title: Molecular studies of an fi+ plasmid from strains of Salmonella typhimurium.
mesh_terms: D000667:Ampicillin; D002499:Centrifugation, Density Gradient; D002701:Chloramphenicol; D004269:DNA, Bacterial / Q000032:analysis*; D004270:DNA, Circular / Q000032:analysis*; D004926:Escherichia coli / Q000032:analysis; D005111:Extrachromosomal Inheritance; D005815:Genetic Code; D007612:Kanamycin; D009154:Mutation; D009690:Nucleic Acid Conformation; D010403:Penicillin Resistance; D011995:Recombination, Genetic; D012483:Salmonella Phages / Q000032:analysis; D012486:Salmonella typhimurium / Q000032:analysis*; D013045:Species Specificity; D013307:Streptomycin; D013449:Sulfonamides; D013752:Tetracycline; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D004270:DNA, Circular; D013449:Sulfonamides; D014316:Tritium; D007612:Kanamycin; D002701:Chloramphenicol; D000667:Ampicillin; D013752:Tetracycline; D013307:Streptomycin