RNA, RibosomalRNA, Ribosomal, 16SRNA, BacterialGenes, rRNADNA, RibosomalPhylogenyMolecular Sequence DataBase SequenceRNARNA, Ribosomal, 23SRNA, Ribosomal, 28SDNA, BacterialRNA, Ribosomal, 18SNucleic Acid ConformationSequence Analysis, DNARNA, Small InterferingRNA, ViralRNA, Ribosomal, 5SBase CompositionrRNA OperonNucleic Acid HybridizationSpecies SpecificityBacteriaRibosomesSequence Homology, Nucleic AcidRNA SplicingRNA EditingRNA Processing, Post-TranscriptionalRNA, FungalPolymerase Chain ReactionSequence Analysis, RNACell NucleolusRNA PrecursorsEscherichia coliRNA, TransferRNA, ProtozoanDNA-Directed RNA PolymerasesRNA, Ribosomal, 5.8SSoil MicrobiologyRNA, ArchaealWater MicrobiologyRNA, MessengerRibonuclease T1RNA Polymerase IBacterial Typing TechniquesRibosomal ProteinsTranscription, GeneticRNA VirusesCytophagaEubacteriumOligonucleotide ProbesRNA InterferenceArchaeaSeawaterDNA, Ribosomal SpacerDNA Primers