Photochemical ProcessesLightGenes, ReporterPromoter Regions, GeneticLuciferasesBase SequenceMolecular Sequence DataTranscription, GeneticGreen Fluorescent ProteinsTransfectionTranscription FactorsGene Expression RegulationCell LineTranscriptional Activationbeta-GalactosidaseDNA-Binding ProteinsLac OperonLuminescent ProteinsRNA, MessengerRecombinant Fusion ProteinsLuciferases, FireflyPlasmidsChloramphenicol O-AcetyltransferaseGenetic VectorsGene ExpressionArtificial Gene FusionMice, TransgenicResponse ElementsBinding SitesTransgenesEnhancer Elements, Genetic