TABLE 6.
Comparative susceptibilities of S. aureus 375 and 375M40a
| Compound | Concn (μg/spot) | Zone of inhibition (mm)
|
|
|---|---|---|---|
| S. aureus 375 | S. aureus 375M40 | ||
| Amoxicillin | 10 | 16 | 16 |
| Ampicillin | 10 | 27 | 27 |
| Bacitracin | 10 | 19 | 16 |
| Carbenicillin | 100 | 29 | 30 |
| Clindamycin | 2 | 18 | 20 |
| Ciprofloxacin | 5 | 19 | 22 |
| Chloramphenicol | 30 | 18 | 22 |
| Cephalothin | 30 | 26 | 27 |
| Erythromycin | 15 | 18 | 22 |
| Furazolidone | 50 | 20 | 22 |
| Gentamicin | 10 | 13 | 12 |
| Nalidixic acid | 30 | 15 | 13 |
| Neomycin | 30 | 12 | 11 |
| Novobiocin | 30 | 23 | 24 |
| Penicillin | 2b | 26 | 27 |
| Rifampin | 5 | 23 | 26 |
| Streptomycin | 10 | 15 | 14 |
| Tetracycline | 30 | 24 | 25 |
| Tobramycin | 10 | 13 | 12 |
| Vancomycin | 30 | 18 | 19 |
| Mannopeptimycin δ | 40 | 21 | 15 |
| Mannopeptimycin δ | 20 | 18 | 12 |
| Mannopeptimycin δ | 10 | 17 | 8 |
| Mannopeptimycin δ | 5 | 15 | No zone |
| Mannopeptimycin δ | 2.5 | 14 | No zone |
| Mannopeptimycin δ | 1.25 | 11 | No zone |
| Mannopeptimycin δ | 0.625 | 7 | No zone |
a
The zone of growth inhibition was determined by the agar diffusion method.
b
Two units.