Eradicating deadly E. coli O157:H7 from the bottoms of cows may prevent future outbreaks of food poisoning by this famous bug. According to an article in the August 2004 issue Microbiology Today, the quarterly magazine of the Society for General Microbiology, the majority of people with E. coli O157:H7, picked up the infection from cattle, either through direct contact with faeces or by consuming contaminated meat or milk.
Researchers at the University of Edinburgh, in collaboration with the Scottish Agricultural College and the Moredun Research Institute, were surprised to find that E. coli O157:H7 colonises only the last few centimetres of the cattle gut. As a result, bacteria are spread onto the surface of faeces as they leave the cow and can easily contaminate the environment.
“We are focused on understanding where and how E. coli O157:H7 colonises cattle”, explains Dr David Gally from the University of Edinburgh. “Our aim is to produce vaccines that stop the bacteria from attaching themselves to the gut wall. This prevents colonisation and therefore reduces the threat to human health from this dangerous pathogen.”
Faye Jones | alfa
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