Oligonucleotide ProbesDNA ProbesBase SequenceNucleic Acid HybridizationMolecular Sequence DataOligonucleotidesOligonucleotide Array Sequence AnalysisMolecular Probe TechniquesRNA, Ribosomal, 16SPolymerase Chain ReactionCloning, MolecularDNAAmino Acid SequenceIn Situ Hybridization, FluorescenceRNA, BacterialSequence Homology, Nucleic AcidOligodeoxyribonucleotidesDNA, BacterialOligonucleotides, AntisenseDigoxigeninRNA, MessengerRNA ProbesMolecular ProbesSensitivity and SpecificityGenes, BacterialDNA, RibosomalBlotting, SouthernSpecies SpecificityFluorescent DyesRestriction MappingSequence Analysis, DNABacteriaDNA PrimersRNA, Ribosomal, 18SIn Situ HybridizationPhylogenyGenesRNA, RibosomalEscherichia coliSewageRNA, Ribosomal, 23SBlotting, NorthernPlanktonGene Expression ProfilingNucleic Acid ProbesWater MicrobiologyCytophagaTranscription, GeneticNucleic Acid ConformationSulfur-Reducing BacteriaGene LibraryRNAColony Count, MicrobialEnvironmental MicrobiologyWaste Disposal, FluidGene ExpressionOligoribonucleotidesNucleic Acid DenaturationSequence AlignmentFluoresceinMutationPlasmidsDNA Restriction EnzymesFresh WaterGene Expression RegulationBetaproteobacteriaDNA, ComplementaryEvaluation Studies as TopicPhosphorothioate OligonucleotidesSequence Homology, Amino AcidAllelesGenetic VariationBinding SitesOligodeoxyribonucleotides, AntisenseEcosystemCodonBase Pair MismatchPromoter Regions, GeneticDNA-Binding ProteinsCarbocyaninesSeawaterBacterial ProteinsGene AmplificationMultigene FamilyCattleNitrosomonasCell LineBacterial ToxinsChromosome MappingGenotypeReproducibility of ResultsAzospirillumPolymorphism, Restriction Fragment LengthLegionellaceaeGenes, rRNAMolecular WeightFecesDNA, FungalGenetic TechniquesSequence Analysis