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Zone of inhibition assaysa
| Plasmid | Inhibition zone diam (mm) with:
|
|
|---|---|---|
| MMC (15 μg) | Nalidixic acid (75 μg) | |
| pUC19 | 22 | 23 |
| pDEW140 (sdiA) | 16 | 16 |
| pDEW141 (rob) | 19 | 18 |
| pUC18 | 19 | 19 |
| pDEW133 (gyrI) | 12 | <7 |
RFM443, harboring various plasmids, was challenged with either 15 μg of MMC or 75 μg of nalidixic acid. The diameter of each resultant inhibition zone is presented.
