
Keywords: T3SS, type III secretion system; EHEC, enterohemorrhagic Escherichia coli; S. Typhimurium, Salomonella enterica subspecies 1 serovar Typhimurium; EPEC, enteropathogenic E. coli; ETEC, enterotoxigenic E. coli; PRRs, pattern-recognition receptors; PAMPs, pa