Table 1 Characteristics of atypical EPEC strains that were positive in one or more PCR or DNA hybridization assays for virulence-associated determinants of E. colia
From: Characterisation of atypical enteropathogenic E. coli strains of clinical origin
| Â | Â | Â | Â | Result of assay using: | Â | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | PCR for | Probe for | Â | ||||||||
Strain | Serotype | Clade | Intimin | Afa | Afr/I | AggA | Cdt | Efa1 | Iha | LpfD | NleB | BfpA | BfpB | HEp-2 adhesionb |
ESA14 | O119:H21 | aEPEC3 | θ | - | - | - | - | - | - | - | + | - | - | NA |
ESA157 | O119:H21 | aEPEC3 | θ | - | - | - | - | - | - | - | + | - | - | NA |
ESA212 | O98:H8 | aEPEC4 | ι | - | - | - | - | - | - | - | - | + | - | NA |
NT11 | O25:H7 | aEPEC1 | β | - | - | - | - | + | - | + | + | - | - | IA |
NT286 | O177:H- |  | ζ | - | - | - | - | - | + | - | - | - | - | NA |
NT357 | Ont:H19 | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | IA |
NT478 | Ont:H19 | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | NA |
NT526 | O123:H45 |  | ε | - | - | - | + | - | - | - | - | - | - | IA |
NT561 | Ont:H21 | aEPEC3 | θ | - | - | - | - | - | - | - | + | - | - | AA |
NT611 | O55:H7 | EHEC1 | γ | - | - | - | - | + | - | - | + | - | - | AA |
NT731 | O45:H19 |  | γ | + | - | - | - | - | + | - | - | - | - | NA |
NT741 | Ont:H19 | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | IA |
NT756 | Ont:H19 | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | IA |
NT786 | OR:H- | aEPEC4 | ι | - | - | - | - | - | + | - | - | - | - | AA |
NT896 | Ont:H19 | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | IA |
R104 | O153:H7 | aEPEC1 | β | - | + | - | - | + | - | + | + | - | - | AA |
R151-1 | Ont:H34 | aEPEC6 | α | - | - | - | + | - | - | - | - | - | + | AA |
R176 | Ont:H8 | aEPEC4 | ι | - | - | - | - | - | - | - | - | + | - | NA |
R182 | OR:H40 |  | θ | - | - | - | - | - | - | - | + | + | - | IA |
R215-1 | O117:H2 | EPEC2 | β | - | - | - | - | + | - | + | + | - | - | IA |
R218 | Ont:R | aEPEC6 | α | - | - | - | + | - | - | - | - | - | + | AA |
R219 | O51:H49 |  | α | - | - | + | - | - | - | - | - | - | - | AA |
R227 | O170/172:H49 |  | θ | - | - | - | - | - | - | - | + | - | - | IA |
R228-1 | O88:H- | aEPEC5 | κ | - | - | - | - | - | - | - | - | + | - | NA |
R249-1 | O145:H34 |  | ι | - | - | - | - | - | - | - | - | - | + | AA |
R278 | Ont:H19 | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | IA |
R281 | O49:H10 | aEPEC5 | κ | - | - | - | - | - | - | - | - | + | - | NA |
R380 | Ont:H31 |  | ζ | - | - | - | + | - | - | - | - | - | - | AA |
R392 | Ont:H6 | aEPEC6 | α | - | - | - | - | - | - | - | - | - | + | AA |
R394 | O5/71:H31 |  | θ | - | - | - | - | - | - | - | + | - | - | IA |
R404 | O128:H2 | EPEC2 | β | - | - | - | + | - | - | + | - | - | + | LA-L |
R420 | Ont:H21 | aEPEC3 | θ | - | - | - | - | - | - | - | + | - | - | IA |
R446-1 | Ont:H34 | aEPEC6 | α | - | - | - | + | - | - | - | - | - | + | AA |
R446-2 | O28:H45 |  | ζ | - | - | - | + | - | - | - | - | - | - | AA |
R69 | NT |  | θ | - | - | - | - | - | - | - | + | - | - | IA |
R89 | O153:H7 | aEPEC1 | β | - | + | - | - | + | - | + | + | - | - | IA |
W1040 | O15:Hnt | EPEC2 | β | - | - | - | - | + | - | + | + | - | - | LA-L |
W1056 | O55:H7 | EHEC1 | γ | - | - | - | - | + | - | - | + | - | - | IA |
W1092 | OR:H- | aEPEC2 | ν | - | - | - | - | - | - | + | - | - | - | IA |
W1108 | O176/172:H49 |  | θ | - | - | - | - | - | - | - | + | - | - | IA |
W1134-1 | Ont:H6 | aEPEC3 | θ | - | - | - | - | - | - | - | + | - | - | NA |
W114 | O107:H8 | aEPEC4 | ι | - | - | - | - | - | - | - | - | + | - | NA |
W145 | O55:H7 | EHEC1 | γ | - | - | - | - | + | - | - | + | - | - | AA |
W1585 | Ont:H40 |  | θ | - | - | - | - | - | - | - | + | - | - | NA |
W185 | Ont:H21 | aEPEC3 | θ | - | - | - | - | - | - | - | - | - | - | IA |