Table 1. Virulence factors of Orl-1 Escherichia coli K1 strain, France.
| Integrative elements* (1) | Virulence genes | Present |
|---|---|---|
| PAI III536–like | iroN | Yes |
|
|
sfa/foc
|
Yes |
| GimA-like |
ibeA (gimA4), ptnC (gimA1) |
Yes |
| PAI IIJ96–like | hra | Yes |
|
|
hlyC, cnf1
|
No |
| PAI ICFT073–like | hlyC | No |
|
|
aer (iucC) |
Yes |
| HPI-like |
fyuA, irp-2
|
Yes |
| GimB-like |
gimB
|
Yes |
|
pks island† |
clbA, clbK-J, clbP, clbQ
|
Yes |
| Others | chuA | Yes |
| ompA | Yes | |
| hek | Yes | |
| iss | Yes | |
| malX | Yes | |
| cdtB-I to -V | No |
*PAI, pathogenicity island; HPI, high-pathogenicity island. †Positive cytopathogen effect with transient infection of HeLa cells.