TABLE 1.
In vitro susceptibility of each GBS strain to four β-lactams determined by Etest
Genotype | MIC (μg/ml) of: |
|||
---|---|---|---|---|
Penicillin G | Ampicillin | Ceftriaxone | Cefepime | |
WT | 0.064 | 0.125 | 0.094 | 0.25 |
Δpbp1a | 0.032 | 0.032 | 0.064 | 0.19 |
Δpbp1b | 0.047 | 0.094 | 0.064 | 0.19 |
Δpbp2a | 0.064 | 0.125 | 0.064 | 0.25 |
Δpbp2b | 0.064 | 0.125 | 0.064 | 0.19 |