Sequence Analysis, DNABase SequencePhylogenyMolecular Sequence DataAmino Acid SequenceModels, GeneticSequence AlignmentGenetic VariationAlgorithmsPolymerase Chain ReactionNucleic Acid HybridizationEvolution, MolecularComputational BiologyRNA, ViralSequence AnalysisCloning, MolecularRNA, Ribosomal, 16SDNA, BacterialSequence Homology, Nucleic AcidDNA, RibosomalSequence Homology, Amino AcidGenes, BacterialRestriction MappingBase CompositionBacterial ProteinsOpen Reading FramesGenes, rRNASequence Analysis, ProteinDNAMutationSpecies SpecificityBacterial Typing TechniquesEscherichia coliDNA, ComplementaryPlasmidsDNA PrimersMultigene FamilyGenesDNA, Ribosomal SpacerRNA, BacterialRNA, MessengerChromosome MappingSequence HomologyBlotting, SouthernGene LibraryTranscription, GeneticPhenotypeSoil MicrobiologyRepetitive Sequences, Nucleic AcidGenome, ViralMolecular WeightDNA Restriction EnzymesSequence Analysis, RNAConserved SequenceDNA Transposable ElementsDNA, ViralCluster AnalysisExonsDNA, FungalGenes, ViralElectrophoresis, Polyacrylamide GelGenotypeDNA Mutational AnalysisGenetic Complementation TestFatty AcidsBlotting, NorthernPolymorphism, Restriction Fragment LengthMutagenesis, InsertionalPeptide FragmentsBinding SitesGenomic LibraryPromoter Regions, GeneticCodonChromatography, High Pressure LiquidIntronsRecombinant ProteinsOligonucleotide ProbesCattleOperonCell LineViral ProteinsPoint MutationSeawaterAllelesGene ExpressionActinomycetalesMultilocus Sequence TypingRecombination, GeneticAmino AcidsGene Expression Regulation, BacterialGenes, FungalTrypsinConsensus SequenceReverse Transcriptase Polymerase Chain ReactionCyanogen BromideRNAAlphaproteobacteriaNucleic Acid ConformationWater MicrobiologyProteins