title: R124, an fi R factor of a new compatibility class.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D002999:Clone Cells / Q000187:drug effects; D003433:Crosses, Genetic; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects; D005111:Extrachromosomal Inheritance; D005827:Genetics, Microbial; D008826:Microbial Sensitivity Tests; D009154:Mutation; D011995:Recombination, Genetic; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D013752:Tetracycline