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J Med Microbiol. 2002 Feb;51(2):138-42.

Variations in 10 putative uropathogen virulence genes among urinary, faecal and peri-urethral Escherichia coli.

Author information

1
Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor 48109, USA.

Abstract

A total of 868 isolates was screened from seven different collections of organisms from previous studies - pyelonephritis in children aged 1-24 months; first, second and recurring urinary tract infection (UTI) in women aged 18-39 years; UTI in women aged 40-65 years and peri-urethral and faecal isolates from women aged 18-39 years - for the presence of 10 potential Escherichia coli UTI virulence genes. Previously reported differences between the frequency of these genes in UTI compared with faecal isolates were confirmed and extended. A single virulence signature (strains containing aer, kpsMT, ompT, fim and papGAD) occurred in 29% of the pyelonephritic isolates, but in no more than 11% of the other collections. Peri-urethral isolates were found to have frequencies of these 10 genes that differed from those found for both UTI and faecal isolates.

PMID:
11863265
DOI:
10.1099/0022-1317-51-2-138
[Indexed for MEDLINE]

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