- aggR – EAEC (enteroaggregative E. coli), Virulenzregulator
- eae – EPEC (enteropathogene E. coli), Intimin
- E. coli O157 – Nachweis des Serotyps O157
- LT/ST – ETEC (enterotoxigene E. coli), hitzelabiles und hitzestabiles Enterotoxin
- stx1/stx2 – STEC/EHEC (Shigatoxin-bildende E. coli), Shigatoxine