TABLE 2 

MICs, MSCs, and relative fitness values for the different strains useda

StrainResistanceFitnessArseniteCu(II) sulfateTetTrmEryKan
MSC (µM)MIC (µM)MSC (ng/ml)MIC (ng/ml)MSC (ng/ml)MIC (ng/ml)MSC (ng/ml)MIC (ng/ml)MSC (µg/ml)MIC (µg/ml)MSC (µg/ml)MIC (µg/ml)
DA5438None (wt)1.0NA12,500NA1,300NA750NA190NA12NA0.75
DA25916pUUH239.20.969025,00090>80,0004524,00033>32,0003960.4724
DA28759tetRA0.99NANANANA3048,000NANANANANANA
DA28702dhfr1.0NANANANANANA<2>32,000NANANANA
DA28706mph1.0NANANANANANANANA<0.2>256NANA
  • a Abbreviations: MSC, minimal selective concentration; Tet, tetracycline; Trm, trimethoprim; Ery, erythromycin; Kan, kanamycin; NA, not applicable; wt, wild type.