TritiumRegulatory Sequences, Nucleic AcidRNA, BacterialCentrifugation, Density GradientGenetics, MicrobialCarbon IsotopesPhosphorus IsotopesUridineDNA, BacterialUracilEscherichia coliThymineThymidineChloramphenicolNucleic Acid DenaturationColiphagesRNABase SequenceUracil NucleotidesRNA, TransferRibonucleasesMutationSucroseDNARadiation EffectsRNA, RibosomalRNA, MessengerDeoxyribonucleasesBacillus subtilisCesiumRifampinExtrachromosomal InheritanceRNA NucleotidyltransferasesDactinomycinChromatographyCell-Free SystemGenesGenes, RegulatorTransformation, GeneticDNA, ViralLeucineMolecular Sequence DataCulture MediaTranscription, GeneticAmino Acyl-tRNA SynthetasesPromoter Regions, GeneticCytosine NucleotidesGenetic CodeCulture TechniquesNucleic Acid HybridizationTemperatureBacterial ProteinsRNA, ViralLysogenyNitrosoguanidinesRibosomesCytosineDNA VirusesCentrifugation, ZonalElectrophoresis, DiscAdenineDNA NucleotidyltransferasesSporesHot TemperatureHybridization, GeneticEnhancer Elements, GeneticPolynucleotidesDNA ReplicationBacteriophagesNucleotidesDNA-Directed RNA PolymerasesMolecular WeightOrotic AcidVirus CultivationGene Expression RegulationMitomycinsCarbon RadioisotopesGalactosidasesNalidixic AcidChromatography, PaperGuanineMicropore FiltersChemical PrecipitationDNA, CircularChromosomes, BacterialPlasmidsPuromycinUltraviolet RaysBinding SitesTranscription FactorsMicrococcusAmino AcidsSpectrophotometryChromatography, DEAE-CelluloseAcridinesMethodsMethionineProtein BiosynthesisAcrylatesStreptomycin