Rectal Administration of Escherichia coli O157:H7: Novel Model for Colonization of Ruminants
نویسندگان
چکیده
منابع مشابه
Escherichia coli O157:H7 colonization in small domestic ruminants.
Enterohaemorrhagic Escherichia coli O157:H7 was first implicated in human disease in the early 1980s, with ruminants cited as the primary reservoirs. Preliminary studies indicated cattle to be the sole source of E. coli O157:H7 outbreaks in humans; however, further epidemiological studies soon demonstrated that E. coli O157:H7 was widespread in other food sources and that a number of transmissi...
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15 صفحه اولIntimin facilitates colonization by Escherichia coli O157:H7 in adult ruminants.
We compared the magnitude and duration of fecal shedding of wild-type Escherichia coli O157:H7 to that of an isogenic intimin mutant in young adult cattle and sheep. In both ruminant species, wild-type E. coli O157:H7 was shed in greater numbers and for a longer duration than was the intimin mutant.
متن کاملRole of Escherichia coli O157:H7 virulence factors in colonization at the bovine terminal rectal mucosa.
The human pathogen Escherichia coli O157:H7 causes hemorrhagic colitis and life-threatening sequelae and transiently colonizes healthy cattle at the terminal rectal mucosa. This study analyzed virulence factors important for the clinical manifestations of human E. coli O157:H7 infection for their contribution to the persistence of E. coli in cattle. The colonizing ability of E. coli O157:H7 was...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 2004
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.70.8.4588-4595.2004