Table 5. Bacterial strains used in this study.
| Bacterial strains | Major characteristics | Origin |
| Escherichia coli | ||
| AG100 | argE3 thi-1 rpsL xyl mtldelta (gal-uvrB) supE44 | 34 |
| AG100A | AG100 Δ acrAB:: Kanr | 34 |
| AG102 | AG100 overproducing AcrAB | 35 |
| AG100Atet | AG100Atet, AG100A selected on tetracycline | 34 |
| Enterobacter aerogenes | ||
| ATCC13048 | ATCC strain | 40 |
| EA5 | MDR clinical isolate | 40 |
| EA27 | MDR clinical isolate | 40,41 |
| EA289 | Kans derivative of EA27 | 41 |
| EA298 | EAEP289 tolC:: Kanr | 41 |
| EA294 | EAEP289 acrA::Kanr | 41 |
| Klebsiella pneumoniae | ||
| ATCC11296 | ATCC strain | 42 |
| KP55 | MDR clinical isolate | 42 |
| KP63 | MDR clinical isolate | 42 |
| Pseudomonas aeruginosa | ||
| PA01 | ATCC strain | 43 |
| 124 | MDR clinical isolate | 43 |
| Salmonella enterica Typhimurium | (LT2) | |
| SL696 | WT, metA22, trpB2, strAi20 | 31 |
| SL1069 | SL696 Re derivative | 31 |
| SL1102 | SL696 Re derivative | 31 |