TABLE 1.
Bacterial strains and plasmids used in this study
| Strain or plasmid | Serogroup or characteristica | Source or reference |
|---|---|---|
| Strains | ||
| V. cholerae | ||
| O395 | O1 (classical/Ogawa), Smr | 25 |
| AD48 | O1 (E1 Tor/Ogawa) | 14 |
| Co900 | O1 (E1 Tor/Inaba) | Clinical isolate (local) |
| V1228 | O1 (E1 Tor/Ogawa), ΔtcpA | 49 |
| 10259 | O53 | 10 |
| V2 | O37 | 10 |
| S7 | O37 | 3 |
| E. coli SM10λ pir | thi thr leu tonA lacA supE recA::RP4-Tc::Muλ pir R6K | 29 |
| Plasmid | ||
| pCVD 442 | sacB gene containing suicide vector, Apr | 12 |
a
Smr, streptomycin resistant; Apr, ampicillin resistant.