Louise Crozier

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This study has evaluated an enrichment and four subculture procedures for detection of Escherichia coli O157 in raw meat products. The combination of enrichment in modified tryptone broth incubated at 42 degrees C for 6 h, followed by immunomagnetic separation and subculture on to cefixime, tellurite sorbitol MacConkey agar was the most sensitive and(More)
Verocytotoxigenic Escherichia coli (VTEC) can contaminate crop plants, potentially using them as secondary hosts, which can lead to food-borne infection. Currently, little is known about the influence of the specific plant species on the success of bacterial colonization. As such, we compared the ability of the VTEC strain, E. coli O157:H7 'Sakai,' to(More)
Internalization of food-borne bacteria into edible parts of fresh produce plants represents a serious health risk. Therefore, internalization of verocytotoxigenic E. coli O157:H7 isolate Sakai was assessed in two species associated with outbreaks, spinach (Spinacia oleracea) and lettuce (Lactuca sativa) and compared to the model species Nicotiana(More)