TABLE 1.
Bacterial strains used in this study
| Strain | Relevant genotype | Reference or source |
|---|---|---|
| S. typhimurium LT2 strain SMS401 | poxA401::Tn10 | 49 |
| S. typhimurium UK-1 | ||
| χ3761 | Wild-type UK-1 | R. Curtiss’ collection |
| MGN-791 | poxA401::Tn10 | This work |
| MGN-816 | ΔpoxA402 | This work |
| MGN-939 | ΔpoxA402 (pMEG-250) | This work |
| MGN-1036 | ΔpoxA270 | This work |
| MGN-1154 | ΔpoxA270 (pMEG-274) | This work |
| E. coli | ||
| BL21(DE3) | F−ompT [lon] hsdS (r− m−; an E. coli B strain) with DE3, λ T7 RNA polymerase | 46 |
| MGN-617 | SM10 λpir derivative, thi thr leu tonA lacY supE λpir recA::RP4-2-Tc::Mu (Kmr) ΔasdA1 | 37a |
| CC118 λpir | araD139 Δ(ara-leu)7697 ΔlacX74 galK ΔphoA20 galE recA1 rpsE argE(Am) rpoB thi λpir | 10 |