Document Detail

Fresh fruit and vegetables as vehicles for the transmission of human pathogens.
MedLine Citation:
PMID:  20636374     Owner:  NLM     Status:  In-Process    
Much research into food-borne human pathogens has focused on transmission from foods of animal origin. However, recent investigations have identified fruits and vegetables are the source of many disease outbreaks. Now believed to be a much larger contributor to produce-associated outbreaks than previously reported, norovirus outbreaks are commonly caused by contamination of foods from hands of infected workers. Although infections with Shiga toxin-producing E. coli O157 have been linked to beef more often than to any other food product, severe outbreaks have been traced to consumption of contaminated radish sprouts and pre-packaged spinach. Similarly, while infections with Salmonella have mainly been linked to consumption of foods of animal origin, many outbreaks have been traced to contaminated fresh produce. E. coli O157 binds to lettuce leaves by alternative mechanisms involving the filamentous type III secretions system, flagella and the pilus curli. Association of Salmonella with fresh produce appears to be serovar-specific involving flagella, curli, cellulose, and O antigen capsule. A better understanding of plant, microbiological, environmental, processing and food handling factors that facilitate contamination will allow development of evidence-based policies, procedures and technologies aimed at reducing the risk of contamination of fresh produce.
Cedric N Berger; Samir V Sodha; Robert K Shaw; Patricia M Griffin; David Pink; Paul Hand; Gad Frankel
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-07-15
Journal Detail:
Title:  Environmental microbiology     Volume:  12     ISSN:  1462-2920     ISO Abbreviation:  Environ. Microbiol.     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883692     Medline TA:  Environ Microbiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  2385-97     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Society for Applied Microbiology and Blackwell Publishing Ltd.
Centre for Molecular Microbiology and Infection, Division of Cell and Molecular Biology, Imperial College London, London SW7 2AZ, UK.
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Grant Support
//Biotechnology and Biological Sciences Research Council

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