TABLE 1.
Antibiotic sensitivity of biofilm-grown and planktonically grown wt B. bronchiseptica cellsa
| Drug | MBC-P (mg/ml) | MBC-B (mg/ml) | MBC-B/MBC-P |
|---|---|---|---|
| Erythromycin | 0.05 | >32b | >640 |
| Streptomycin | 0.75 | 300 | 400 |
| Kanamycin | 0.02 | 4 | 200 |
| Gentamicin | 0.005 | 0.8 | 160 |
| Ampicillin | 0.5 | 500 | 1,000 |
| Ciprofloxacin | 0.005 | 1 | 200 |
a
MBC-P, MBC of planktonically grown cells; MBC-B, MBC of biofilm-grown cells. Values are based on results of three different experiments.
b
The antibiotic was partially soluble above this concentration.