TABLE 1

Sublethal doses of antibiotics used with test strains

Bacterial strainConcn (μg/ml)a
APCTXKMTETCPFXMitCTMPSMX
S. aureus640.5410.50.120.25128
B. cereus656480.060.50.1232128
E. faecalis40.5160.520.250.5128
E. coli (K-12)80.0180.060.0320.12128
E. coli (Crooks)40.0680.250.0140.03128
P. aeruginosa323212840.25464128
  • a AP, ampicillin; CTX, cefotaxime; KM, kanamycin; TET, tetracycline; CPFX, ciprofloxacin; MitC, mitomycin C; TMP, trimethoprim; SMX, sulfamethoxazole.