title: Induced variations in microorganisms. 3. Genetic transfer between intact cells of the mutants of Rhizobium trifolii.
mesh_terms: D003227:Conjugation, Genetic; D004352:Drug Resistance, Microbial; D014644:Genetic Variation; D009154:Mutation; D011830:Radiation Effects; D011995:Recombination, Genetic; D012231:Rhizobium / Q000187:drug effects / Q000378:metabolism / Q000528:radiation effects; D013307:Streptomycin / Q000494:pharmacology; D014466:Ultraviolet Rays
chemical_list: D013307:Streptomycin