Potential role of diploscapter sp. strain LKC25, a baterivorous nematode from soil, as a vector of food-borne pathogenic bacteria to preharvest fruits and vegetables
Article Abstract:
Diploscapter, a thermotolerant, free-living bacterial-feeding nematode is studied to determine its potential role as a vehicle of Salmonella enterica serotype Poona, enterohemorrhagic Escherichia coli O157:H7, and Listeria monocytogenes in contaminating preharvest fruits and vegetables. The potential of Diploscapter sp. strain LKC25 to shed pathogenic bacteria after exposure to bacteria inoculated into soil or a mixture of soil and composted turkey manure is investigated.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2005
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Biofilm formation by Escherichia cole O157:H7 on stainless steel: Effect of exopolysaccharide and curli production on its resistance to chlorine
Article Abstract:
The resistance of Escherichia coli O157:H7 strains ATCC 43895-, 43895-EPS (an exopolysaccharide [EPS]-overproducing mutant) and ATCC 43895+ (a curli-producing mutant) to chlorine, a sanitizer commonly used in the food industry, was studied. It was found that the resistance of Escherichia coli O157:H7 to chlorine increased significantly as cells formed biofilm on coupons and strain ATCC 43895+ was the most resistant.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2005
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Ingestion of Salmonella enterica serotype Poona by a free-living nematode, Caenorhabditis elegans, and protection against inactivation by produce sanitizers
Article Abstract:
Results show that bacteria ingested by the nematode Caenorhabditis elegans are protected against chlorine treatment. Data indicate that 20 microgram of free chlorine per milliliter markedly reduce the population of Salmonella enterica serotype Poona on the surface of C. elegans and that higher amounts of chlorine cannot reach the bacteria that are protected by the cuticle of the nematode.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2003
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