TABLE 1

Antibiotic resistance profile of the parental strains and selected transconjugants

StrainResistance traitsaOrigin (reference)
C68Ampr, Vanr, Eryr, Tetr, Strr, GenrClinical isolate (13)
D344RRFAmpr,b Rifr, Fusr, Eryr, Tetr, Strr, KanrDerived from clinical isolate D344R (22)
TransconjugantsAmpr, Vanr, Rifr, Fusr, Eryr, Tetr, Strr, KanrTransconjugants obtained from mating C68 and D344RRF during this work
  • a Amp, ampicillin; Van, vancomycin; Ery, erythromycin; Tet, tetracycline; Str, streptomycin; Gen, gentamicin; Rif, rifampin; Fus, fusidic acid; Kan, kanamycin. Boldface indicates the parental antibiotic resistance genotype that was acquired by the transconjugants.

  • b Intermediate resistance levels.