TABLE 1.
Strains and plasmids used in this work
| Strain or plasmid | Relevant characteristics | Reference |
|---|---|---|
| Strains | ||
| CAG18478 | MG1655 zbj-1230::Tn10 | 32 |
| IQ646 | ssyF29 ara D139 Δ(argF-lac)U169 rpsL150 relA1 flbB301 deoC1 ptsF25 rbsR | 31 |
| ENS0 | HfrG6lacZΔ12 (HfrG6 lacking lac promoter-RBS) | 8 |
| ENS0-xTIR | HfrG6lacZ::TIR (Lac+ ENS0 derivatives carrying TIR of gene x fused to lacZ | This work |
| Plasmids | ||
| pEMBLΔ46 | Ampr, pEMBL8+ derivative lacking lacZ RBS | 8 |
| pACYC184 | Tetr Cmr; shortly named here pCtr (control) | 6 |
| pJS200 | Cmr, pACYC184 derivative bearing rpsA gene and 252 nt of 5′ flanking sequence | 29 |
| pSP261 | Cmr, pACYC184 derivative bearing cmk-rpsA-hip genes; named here as pS1 | 22 |