International Comparison of Clinical, Bovine, and Environmental Escherichia coli O157 Isolates on the Basis of Shiga Toxin-Encoding Bacteriophage Insertion Site Genotypes

Escherichia coli O157:H7 genotypes in the bovine reservoir may differ in virulence. The proportion of clinical genotypes among cattle isolates was weakly (P = 0.054) related to the international incidence of E. coli O157:H7-associated hemolytic-uremic syndrome, varied among clinical isolates interna...

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Veröffentlicht in:	Applied and Environmental Microbiology 2008-12, Vol.74 (23), p.7447-7450
Hauptverfasser:	Whitworth, Joshua H, Fegan, Narelle, Keller, Jasmin, Gobius, Kari S, Bono, James L, Call, Douglas R, Hancock, Dale D, Besser, Thomas E
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Bacteriology bacteriophages Bacteriophages - genetics Cattle Cattle Diseases - microbiology Clinical isolates disease reservoirs E coli enterohemorrhagic Escherichia coli Environmental Microbiology Escherichia coli Escherichia coli Infections - microbiology Escherichia coli Infections - veterinary Escherichia coli O157 - genetics Escherichia coli O157 - isolation & purification Escherichia coli O157 - virology Escherichia coli O157:H7 food pathogens genetic variation Genotype Genotype & phenotype hemolytic uremic syndrome Hemolytic-Uremic Syndrome - microbiology Humans insertional mutagenesis Molecular Epidemiology Polymorphism, Genetic Prophages - genetics Public Health Microbiology Shiga toxin Shiga Toxins - biosynthesis Toxicity Toxins
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Zusammenfassung:	Escherichia coli O157:H7 genotypes in the bovine reservoir may differ in virulence. The proportion of clinical genotypes among cattle isolates was weakly (P = 0.054) related to the international incidence of E. coli O157:H7-associated hemolytic-uremic syndrome, varied among clinical isolates internationally, and also differed along the putative cattle-hamburger-clinical case transmission chain.
ISSN:	0099-2240 1098-5336 1098-6596
DOI:	10.1128/AEM.01190-08