aureus used in the
checkerboard assay. Strain Median MIC ([mu] g/ml) (range) Antibiotic CLI ERY GEN LVX OXA ATCC43300 8192 (512-1024) (64-256) 256 [less (8-16) 8 1024 than or equal to] 0.5 AQ004 8192 (512-1024) (16-32) 32 (16-64) (128-256) 1024 16 128 AQ006 (64-128) 512 (128-256) 128 (8-32) 2048 128 8 AQ007 (32-64) 32 (16-64) 64 128 (16-64) (256-512) 16 256 AQ012 16384 (1024-2048) (32-64) 64 32 (256-512) 1024 512 Clindamycin, erythromycin, gentamicin, levofloxacin and oxacillin were chosen for the drug-interaction assay, since they belong to different classes of antimicrobial agents, respectively, lincosamides, macrolides, aminoglycosides, quinolones and [beta]-lactams.