Base CompositionBase SequenceCytosineBase PairingGuanineDNA, BacterialBody CompositionNucleic Acid DenaturationIsochoresGC Rich SequenceDNACodonMolecular Sequence DataPhylogenyCentrifugation, Density GradientNucleic Acid ConformationNucleotidesPhosphorus IsotopesRNA, Ribosomal, 16SNucleic Acid HybridizationSequence Analysis, DNAEvolution, MolecularAT Rich SequenceDNA, RibosomalFatty AcidsSpecies SpecificityAdenineAcetobacteraceaeRNA, BacterialRNANucleic Acid RenaturationBacteriaGenome SizeGenetic CodeEscherichia coliSkull BaseMicrococcusHot TemperatureChromosomes, ArchaealAmino AcidsTemperatureMolecular WeightCytophagaOligonucleotidesSchiff BasesModels, GeneticProteusMutationDNA, MitochondrialThymineCarex PlantGenomeNarcissusDensitometryRNA, TransferHypotrichidaRNA, RibosomalSequence Homology, Nucleic AcidGenetic VariationChromatography, Thin LayerWater MicrobiologyTritiumElectrophoresis, PaperGenes, rRNAAmino Acid SequenceUracilSelection, GeneticDeoxyribonucleotidesProkaryotic CellsDNA, ViralPlantsPolydeoxyribonucleotidesOligodeoxyribonucleotidesElectrophoresisKineticsCesiumBiological EvolutionResearchMethodsElectrophoresis, Polyacrylamide GelSequence AlignmentIntronsGenesMicroscopy, ElectronChromatographyPolynucleotidesPhospholipidsUridineCattleRepetitive Sequences, Nucleic AcidGuanosineChemistryChemical PhenomenaCulture MediaGenome, MitochondrialAlphaproteobacteriaCorynebacteriumUltracentrifugationRibonucleasesCentrifugation, Zonal