The isolation and properties of non-restricting mutants of two different host specificities associated with drug resistance factors.
D003090:Coliphages; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects; D005827:Genetics, Microbial; D009154:Mutation; D010641:Phenotype; D013307:Streptomycin / Q000494:pharmacology; D013449:Sulfonamides / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology
D013449:Sulfonamides; D013752:Tetracycline; D013307:Streptomycin