Cyclic AMP Receptor ProteinReceptors, Cyclic AMPCyclic AMPEscherichia coliGene Expression Regulation, BacterialOperonEscherichia coli ProteinsBacterial ProteinsDNA-Directed RNA PolymerasesBase SequencePromoter Regions, GeneticLac OperonGalactoseDNA, BacterialMolecular Sequence DataPectobacterium chrysanthemiTranscription, GeneticGenes, BacterialDNA Footprintingbeta-GalactosidaseBinding SitesPlasmidsRegulonMutationProtein BindingCarrier ProteinsLactoseSigma FactorMutagenesis, InsertionalAmino Acid SequenceGenes, RegulatorElectrophoretic Mobility Shift AssayAllosteric RegulationDNA-Binding ProteinsRepressor ProteinsAraC Transcription FactorProtein ConformationGene DeletionArabinoseAnaerobiosisTrans-ActivatorsDictyosteliumAdenylate CyclaseCloning, MolecularKineticsTranscription FactorsModels, MolecularTranscriptional ActivationElectrophoresis, Polyacrylamide GelGlucoseDNASalmonella typhimuriumBucladesineRestriction MappingGenetic Complementation TestGene Expression Regulation