Prevalence of Escherichia coli associated with a cabbage crop inadvertently irrigated with partially treated sewage wastewater

Journal of Food Protection
Marian R WachtelRobert E Mandrell

Abstract

Preharvest contamination of field crops may have many sources, including feces, soil, and irrigation water. In March 2000, a sewage spill released unchlorinated tertiary-treated effluent into a creek used to irrigate commercial produce. A field of young cabbage transplants was irrigated with creek water as the contaminated water flowed past this land. Cabbage samples were taken from plots within this field, and Escherichia coli was isolated from the roots of these plants but not from the edible portion of the cabbage. No E. coli was isolated from water samples or from control samples taken from a nearby cabbage field watered with chlorinated municipal water. The cabbage field under study had not been fertilized with manure for at least 2 years prior to the contamination incident. Six different E. coli serotypes were identified, although none of them proved to be pathogenic. These serotypes were separated into five groups by a RiboPrinter; the resulting groups correlated well with the serotypes and the locations in the field from which these strains were isolated. We previously found that certain nonpathogenic E. coli strains displayed lower levels of adherence to lettuce seedling roots in a hydroponic adherence assay. The E. co...Continue Reading

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Citations

Oct 24, 2003·Journal of Food Protection·Keith WarrinerWilliam M Waites
Jul 10, 2004·Letters in Applied Microbiology·A T CsordasM J Delwiche
Jul 22, 2005·Letters in Applied Microbiology·J D BarakM J Delwiche
Jul 12, 2019·AIMS Microbiology·Thomas Bintsis
Dec 12, 2019·Frontiers in Microbiology·Christina K CarstensCharles Darkoh
Nov 6, 2004·Applied and Environmental Microbiology·Steven C InghamThomas H Wright
Aug 22, 2009·Foodborne Pathogens and Disease·Marin Pavlic, Mansel W Griffiths
Feb 12, 2014·Microbial Biotechnology·Yuping ZhangXu Li
Dec 16, 2003·Journal of Food Protection·Ethan B SolomonKarl R Matthews
Mar 9, 2005·Journal of Applied Microbiology·L M AveryD L Jones
Sep 27, 2002·Applied and Environmental Microbiology·J D BarakA O Charkowski
Jan 7, 2005·Journal of Food Protection·Marina Steele, Joseph Odumeru
Feb 21, 2008·Journal of Applied Microbiology·M P Doyle, M C Erickson
Apr 12, 2011·Journal of Food Protection·Hidemi Izumi, Kaori Sera
Mar 31, 2012·Foodborne Pathogens and Disease·Kirsten A HirneisenKalmia E Kniel
Apr 17, 2016·Applied and Environmental Microbiology·Mary Theresa CallahanRobert L Buchanan
Nov 1, 2010·Comprehensive Reviews in Food Science and Food Safety·Marilyn C Erickson

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