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Appl Environ Microbiol. 2008 Sep;74(17):5568-70. doi: 10.1128/AEM.01077-08. Epub 2008 Jul 7.

Differential attachment to and subsequent contamination of agricultural crops by Salmonella enterica.

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  • 1Produce Safety and Microbiology Research Unit, USDA/ARS/WRRC, 800 Buchanan St., Albany, California 94710, USA.


U.S. salmonellosis outbreaks have occurred following consumption of tomato and cantaloupe but not lettuce. We report differential contamination among agricultural seedlings by Salmonella enterica via soil. Members of the family Brassicaceae had a higher incidence of outbreak than carrot, lettuce, and tomato. Once they were contaminated, phyllosphere populations were similar, except for tomato. Contamination differences exist among tomato cultivars.

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