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Applied and Environmental Microbiology, September 2008, p. 5568-5570, Vol. 74, No. 17
0099-2240/08/$08.00+0     doi:10.1128/AEM.01077-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Differential Attachment to and Subsequent Contamination of Agricultural Crops by Salmonella enterica{triangledown}

Jeri D. Barak,* Anita Liang, and Koh-Eun Narm

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

Received 13 May 2008/ Accepted 25 June 2008

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.

* Corresponding author. Present address: Department of Plant Pathology, Russell Labs, University of Wisconsin—Madison, Madison, WI 63706. Phone: (608) 262-1410. Fax: (608) 263-2626. E-mail: barak{at}plantpath.wisc.edu

{triangledown} Published ahead of print on 7 July 2008.

Applied and Environmental Microbiology, September 2008, p. 5568-5570, Vol. 74, No. 17
0099-2240/08/$08.00+0     doi:10.1128/AEM.01077-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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