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