TABLE 5.
Presence of tccP2 and Tir type in other EHEC serotypes
| Serotypea | No. of strains | VT | Intimin type | tccP2 product (bp) | Tir typeb | Origin |
|---|---|---|---|---|---|---|
| O121:H19 | 4 | 2 | ɛ | 900 | E2348/69-like | Argentina |
| O145:H25 | 3 | 2 | β | 900 | E2348/69-like | Argentina |
| O145:H−* | 10 | 2 | γ | 1,200 | NT | Argentina |
| O171:H− | 1 | 2 | ι | 1,200 | E2348/69-like | Argentina |
| ONT:H− | 1 | 1 | β | E2348/69-like | Argentina | |
| ONT:H− | 1 | 1 | ɛ | E2348/69-like | Argentina | |
| ONT:H− | 1 | 2 | γ | 1,200 | NT | Argentina |
| ONT:H−* | 1 | 2c | ɛ | 900 | E2348/69-like | Argentina |
| ONT:H− | 1 | 1 + 2 | γ2 | 1,050 | E2348/69-like | Argentina |
a
*, also tccP positive.
b
Tir typing was done by discriminatory PCR primers. NT, not typeable.
c
Genotype is stx2+stx2vh-a.