TABLE 1.
Bacterial strains and plasmids
| Strain or plasmid | Relevant genotype | Reference or source |
|---|---|---|
| Strains | ||
| AT833 | K10 Hfr (PO2A) pit-10 fhuA22 fadL701 cre-510 relA1 metB1 mcrB1 thi garB10 ompF627 spoT1 | 14 |
| AT13 | K10 pit10 phoB63 | A. Torriani |
| AT854 | K10 ΔphoU::KanrrecA1 pit-10 | A. Torriani |
| AT857 | K10 recA1 pit-10 phoU35 | A. Torriani |
| AT280 | K10 C2 phoR68 | A. Torriani |
| AT776 | K10 C3 phoR69 | A. Torriani |
| NR21 | W3110 F− IN(rrnD-rrnE)I | 12 |
| AT25 | LEP1 F−phoB23 | 2 |
| AT30 | G206 pit10 phoB62 spoT1 | A. Torriani |
| AT884 | GP33 K-12 phoB::Tn5 | A. Torriani |
| AT401 | W3110 phoR68 creC452 | A. Torriani |
| MG1655 | CF1648 F−arcA1655 fnr-1655 | M. Cashel |
| NR2 | MG1655 phoB::Tn5 | Present work |
| CF1652 | MG1655 ΔrelA251 | M. Cashel |
| CF1693 | MG1655 ΔrelA251 ΔspoT207 | M. Cashel |
| Plasmids | ||
| AT508 | W3110 pHI4 (phoB+) | A. Torriani |
| NR25 | CF1648 pALS13(relA′+) | 33 |
| NR26 | CF1648 pALS14 (relA′) | 33 |