TABLE 1.

Bacterial strains used in this study

Bacterial strainResistance phenotypeaSource or reference
C. difficile
    CD51Emr, Tcs, RifsThis study
    630Emr, Tcr, Rifs 30
    C191Emr, Tcr, Rifs 27
    F17Emr, Tcr, Rifs 27
    CD37Ems, Tcs, Rifr 25
B. fibrisolvens
    2221REms, Tcs, Rifr 1
    1.230Ems, Tcr, Rifs 23
B. fibrisolvens transconjugants
    RE1Emr, Tcs, RifrThis study (CD51 × 2221R)
    bTE1Emr, Tcr, RifsThis study (RE1 × 1.230)
  • a Emr, erythromycin resistant; Ems, erythromycin sensitive; Tcr, tetracycline resistant; Tcs, tetracycline sensitive; Rifr, rifampicin resistant; Rifs, rifampicin sensitive.