OperonPromoter Regions, GeneticBase SequenceMolecular Sequence DataTranscription, GeneticGene Expression Regulation, BacterialBacterial ProteinsGenes, BacterialDNA-Binding ProteinsLac OperonGene Expression RegulationEscherichia colirRNA OperonCloning, MolecularBinding SitesTranscription FactorsGenes, ReporterAmino Acid SequenceMutationRNA, MessengerRepressor ProteinsDNA MethylationDNA, BacterialTranscription Initiation SiteRegulatory Sequences, Nucleic AcidRestriction MappingSp1 Transcription FactorElectrophoretic Mobility Shift AssayTranscriptional ActivationDNA FootprintingGenes, RegulatorSequence Homology, Nucleic AcidPlasmidsProtein BindingSequence Analysis, DNATransfectionDNACell LineTrans-ActivatorsResponse ElementsLuciferasesChloramphenicol O-Acetyltransferasebeta-GalactosidaseEscherichia coli ProteinsGenesTATA BoxCpG IslandsDNA Primers5' Flanking RegionNuclear ProteinsDeoxyribonuclease IGene Expression Regulation, EnzymologicBacillus subtilisSequence DeletionRNA, BacterialChromatin ImmunoprecipitationDNA-Directed RNA PolymerasesRecombinant Fusion ProteinsPolymerase Chain ReactionEnhancer Elements, GeneticChromosome MappingConsensus SequenceExonsArtificial Gene FusionGene ExpressionMultigene FamilySigma FactorHeLa CellsGene DeletionReverse Transcriptase Polymerase Chain ReactionMutagenesis, InsertionalIntronsSequence AlignmentTumor Cells, CulturedGenotypePolymorphism, GeneticGenetic Complementation TestDNA Mutational AnalysisGene SilencingRegulonModels, GeneticCell Line, TumorMutagenesis, Site-DirectedDNA Transposable ElementsSequence Homology, Amino AcidCells, CulturedOpen Reading FramesAllelesHistonesChromatinConserved SequenceBlotting, NorthernOperator Regions, GeneticEpigenesis, GeneticNucleic Acid ConformationGenetic VectorsGene Expression Regulation, ViralDNA Restriction EnzymesGene Expression Regulation, Neoplastic5' Untranslated Regions