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The efficacy of bacteriophages e11/2 and e4/1c as potential biocontrol agents for Escherichia coli O157:H7 in food applications was assessed under conditions relevant to the food chain environment. The stability of each phage was determined following exposure to varying environmental conditions (pH, temperature, water activity, and sodium chloride) and the… (More)
Bacteriophage (phage) are bacterial viruses and are considered to be the most widely distributed and diverse natural biological entities. Soon after their discovery, bacteriophage were found to have antimicrobial properties that were exploited in many early anti-infection trials. However, the subsequent discovery of antibiotics led to a decline in the… (More)
This study investigated the effect of bacteriophages (phages) e11/2 and e4/1c against Escherichia coli O157:H7 in an ex vivo rumen model and in cattle in vivo. In the ex vivo rumen model, samples were inoculated with either 10³ or 10⁶ CFU/ml inoculum of E. coli O157:H7 and challenged separately with each bacteriophage. In the presence of phage e11/2, the… (More)
Bacteriophage vB_EcoM_112 (formerly e11/2) is an Escherichia coli phage with specificity for the O157:H7 serotype. The vB_EcoM_112 genome sequence shares high degrees of similarity with the phage T4 genome sequence.