DNA, BacterialTritiumCentrifugation, Density GradientGenetics, MicrobialThymidineThymineNucleic Acid DenaturationRadiation EffectsExtrachromosomal InheritancePhosphorus IsotopesCarbon IsotopesColiphagesEscherichia coliDeoxyribonucleasesCesiumTransformation, GeneticChloramphenicolDNA, ViralDNA NucleotidyltransferasesDNA, CircularCytosineUracilBacillus subtilisSucroseLysogenyDNA ReplicationDNAMitomycinsDNA VirusesRNA, BacterialMutationBacteriophagesUltraviolet RaysUridineNalidixic AcidChromosomes, BacterialCulture MediaGuanineConjugation, GeneticCentrifugation, ZonalMicrococcusGenesNitrosoguanidinesTemperatureNucleic Acid RenaturationAcridinesHybridization, GeneticRadiation GeneticsHot TemperatureDrug Resistance, MicrobialEthidiumStreptomycinR FactorsGeneticsAdenineChromatographyCulture TechniquesMolecular WeightNucleic Acid HybridizationTransformation, BacterialMicroscopy, ElectronDensitometryMicropore FiltersChloridesHaplorhiniCytosine NucleotidesBacterial ProteinsAutoradiographyNucleotidesBacteriolysisRifampinHydroxyapatitesFormamidesCell-Free SystemTransduction, GeneticVirus CultivationGenetic CodePlasmidsLeucineBromouracilExonucleasesCarbon RadioisotopesMethodsProteusRecombination, GeneticSporesThymine NucleotidesColicinsDeoxyribonucleotidesDiatrizoatePolynucleotidesSpectrophotometryAlkanesulfonatesNucleosidesDNA RepairChromatography, PaperEndonucleasesDNA, Single-StrandedPhosphotungstic AcidFloxuridine