Assessment of the antimicrobials GarKS, MP1, and PenG, individually and in combination (Com), against MRSA ATCC 33521-lux. (Left column) Pure GarKS and PenG, each at 50 μg, and MP1 at 0.1 μg were applied at the indicated spots. The images of the plates were taken after 24, 48, and 72 h of incubation at 37°C. (Right three columns) Sections of the inhibition zones showing resistance development, seen as small white dots in the inhibition zones of GarKS and MP1.