Genetic Relatedness Among Escherichia coli Pathotypes Isolated from Food Products for Human Consumption in Cartagena, Colombia

Foodborne Pathogens and Disease
Zorangel Amézquita-MontesOscar G Gómez-Duarte

Abstract

Foodborne pathogens are a leading cause of mild-to-severe gastrointestinal illnesses worldwide. Escherichia coli pathotypes have been known to cause gastrointestinal illnesses in children less than 5 years old in Colombia. However, insufficient information is available on the prevalence of E. coli contamination of food products and the kind of E. coli food product reservoirs. The two objectives of this study were designed to address this issue. The first objective was to ascertain coliform, E. coli, and pathogenic E. coli contamination of food products readily available for human consumption in Cartagena, Colombia. The second objective was to evaluate the relationship between pathogenic E. coli isolated from food products and those isolated from cases of diarrhea in children. Food product samples consisting of pasteurized milk, unpasteurized fruit juice, ground beef, cheese, and vegetables were obtained at four retail stores. The food samples were cultured in liquid media and tested for the presence of coliforms and E. coli. E. coli isolates were tested by polymerase chain reaction for the presence of pathogenic E. coli. Coliforms, E. coli, and E. coli intestinal pathotypes contamination were detected in 88.4%, 53%, and 2.1% of...Continue Reading

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Citations

Jan 5, 2017·Critical Reviews in Biotechnology·Ana Andréa Teixeira BarbosaSona Jain
Jul 1, 2020·PLoS Neglected Tropical Diseases·Ana E Farfán-GarcíaOscar G Gómez-Duarte
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Nicolás GalarceNilton Lincopan

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Methods Mentioned

BETA
PCR

Software Mentioned

ClustalW
SPSS Statistics
DNADynamo
MLST

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