TABLE 1.
Susceptibilities of E. coli strains to antibiotics
| Strain | Genotype | MICa (μg/ml) of: |
||||||
|---|---|---|---|---|---|---|---|---|
| ERY | NOV | NOR | AMI | SPE | KAN | AMP | ||
| BW25113 | WT | 32 | 32 | 0.04 | 1 | 25 | 0.78 | 5 |
| GD100 | ΔtolC | 1 | 1 | 0.01 | 1 | 12.5 | 0.78 | 5 |
| JW0117-1 | ΔspeE | 32 | 64 | 0.02 | 16 | 25 | 12.5 | 5 |
| JW2914-1 | ΔgshB | 64 | 256 | 0.04 | 4 | 25 | 6.25 | 10 |
| JW2956-1 | ΔgspS | 64 | 64 | 0.02 | 2 | 25 | 1.56 | 10 |
| GD108 | ΔygiBC ΔyjfMC ΔgspS | 64 | 32 | 0.01 | 1 | 25 | 1.56 | 5 |
| GD106 | ΔtolC ΔspeE | 1 | 1 | 0.005 | 8 | 25 | 6.25 | 5 |
| GD107 | ΔtolC ΔgshB | 1 | 1 | 0.0025 | 2 | 12.5 | 3.125 | 5 |
a
ERY, erythromycin; NOV, novobiocin; NOR, norfloxacin; AMI, amikacin; SPE, spectinomycin; AMP, ampicillin; KAN, kanamycin.