RNA, RibosomalRNA, Ribosomal, 18SRibosome Subunits, SmallPhylogenyDNA, RibosomalRNA, Ribosomal, 16SRNA, ProtozoanDNA, ProtozoanBase SequenceMolecular Sequence DataGenes, rRNASequence Analysis, DNACiliophoraPolymerase Chain ReactionAcanthamoebaNucleic Acid ConformationProtozoan Infections, AnimalPlasmodium ovaleDiplomonadidaRNA, BacterialSpecies SpecificityDNA, MitochondrialFish DiseasesBacteriaRNA, Ribosomal, 28SRNADNA PrimersEukaryotaDNA, BacterialRNA, Ribosomal, 5SSequence Homology, Nucleic AcidNucleic Acid HybridizationGenesBase CompositionDNA, Ribosomal SpacerTranscription, GeneticSequence AlignmentRNA Polymerase IRibulose-Bisphosphate CarboxylaseRNA, TransferRNA, Ribosomal, 23SDNA Restriction EnzymesBacterial Typing TechniquesGenetic VariationRNA, Ribosomal, 5.8SRNA, FungalAmino Acid SequenceEscherichia coliCell NucleolusRibosomesRNA, ViralCloning, MolecularRNA, Small InterferingTetrahymenaRNA SplicingTranscription Factor TFIIIAPhysarumDNA-Directed RNA PolymerasesDNASoil MicrobiologyDNA, FungalRNA, MessengerRNA EditingMutationGenes, BacterialRNA, Small NuclearProtein SubunitsRNA Processing, Post-TranscriptionalRibosomal ProteinsSeawaterPolymorphism, Restriction Fragment LengthPlasmidsSequence Analysis, RNATrichomonadidaEvolution, MolecularMetagenomeMolecular WeightGenome, MitochondrialCluster AnalysisMacromolecular SubstancesSaccharomyces cerevisiaeChloroplastsNucleolus Organizer RegionPol1 Transcription Initiation Complex ProteinsPlantsRestriction MappingDNA, RecombinantFatty AcidsParomomycinArchaeaBradyrhizobiaceaePromoter Regions, GeneticBiological EvolutionRNA PrecursorsRepetitive Sequences, Nucleic AcidSingle-Strand Specific DNA and RNA EndonucleasesGeologic SedimentsInternetKineticsBiodiversity