Lac OperonOperonLactoseLac RepressorsGalactosidasesEscherichia coliIsopropyl Thiogalactosidebeta-GalactosidaseEnzyme InductionGene Expression Regulation, BacterialEnzyme RepressionGenes, BacterialBacterial ProteinsNitrophenylgalactosidesBase SequenceMolecular BiologyTranscription, GeneticMolecular Sequence DataEscherichia coli ProteinsMutationDNA, BacterialGenes, RegulatorrRNA OperonOperator Regions, GeneticRepressor ProteinsCyclic AMP Receptor ProteinThiogalactosidesPromoter Regions, GeneticRNA, BacterialGenetics, MicrobialChromosomes, BacterialCloning, MolecularPlasmidsSalmonella typhimuriumBacteriophage muRNA, MessengerGenesGalactoseTransduction, GeneticMembrane Transport ProteinsColiphagesGene Expression RegulationGlycosidesGenetic CodeAmino Acid SequenceDNA Transposable ElementsChromosome MappingDNA, RecombinantModels, GeneticDNA-Directed RNA PolymerasesTranscription FactorsNucleic Acid ConformationBacillus subtilisCulture MediaGlucoseSpecies SpecificityKineticsStochastic ProcessesDNA-Binding ProteinsRestriction MappingPhenotypeCyclic AMPRecombination, GeneticGenetic Complementation TestLactose FactorsCells, CulturedMutagenesis, InsertionalEmbryonic InductionSignal TransductionModels, BiologicalSequence Analysis, DNACell LineArabinoseApoptosisMultigene FamilySequence Homology, Amino AcidTrans-ActivatorsGene ExpressionKluyveromycesTime FactorsDNA Restriction EnzymesRegulonSequence Homology, Nucleic AcidGene DeletionRecombinant Fusion ProteinsOpen Reading FramesProtein BindingSigma FactorBinding SitesConjugation, GeneticMice, Inbred C57BLGene Expression Regulation, EnzymologicBlotting, NorthernReverse Transcriptase Polymerase Chain ReactionLaccaseGenome, BacterialMembrane ProteinsProtein BiosynthesisDNA PrimersLysogeny