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Updated: Aug 12, 2026

Establishment and Characterization of UTI and CAUTI in a Mouse Model
Published on: June 23, 2015
Fimbriation, surface hydrophobicity and serum resistance in uropathogenic strains of Escherichia coli
H Puzová1, L Siegfried, M Kmetová
1Institute of Medical Microbiology, Faculty of Medicine, Safárik University, Kosice, Slovak Republic.
Abstract:
A total of 80 Escherichia coli strains were examined for expression of P-fimbriae, mannose-sensitive haemagglutination (MSHA) and mannose-resistant haemagglutination (MRHA) of human group A erythrocytes and guinea pig erythrocytes, cell surface hydrophobicity and resistance to serum bactericidal activity. Isolates were obtained from urine of children and adults, either with acute pyelonephritis (n = 15 and n 12) or lower urinary tract infection (UTI) (n = 30 and n = 23, respectively). Results obtained showed that, in E. coli strains isolated both from children and adults with lower UTI, significant differences were not found concerning the incidence of P-fimbriae, cell surface hydrophobicity and serum resistance. In pyelonephritogenic E. coli isolated from children and adults, the incidence of P-fimbriae and cell surface hydrophobicity was associated more frequently with the former (87% vs. 42% and 100% vs. 67%, P < 0.05), while serum resistance was associated with the latter (47% vs. 67%, P < 0.05).
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