FeedbackFeedback, PhysiologicalFeedback, PsychologicalFeedback, SensoryModels, BiologicalCLOCK ProteinsCircadian RhythmSignal TransductionBiological ClocksPeriod Circadian ProteinsCryptochromesMolecular Sequence DataARNTL Transcription FactorsCircadian ClocksTranscription FactorsGene Expression RegulationTranscription, GeneticComputer SimulationMutationAmino Acid SequenceDrosophila ProteinsProtein BindingPhosphorylationPromoter Regions, GeneticBiofeedback, PsychologyLoop of HenleBase SequenceNuclear ProteinsRNA, MessengerCell LineMicroRNAsModels, MolecularGene Regulatory NetworksBinding SitesDNA-Binding ProteinsGene Expression Regulation, DevelopmentalCell Line, TumorRepressor ProteinsProto-Oncogene Proteins c-mdm2Protein Structure, TertiaryCells, CulturedTime FactorsStochastic ProcessesKnowledge of Results (Psychology)OscillometryHomeostasisDrosophilaSuprachiasmatic NucleusTrans-ActivatorsRNA InterferenceFlavoproteinsCell Cycle ProteinsModels, GeneticBasic Helix-Loop-Helix Transcription FactorsModels, TheoreticalKineticsArabidopsis ProteinsArabidopsisHomeodomain ProteinsEnzyme ActivationDown-RegulationGenes, SwitchPhotoreceptor Cells, InvertebrateMice, KnockoutTumor Suppressor Protein p53Gene Expression Regulation, PlantCell DifferentiationCell ProliferationHEK293 CellsAutocrine CommunicationIntracellular Signaling Peptides and ProteinsLightBlotting, WesternProtein Structure, SecondaryTransfectionNeuronsMice, Inbred C57BLGene Expression Regulation, FungalReverse Transcriptase Polymerase Chain ReactionPeriodicityRecombinant Fusion ProteinsNeurosporaSystems BiologyBody PatterningRNA, Small InterferingMembrane ProteinsTranscriptional ActivationMutagenesis, Site-DirectedAlgorithmsHedgehog ProteinsGene Expression Regulation, BacterialProtein-Serine-Threonine KinasesSequence Homology, Amino AcidDrosophila melanogasterCircadian Rhythm Signaling Peptides and ProteinsPhenotypeMeristemPhotoperiodMice, TransgenicMAP Kinase Signaling System