Table 1 Target genes of Escherichia coli virulence factors detected by multiplex PCRs
Bacterial components or products | Target genes | Virulence factors |
|---|---|---|
Fimbriae | faeG (F4) | F4 fimbriae |
fanC (F5) | F5 fimbriae | |
fasA (F6) | F6 fimbriae | |
fedA (F18) | F18 fimbriae | |
fim41A (F41) | F41 fimbriae | |
fimH (F1) | type 1 fimbriae | |
fimA (F1) | type 1 fimbriae | |
Adhesins | papC | P fimbriae |
aidA (AIDA) | AIDA-I autotransporter adhesin | |
paa | porcine attaching-effacing associated protein | |
eaeA (intimin) | intimin | |
Toxins | eltB (LTI) | heat-sensitive enterotoxin |
estA (STI) | heat-resistant enterotoxin | |
estB (STII) | heat-resistant enterotoxin | |
astA (EAST) | heat-resistant enterotoxin | |
stx2e | Shiga toxin variant 2e | |
cdtB | cytolethal distending toxin | |
cnf1 | cytotoxic necrotizing factor type 1 | |
Others | iucD | aerobactin siderophore |
escV | type III secretion system | |
pic | serin protease autotransporter |