TABLE 2.
Strain | Results for assay of:
|
||||
---|---|---|---|---|---|
LAa | FASb | Tir, EspABD secretionc | HEp-2 invasion (%)d | Intracellular persistence (%)e | |
E2348/69 | + | + | + | 100 | 100 |
E2348/69 espG | + | + | + | 83 | 83 |
E2348/69 espG (pCVD453) | + | + | + | nt | nt |
E2348/69 espG orf3 | + | + | ntf | 70 | 70 |
LA, localized adherence.
FAS, fluorescent actin staining (an assay for attaching and effacing lesion formation).
Type III secretion of EspADB and Tir.
Invasion of HEp-2 cells, relative to E2348/69.
Intracellular persistence within HEp-2 cells after invasion, relative to E2348/69.
nt, not tested.