Table 1. Bacterial Strains Used in This Study.
| strain | description or genotype | source or ref |
|---|---|---|
| Vibrio cholerae | ||
| A1552 | wild-type; O1 biovar El Tor serotype Inaba | (29) |
| E7956 | wild-type; O1 biovar El Tor serotype Ogawa | (30) |
| BH1651 | luxOD47E | (15) |
| BH1578 | ΔluxSΔcqsA | (36) |
| DH231 | ΔluxSΔcqsS | (37) |
| WN1103 | ΔluxQΔcqsA | (37) |
| E7956 Δcrp | Δcrp KanR | gift from D. Grainger |
| NP5005 | A1552 pRW50T containing upstream region of aphA promoter; TetR | (12) |
| Escherichia coli | ||
| DH5α | donor and maintenance of pBB1 | (32) |
| JCB387 | donor and maintenance of pRW50T | (31) |
| SM10 | helper strain; λpir pRK2013; KanR | (33) |