Following its discovery as an adaptive immune system in prokaryotes, the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated proteins (Cas) system has been developed into a multifaceted genome editing tool. This review compiles findings aimed at implementation of this technology for selective elimination or attenuation of enterohemorrhagic (EHEC). EHEC are important zoonotic foodborne pathogens that cause hemorrhagic colitis and can progress to the life-threatening hemolytic uremic syndrome (HUS). Advancements in the application of CRISPR methodology include laboratory detection and identification of EHEC, genotyping, screening for pathogenic potential, and engineering probiotics to reduce microbial shedding by cattle, the primary source of human infection. Genetically engineered phages or conjugative plasmids have been designed to target and inactivate genes whose products are critical for EHEC virulence.
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