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Abstract: Powdered infant formula has previously been linked to the transmission of various bacterial pathogens in infants resulting in life‐threatening disease and death. Survival studies of 2 common foodborne pathogens, Salmonella enterica serovar Typhi and Shigella dysenteriae, in powdered infant formula have not been previously studied despite the potentially devastating consequences from ingestion...
Four different food matrices (alfalfa, cilantro, mamey sapote, and mung bean) were contaminated with three different dilutions 106, 104, and 103 cfu/g of Yersinia enterocolitica. DNA was isolated from each food mix and used in chromosomal amplifications. The amplified DNA was used as templates in single PCR reactions of the four genes (virF, ail, yst, and blaA) followed by mixing the four reactions...
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