viomycin-resistant strains isolated from mycobacterium smegmatis demonstrated pleiotropic resistance to tuberactinomycin-n , capreomycin , streptomycin , and kanamycin as a result of mutational alteration of ribosomes , even though they were selected for resistance to a single antibiotic .
C0042697
viomycin
C0014405
tuberactinomycin-n