Table 2.
Synergistic activity of FC04–100 with the combination cefalexin:kanamycin
MIC (μg/mL) | |||||
---|---|---|---|---|---|
Species and strains | CEF | KAN | CEF:KANa | CEF:KAN (+FC)b | Foldc |
S. aureus MRSA USA100 ATCC BAA-41 | 256 | 256 | 128:86 | 4:3 | 32 |
S. aureus MRSA USA300 ATCC BAA-1556 | 256 | > 1024 | 256:171 | 8:6 | 32 |
S. aureus MRSA COL | 256 | 4 | 4:3 | 0.5:0.35 | 8 |
Abbreviations: CEF cefalexin, KAN kanamycin, FC FC04–100
aCEF:KAN was used at a proportion of 3:2
bFC04–100 was used at a sub-MIC of 4 μg/mL
cThe fold increase in susceptibility is the ratio of the MIC of CEF:KAN alone vs CEF:KAN in the presence of FC04–100