TABLE 4.
Comparison of antibiotic susceptibilities among VRSA strains and their derivaties
| Strain | MIC (mg/liter)a
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vancomycin
|
Teicoplanin
|
Imipemem
|
Oxacillin
|
|||||||||
| O | P | PR | O | P | PR | O | P | PR | O | P | PR | |
| Mu50 | 9 | 2 | 7 | 13 | 7 | 16 | 26 | 58 | 29 | 512 | 512 | 512 |
| MI | 10 | 2 | 7 | 24 | 2 | 9 | 55 | 43 | 64 | 512 | 256 | 512 |
| NJ | 7 | 3 | 5 | 13 | 8 | 12 | 5 | 56 | 58 | 64 | 512 | 512 |
| PC | 8 | 3 | 7 | 8 | 3 | 9 | 1 | 2 | 1 | 4 | 2 | 8 |
| IL | 7 | 2 | 6 | 9 | 4 | 7 | 4 | 3 | 18 | 64 | 256 | 512 |
| AMC11094 | 8 | 2 | 7 | 14 | 9 | 16 | 22 | 50 | 1 | 512 | 256 | 1 |
| 99/3759-V | 6 | 2 | 6 | 29 | 12 | 32 | 51 | 34 | 55 | 512 | 512 | 256 |
| 99/3700-W | 6 | 2 | 5 | 6 | 2 | 16 | 13 | 39 | 1 | 512 | 512 | 32 |
| 98141 | 5 | 3 | 5 | 7 | 9 | 6 | 64 | 55 | 32 | 512 | 256 | 256 |
| LIM2 | 5 | 2 | 6 | 13 | 2 | 9 | 1 | 4 | 12 | 32 | 128 | 128 |
| 28160 | 5 | 2 | 5 | 11 | 2 | 6 | 1 | 58 | 13 | 128 | 512 | 256 |
| BR1 | 9 | 2 | 9 | 10 | 3 | 12 | 14 | 1 | 28 | 256 | 256 | 512 |
| BR2 | 9 | 2 | 14 | 3 | 1 | 1 | 64 | 16 | ||||
| BR3 | 9 | 3 | 7 | 14 | 7 | 16 | 4 | 52 | 1 | 64 | 512 | 8 |
| BR4 | 6 | 3 | 6 | 16 | 2 | 7 | 24 | 34 | 33 | 512 | 512 | 512 |
| BR5-1 | 9 | 3 | 8 | 14 | 2 | 12 | 17 | 1 | 24 | 512 | 64 | 256 |
| Mu3 | 2 | 17 | 64 | 1,024 | ||||||||
| H1 | 2 | 6 | 50 | 512 | ||||||||
| FDA209P | 1 | 2 | 1 | 0.25 | ||||||||
| N315 | 1 | 2 | 2 | 16 | ||||||||
| ATCC 29213 | 1 | 2 | 1 | 0.25 | ||||||||
| BR18 | 2 | 4 | NDb | ND | ||||||||
| BR22 | 2 | 9 | ND | ND | ||||||||
a
O, P, and PR, parental strains, passage-derived strains, and vancomyin-resistant mutant strains, respectively.
b
ND, not determined.