LuciferasesLuminescent MeasurementsLuminescenceLuciferases, FireflyFirefly LuciferinFirefliesLuminescent AgentsBioluminescence Resonance Energy Transfer TechniquesLuciferases, RenillaLuciferases, BacterialRenillaGenes, ReporterAliivibrio fischeriPhotobacteriumVibrioLuminescent ProteinsWhole Body ImagingBeetlesMolecular ImagingPromoter Regions, GeneticEnergy TransferCell TrackingAequorinDiagnostic ImagingDodecanolTransfectionCell Line, TumorCopepodaCnidariaCell LineDinoflagellidaPhotonsTomography, OpticalMolecular Sequence DataFluorescence Resonance Energy TransferVibrionaceaeBase SequencePeriod Circadian ProteinsRecombinant Fusion ProteinsGene Expression RegulationMice, TransgenicPhotorhabdusMice, NudeCircadian RhythmPlasmidsTranscription, GeneticHEK293 CellsAdenosine TriphosphateGreen Fluorescent ProteinsGenetic VectorsScyphozoaBiosensing TechniquesCavesArrestinsProtein Binding