Table 2 Characteristics of aEPEC strains positive for EAF plasmid-encoded genes either by PCR or hybridization assay
Strain | Serotype | Source | Presence or absence of: | IS element upstream of per | Presence or absence of: | HEp-2 adhesion pattern | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
bfpA (probe) | bfpA (PCR) | bfpA-IS66 | trcP (probe) | per (probe) | perA (PCR) | EAF (PCR) | orf35–36 (probe) | orf61–62 (probe) | |||||
A103 | O9:HND | Patient | – | – | – | + | IS1294 | + | + | – | – | – | – |
A148 | O37:NM | Patient | – | – | – | – | IS1294 | + | + | – | – | – | – |
A141 | O49:HND | Patient | – | – | – | – | IS1294 | + | + | – | + | – | – |
A69 | O55:NM | Patient | + | + | – | + | IS1294 | + | + | – | – | – | LAL |
A152 | O96:NM | Control | – | – | – | – | IS1294 | + | + | – | – | – | – |
A144 | O98:HND | Patient | – | – | – | + | IS1294 | + | + | – | + | – | – |
A140 | O108:HND | Control | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A60 | O119:H2 | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A62 | O119:H2 | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A66 | O119:H2 | Control | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A67 | O119:H2 | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A75 | O119:HND | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A90 | O119:HND | Patient | + | + | – | – | IS1294 | + | + | – | – | – | LA |
A111 | O119:HND | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A127 | O119:HND | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A131 | O119:HND | Patient | + | – | + | – | IS1294 | + | + | – | – | – | LAL |
A97 | O128:HND | Patient | – | – | – | – | IS1294 | + | + | – | – | – | – |
A126 | O128:NM | Patient | – | – | – | – | IS1294 | + | + | – | – | – | – |
A11 | O142:NM | Patient | + | + | – | + | IS1294 | + | + | – | + | – | LA |
A129 | O142:HND | Patient | + | + | – | + | IS1294 | + | + | – | + | – | LAL |
A124 | O157:NM | Patient | – | – | – | – | IS1294 | + | + | – | – | – | – |
A95 | ONT:H21 | Patient | + | + | – | + | IS1294 | + | + | – | – | – | LAL |
A65 | ONT:NM | Control | + | + | – | – | IS1294 | + | + | – | – | – | LAL |
A74 | ONT:NM | Patient | + | + | – | – | IS1294 | + | + | – | – | – | LAL |
A63 | ONT:HND | Patient | + | + | – | – | IS1294 | + | + | – | + | + | LAL |
A64 | ONT:HND | Patient | + | + | – | – | IS1294 | + | + | – | + | + | LAL |
A78 | ONT:HND | Patient | + | + | – | – | IS1294 | + | + | – | + | – | LAL |
A146 | ONT:HND | Control | + | + | – | – | IS1294 | + | + | – | + | – | LAL |
A57 | ONT:HND | Patient | – | – | – | – | IS1294 | + | + | – | – | – | – |
A16 | ONT:HND | Control | – | – | – | – | IS1294 | + | + | – | + | – | – |
A118 | ONT:HND | Patient | – | – | – | – | IS1294 | + | + | – | – | – | – |
A136 | ONT:HND | Patient | – | – | – | – | IS1294 | + | + | – | + | – | LAL |