Table 1 Minimum inhibitory concentration (MIC) of oxacillin and NPPB against MRSA strains

From: Restoration of Oxacillin susceptibility in MRSA strains by NPPB

Strains

Characteristics

MIC (Oxacillin)

Outcome (FICI)

ATCC 33591

Staphylococcus aureus

64 μg/mL

Synergistic (0.1562)

NCTC10442

Staphylococcus aureus (Scc mec type I)

8 μg/mL

Synergistic (0.3125)

N315

Staphylococcus aureus (Scc mec type II)

4 μg/mL

Synergistic (0.1875)

CNU-2601

Staphylococcus aureus (Clinical strains)

32 μg/mL 

Synergistic (0.2656)

CNU-2617

Staphylococcus aureus (Clinical strains)

8 μg/mL

Synergistic (0.3125)

  1. MIC (Oxacillin): minimum inhibitory concentration of oxacillin against MRSA strains when used alone. FICI ≤ 0.5 indicates a synergistic effect.