TABLE 3.
MICs of ciprofloxacin, norfloxacin, and ethidium bromide for four R6M184 transformants in the presence and absence of sodium orthovanadate
| Strain | MICa (mg/liter) |
|||||
|---|---|---|---|---|---|---|
| Cip | Cip + NaO | Nor | Nor + NaO | EtBr | EtBr + NaO | |
| R6 | 0.5 | 0.25 | 1 | <1 | 2 | <1 |
| M184 | 2 | 0.5 | 8 | 2 | 16 | <1 |
| R6M184 T1 | 2 | 0.25 | 8 | <1 | 16 | <1 |
| R6M184 T2 | 2 | 0.25 | 8 | <1 | 16 | <1 |
| R6M184 T3 | 2 | 0.25 | 8 | <1 | 16 | <1 |
a
Cip, ciprofloxacin; Nor, norfloxacin; EtBr, ethidium bromide; NaO, 50 μM sodium orthovanadate. MICs are the modes from at least three independent experiments. Bold text indicates MICs that are 2 or more dilutions greater than the MIC for R6.