Article (Scientific journals)
Verotoxigenic Escherichia coli from animals, humans and foods: who's who?
Mainil, Jacques; Daube, Georges
2005In Journal of Applied Microbiology, 98 (6), p. 1332-1344
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Keywords :
VTEC; EHEC; Food; Animal; Human; Virulence
Abstract :
[en] Verocytotoxigenic (shigatoxigenic) and enterohaemorrhagic Escherichia coli, VTEC ( STEC) and EHEC, produce a toxin active on Vero cells in vitro. VTEC and EHEC have been isolated from humans and different animal species, mainly ruminants and pigs. The verocytotoxins, also named shiga toxins (Stx), are active in vivo on the endothelial cells of the blood vessels of the gastro-intestinal mucosa, the kidneys, the brain, and other tissues of humans and piglets, leading to fluid leakage or haemorrhages. Conversely, their role in diseases of young ruminants remains unclear. Adult ruminants can also act as asymptomatic carriers of VTEC and EHEC strains similar to those causing diseases in humans. And they are incriminated as an important source of direct or indirect contamination of humans by the most famous EHEC strain belonging to the O157: H7 serotype, through faecal contamination of either foods of animal origin, or other foodstuffs ( fruit, vegetables, etc.), or the environment. But dozens of non-O157 human and ruminant VTEC and EHEC strains with similar general and virulence-associated properties, have been described, whose epidemiology is much less well understood. The purpose of this review manuscript is to describe and compare the properties of human, ruminant and food VTEC and EHEC strains.
Disciplines :
Microbiology
Author, co-author :
Mainil, Jacques ;  Université de Liège - ULiège > Maladies infectieuses et parasitaires > Bactériologie et pathologie des maladies bactériennes
Daube, Georges  ;  Université de Liège - ULiège > Sciences des Denrées alimentaires > Microbiologie des denrées alimentaires
Language :
English
Title :
Verotoxigenic Escherichia coli from animals, humans and foods: who's who?
Publication date :
2005
Journal title :
Journal of Applied Microbiology
ISSN :
1364-5072
eISSN :
1365-2672
Publisher :
Blackwell Publishing Ltd, Oxford, United Kingdom
Volume :
98
Issue :
6
Pages :
1332-1344
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 November 2008

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