Nucleic Acid HybridizationDNA, BacterialNucleic Acid DenaturationTritiumDNA, ViralDNADNA ProbesCentrifugation, Density GradientRNA, ViralThymidineThymineGenetics, MicrobialBase SequenceRNA, BacterialEscherichia coliNucleic AcidsGammaretrovirusMethodsRadiation EffectsPhosphorus IsotopesCarbon IsotopesExtrachromosomal InheritanceColiphagesHybridization, GeneticDeoxyribonucleasesPeptide Nucleic AcidsOligonucleotide ProbesCesiumBiotinMicropore FiltersTransformation, GeneticDNA Restriction EnzymesIndicators and ReagentsChloramphenicolIn Situ HybridizationRetroviridaeCloning, MolecularSpecies SpecificityPolymerase Chain ReactionMolecular Sequence DataCytosineUracilFluorescent DyesDNA, CircularRNA-Directed DNA PolymeraseIn Situ Hybridization, FluorescenceGenes, ViralDNA NucleotidyltransferasesBacillus subtilisSucroseDNA ReplicationLysogenyMutationRNAAntigens, ViralTemperatureCell LineNucleic Acid ConformationDNA VirusesMitomycinsBacteriophagesUridineHot TemperatureUltraviolet RaysCulture MediaGuanineChromosomes, BacterialPlasmidsGenesNalidixic AcidNucleic Acid RenaturationConjugation, GeneticMicrococcusCentrifugation, ZonalAcridinesNitrosoguanidinesEthidiumAdenineMolecular WeightDrug Resistance, MicrobialRNA, MessengerChromatographyStreptomycinMicroscopy, ElectronCulture TechniquesRadiation GeneticsGeneticsR FactorsNucleic Acid ProbesBacterial ProteinsNucleotidesTransformation, BacterialKineticsAutoradiographyDensitometryDNA, Single-StrandedCytosine NucleotidesHaplorhiniFormamidesPolynucleotides