Circadian RhythmTranscription FactorsTranscription, GeneticSleep Disorders, Circadian RhythmPeriod Circadian ProteinsSuprachiasmatic NucleusCircadian Rhythm Signaling Peptides and ProteinsCLOCK ProteinsBiological ClocksCircadian ClocksARNTL Transcription FactorsPhotoperiodChronobiology DisordersMelatoninGene Expression RegulationActivity CyclesLightDarknessJet Lag SyndromeRNA, MessengerPromoter Regions, GeneticCryptochromesMolecular Sequence DataNuclear ProteinsBase SequenceSp1 Transcription FactorTrans-ActivatorsBody TemperatureTranscriptional ActivationDNA-Binding ProteinsBasic Helix-Loop-Helix Transcription FactorsMutationPeriodicitySleepBinding SitesMotor ActivityCell LineNuclear Receptor Subfamily 1, Group D, Member 1Pineal GlandProtein BindingAmino Acid SequenceRepressor ProteinsTranscription Initiation SiteSignal TransductionDNAGenes, ReporterCell NucleusLuciferasesTime FactorsPhototherapyRNA Polymerase IIDrosophila ProteinsTransfectionTranscription Factor AP-1Models, BiologicalCasein Kinase IepsilonSTAT3 Transcription FactorReverse Transcriptase Polymerase Chain ReactionHeLa CellsCells, CulturedChronotherapyGene Expression Regulation, DevelopmentalCloning, MolecularGene ExpressionTranscription Factors, TFIIGene Expression Regulation, BacterialBasic-Leucine Zipper Transcription FactorsTranscription Factor TFIIDPlasmidsGene Expression ProfilingMice, Inbred C57BLLightingFlavoproteinsDNA-Directed RNA PolymerasesChronobiology PhenomenaChromatin ImmunoprecipitationHomeodomain ProteinsReverse TranscriptionRecombinant Fusion ProteinsRegulatory Sequences, Nucleic AcidGene Expression Regulation, FungalGene Expression Regulation, PlantDrosophilaPhosphorylationHydrocortisoneWakefulnessForkhead Transcription FactorsTranscription Factor TFIIBBacterial ProteinsEnhancer Elements, GeneticArylalkylamine N-AcetyltransferaseDrosophila melanogasterChromatinFeedback, PhysiologicalOligonucleotide Array Sequence AnalysisCell Cycle ProteinsTranscription Factor AP-2Behavior, AnimalMice, KnockoutCell Differentiation