TABLE 1.

Bacterial strains used in this study

Bacterial strainRelevant antibiotic resistanceaDescriptionReference
E. faecalis strains
    OG1RF (wild type)Rif25 Fus25Parental OG1RF strain16
    OG1RFΔatnRif25 Fus25Strain OG1RF with an in-frame deletion of atn16
    OG1RFΔsrtARif25 Fus25OG1RF with an in-frame deletion of srtA16
    OG1RFΔsrtAcRif25 Fus25 Kan500Complemented strain OG1RFΔsrtA expressing a wild-type copy of srtA from the rofA promoter on pABG516
    OG1RFΔgelERif25 Fus25OG1RF with an in-frame deletion of gelE70
E. coli UTI89Uropathogenic E. coli cystitis isolate44
  • a The superscript numbers indicate the concentrations (in μg/ml) of antibiotics to which the strains are resistant. Rif, rifampin; Fus, fusidic acid; Kan, kanamycin.