TABLE 3.
MICs of antibiotics and CTAB for the strains
| Strain | MIC (μg/ml)
|
|||||
|---|---|---|---|---|---|---|
| Ampicillin | Chloramphenicol
|
Tobramycin | CTAB | |||
| Noninduceda
|
Inducedb | |||||
| 24 h | 48 h | |||||
| E. aerogenes | ||||||
| BM2688 | >128 | 4 | 8 | 8 | 32 | 800 |
| BM2688-1 | >128 | 4 | 4 | 4 | 0.5 | 200 |
| E. coli | ||||||
| J5-3 | 2 | 4 | 4 | 4 | 0.25 | 200 |
| J5-3(pIP833) | 2 | 12 | 24 | 24 | 16 | 400 |
| JM83 | 4 | 4 | 4 | 4 | 0.5 | 200 |
| JM83(pAT672) | >128 | NDc | ND | ND | 32 | 400 |
| JM83(pAT673-1) | >128 | 16 | 16 | ND | ND | ND |
| JM83(pAT673-2) | >128 | 8 | 8 | ND | ND | ND |
| JM83(pAT674) | 4 | ND | ND | ND | ND | ND |
| JM83(pAT675) | 32 | ND | ND | ND | ND | ND |
a
24 and 48 h, after 24 or 48 h of incubation at 37°C, respectively.
b
Induction was with 1 μg of chloramphenicol per ml added to exponentially growing cells 60 min before plating.
c
ND, not determined.