Occurrence and genetic association of selected virulence factors in clinical Escherichia coli isolates
Occurrence of cnfl+ E. coli pathogenic strains among extraintestinal E. coli isolates was evaluated to explain an impact of cytotoxic necrotizing factor type 1 (CNF1) in human infections. A total of 120 E. coli isolates were characterized for presence of virulence factors cnfl- and pap- specific seq...
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Veröffentlicht in: | Folia microbiologica 2002-01, Vol.47 (1), p.73-77 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Occurrence of cnfl+ E. coli pathogenic strains among extraintestinal E. coli isolates was evaluated to explain an impact of cytotoxic necrotizing factor type 1 (CNF1) in human infections. A total of 120 E. coli isolates were characterized for presence of virulence factors cnfl- and pap- specific sequences by PCR, and the production of alfa-haemolysin using blood agar-plate test. Different association patterns among the detected virulence factors were obtained by comparison of various groups of clinical E. coli isolates. These differences probably reflect a potential impact of CNF1 in the colonization of vaginal environment. |
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ISSN: | 0015-5632 1874-9356 |
DOI: | 10.1007/BF02818569 |