Table S2.
Strains
| Strains | Genotype | Source |
| Escherichia coli | ||
| SM10λpir | thi thr leu tonA lacY supE recA::RP4-2-Tc::Muλpir R6K; Kmr | J. Mekalanos, Harvard Medical School, Boston |
| V. cholerae | ||
| PW357 | O139 MO10 lacZ::vpsLp→lacZ; Smr | (14) |
| PW397 | PW357 ΔvpsIΔvpsIl | (3) |
| PW707 | PW357 Δbap1ΔrbmC | (16) |
| PW1397 | C6706 lacZ | J. Mekalanos |
| PW1616 | PW357 rbmA-FLAG | This study |
| PW1617 | PW357 rbmA-FLAG ΔhapA | This study |
| PW1618 | PW357 rbmA-FLAG ΔhapΔprtVΔVC0157 | This study |
| PW1704 | PW357 rbmA-FLAG ΔVC0157 | This study |
| PW1705 | PW357 rbmA-FLAG ΔprtV | This study |
| PW1706 | PW357 rbmA-FLAG ΔhapΔprtV | This study |
| PW1707 | PW357 rbmA-FLAG ΔhapΔVC0157 | This study |
| PW1708 | C6706 lacZ rbmA-FLAG | This study |
| PW1709 | C6706 lacZ rbmA-FLAG ΔhapA | This study |
| PW1710 | C6706 lacZ rbmA-FLAG ΔVC0157 | This study |
| PW1711 | C6706 lacZ rbmA-FLAG ΔhapΔprtV | This study |
| PW1712 | C6706 lacZ rbmA-FLAG ΔhapΔVC0157 | This study |
| PW1713 | C6706 lacZ rbmA-FLAG ΔhapΔprtVΔVC0157 | This study |
| PW1714 | C6706 lacZ ΔrbmA | This study |
| PW1715 | O139 MO10 ΔvpsL-QΔrbmA | This study |
| PW1716 | O139 MO10 ΔvpsL-QΔrbmA-ΔwbfR | This study |
| PW856 | O139 MO10 with GFP in lacZ site | (3) |
| PW1701 | O139 MO10 with tomato in lacZ site | This study |
Kmr, kanamycin resistance; Smr, streptomycin resistance.