TABLE 2.
Features of HeLa cells after infection with various E. coli strainsa
| Strain | Bacterial adherence | Actin accumulation | Tyrosine phosphorylation |
|---|---|---|---|
| B6/RD10a | DA, ++ | +++ | +++ |
| B6/RD21a | DA, + | + | ++ |
| B14/RD41a | DA, ++ | ++ | ++ |
| B14/RD55a | DA, ++++ | +++ | ++++ |
| B14/RDZ12 | DA, ++ | − | − |
| B20/RD32a | DA, ++ | ++ | +++ |
| ECRC O1 | − | − | − |
| ECRC O103 | − | − | − |
| ECRC 88-0990/103-2 | DA, ++ | (+) | + |
| 85/150 | DA, +++ | +++ | +++ |
| 84/110 | DA, + | + | + |
| 85/150Nal+ | DA, +++ | +++ | +++ |
| EPEC 2348/69 | LA, ++++ | +++ | ++++ |
| cfm 14-2-1 | LA, +++ | − | − |
a
DA, diffuse adherence; LA, localized adherence. Scale: −, none; (+), very low; +, low; ++, moderate; +++, high; ++++, very high.