TABLE 1.
Bacterial strains used in this study
| Strain | Description or genotype | Source or reference |
|---|---|---|
| E. coli TG1 | supE hsd Δ5thi Δ(lac-proAB) F′[traD36 proAB+lacIqlacZΔM15] | Stratagene |
| E. coli BL21(DE3)pLysS | F−ompT hsdSB(rB− mB−) gal dcm (DE3) pLysS (Cmr) | Novagen |
| E. coli JM109 | recA1 supE44 endA1 hsdR17 gyrA96 relA1 thi Δ(lac-proAB) | New England Biolabs |
| E. coli E2348/69 | EPEC prototype strain | 36 |
| C. rodentium | Wild-type, nalidixic acid-resistant strain (formerly C. freundii biotype 4280) | 47 |
| C. rodentium ICC172 | E2348/69 ΔcesD2::aphT | This study |
| C. rodentium ICC173 | C. rodentium cesD2::aphT | This study |