Table 4.
Synergy of gentamicin and SEQ-914 against MRSA-295 biofilms in CAMHB
| Treatment group | Concn (μg/ml)a | Log10 no. of CFU/biofilm (mean ± SD)b | Log reduction |
|---|---|---|---|
| Pretreatmentc | 8.24 ± 0.29 | ||
| Untreated control | 9.34 ± 0.07 | ||
| GEN | 2 | 9.03 ± 0.07 | −0.79 |
| 4 | 7.99 ± 0.08 | 0.25 | |
| 8 | 6.11 ± 0.21 | 2.14 | |
| 16 | 3.87 ± 0.64 | 4.37 | |
| SEQ-914 | 16 | 8.57 ± 0.06 | −0.33 |
| 32 | 5.86 ± 0.53 | 2.39 | |
| GEN–SEQ-914 | 0.5; 8d | 5.79 ± 1.01 | 2.45 |
| 1; 4 | 7.50 ± 0.17 | 0.75 | |
| 1; 8 | 4.44 ± 0.69 | 3.81 | |
| 2; 2 | 7.15 ± 0.48 | 1.10 | |
| 2; 4 | 6.70 ± 0.28 | 1.55 | |
| 2; 8 | 3.59 ± 0.42 | 4.66 |
Biofilm assay concentration.
A minimum of two independent experiments were performed, with three wells per experiment. Data are reported as averages (n = 6 as a minimum) for these experiments.
This is the biofilm at 5 h prior to treatment.
GEN and SEQ-914 concentrations, respectively.