RNA, RibosomalDNA, RibosomalRNA Polymerase ITranscription, GeneticCell NucleolusGenes, rRNARNA, Ribosomal, 16STranscription FactorsPhylogenyMolecular Sequence DataSequence Analysis, DNADNA, BacterialRNA, Ribosomal, 28SRNA, Ribosomal, 18SBase SequenceRNA, BacterialPromoter Regions, GeneticGene Expression RegulationBase CompositionDNA, Ribosomal SpacerPolymerase Chain ReactionRNA, Ribosomal, 5SRNA, MessengerBacteriaNucleic Acid HybridizationSpecies SpecificityDNA-Binding ProteinsDNA, FungalSp1 Transcription FactorTranscriptional ActivationCell LineRNA, Ribosomal, 23SNuclear ProteinsBinding SitesTrans-ActivatorsNucleolus Organizer RegionProtein BindingMyxozoaDNARepressor ProteinsCell NucleusSequence Homology, Nucleic AcidrRNA OperonMutationTransfectionAmino Acid SequenceDNA PrimersPolymorphism, Restriction Fragment LengthGenes, ReporterSignal TransductionPlasmidsCloning, MolecularFatty AcidsHeLa CellsTranscription Initiation SiteRNA Polymerase IISeawaterCells, CulturedTranscription Factor AP-1PhenotypeDNA, ProtozoanRegulatory Sequences, Nucleic AcidChromatinGeologic SedimentsSoil MicrobiologyReverse Transcriptase Polymerase Chain ReactionHistonesDNA-Directed RNA PolymerasesChromatin ImmunoprecipitationSaccharomyces cerevisiaeEnhancer Elements, GeneticGenesNucleic Acid ConformationPol1 Transcription Initiation Complex ProteinsBacterial ProteinsHomeodomain ProteinsCluster AnalysisLuciferasesGene Expression Regulation, DevelopmentalSTAT3 Transcription FactorEvolution, MolecularBacterial Typing TechniquesGene ExpressionBasic Helix-Loop-Helix Transcription FactorsGene Expression Regulation, BacterialRecombinant Fusion ProteinsEscherichia coliGene Expression Regulation, FungalGene Expression Regulation, EnzymologicTranscription Factor TFIIDActinomycetalesGenes, BacterialRestriction MappingSaccharomyces cerevisiae ProteinsNF-kappa BSequence AlignmentTranscription Factors, TFIITumor Cells, CulturedOperonElectrophoretic Mobility Shift Assay