TABLE 1.

Proposed major adhesion factors of the principal pathotypes of diarrheagenic E. coli

PathotypeFimbrial adhesin(s)Adhesin(s) and/or invasin(s)
EPECBfpIntimin, flagella, LifA/Efal
EHECLpf, SfpIntimin, Iha, OmpA, Saa, Efal, ToxB
ETECCFsTia, TibA
EAECAAFsAfaE-VIII, dispersin
EIECUnknownInvasion-plasmid antigens (Ipas), IcsA, HAF
DAECF1845 and related fimbriaeAIDA-I