| E. coli Strains | Relevant genotype | Source or reference |
| MG1655 | λ−rph-1 Wild-type* | J. M. Ghigo [13] H. Suzuki [14] G. Storz [15] S. Gottesman [16] |
| MG1655csgD | ΔcsgD::aadA Specr | J. M. Ghigo |
| GSO548 | MG1655 ΔrpoS::kan | G. Storz |
| GSO549 | MG1655 Δcrp::cat | íd. |
| GSO551 | MG1655 ΔpgaA::kan | íd. |
| GSO569 | MG1655 ΔabgR-ydaL::kan | íd. |
| NM525 | Wild-type* | íd. |
| GSO553 | NM525 ΔflhDC:.kan | íd. |
| GSO554 | NM525 ΔcsgD::kan | íd. |
| SK598 | ΔfliC::FRT-kan+-FRT | H. Suzuki |
| SK650 | ΔfimA::FRT-kan+-FRT | íd. |
| W3110 | Wild-type* | R. Hengge [7] |
| AR120 | W3110 ΔfliC::kan | íd. |
| UGB52 | MG1655 agn43+* | C. Beloin [17] |
| UGB2836 | MG1655 Δagn43::cat, CmR | íd. |
| NRD356 | MG1655 Δcrp::cat | S. Gottesman |
| NRD345 | MG1655 ΔcyaR::cat | íd. |
| DJ480 | MG1655 ΔlacX74* | íd. |
| CV600 | MG1655 ΔlacX74Δcrp::cat | íd. |
| JMØ3 | BW25113 λi434 single lysogen | S. L. Svenningsen [18] |
| JMØ11 | JMØ3 rcsA::cat | íd. |