DNA, BacterialTritiumCentrifugation, Density GradientGenetics, MicrobialThymineThymidineNucleic Acid DenaturationRadiation EffectsEscherichia coliExtrachromosomal InheritancePhosphorus IsotopesCarbon IsotopesColiphagesDeoxyribonucleasesCesiumTransformation, GeneticChloramphenicolSequence Homology, Amino AcidDNA, ViralDNADNA NucleotidyltransferasesDNA, CircularCytosineBacillus subtilisUracilMutationSequence Homology, Nucleic AcidSucroseLysogenyMolecular Sequence DataDNA ReplicationAmino Acid SequenceRNA, BacterialDNA VirusesBase SequenceMitomycinsBacteriophagesGenesChromosomes, BacterialUltraviolet RaysUridineCulture MediaNalidixic AcidNucleic Acid HybridizationGuanineConjugation, GeneticMolecular WeightCloning, MolecularTemperatureBacterial ProteinsMicrococcusCentrifugation, ZonalNitrosoguanidinesNucleic Acid RenaturationHybridization, GeneticHot TemperatureDrug Resistance, MicrobialPlasmidsAcridinesR FactorsChromatographyStreptomycinEthidiumsrc Homology DomainsTransformation, BacterialGeneticsRadiation GeneticsMicroscopy, ElectronAdenineCulture TechniquesSequence HomologyMicropore FiltersDensitometryCytosine NucleotidesHaplorhiniRecombination, GeneticDNA Restriction EnzymesRifampinNucleotidesGenetic CodeChloridesCell-Free SystemFormamidesAutoradiographyChromosome MappingTransduction, GeneticHydroxyapatitesBacteriolysisStructural Homology, ProteinLeucineMethodsVirus CultivationCarbon RadioisotopesExonucleasesBromouracilAlkanesulfonatesSporesColicinsSpectrophotometryDiatrizoate