Lac OperonOperonLactoseLac RepressorsGalactosidasesEscherichia coliIsopropyl Thiogalactosidebeta-GalactosidaseGene Expression Regulation, BacterialEnzyme RepressionGenes, BacterialBacterial ProteinsNitrophenylgalactosidesBase SequenceMolecular Sequence DataMolecular BiologyMutationEscherichia coli ProteinsTranscription, GeneticDNA, BacterialGenes, RegulatorrRNA OperonOperator Regions, GeneticThiogalactosidesRepressor ProteinsCyclic AMP Receptor ProteinEnzyme InductionRNA, BacterialCloning, MolecularGenetics, MicrobialAmino Acid SequencePromoter Regions, GeneticChromosomes, BacterialPlasmidsGalactoseSalmonella typhimuriumGenesBacteriophage muCell Adhesion MoleculesMembrane Transport ProteinsTransduction, GeneticColiphagesGlycosidesRNA, MessengerGenetic CodeNucleic Acid ConformationDNA Transposable ElementsChromosome MappingDNA, RecombinantKineticsModels, GeneticGene Expression RegulationDNA-Directed RNA PolymerasesSpecies SpecificityProtein BindingBacillus subtilisCulture MediaGlucoseBinding SitesRestriction MappingPhenotypeStochastic ProcessesModels, BiologicalTranscription FactorsRecombination, GeneticGenetic Complementation TestCell LineCyclic AMPSmall Molecule LibrariesSequence Homology, Amino AcidLactose FactorsSequence Analysis, DNAModels, MolecularDNA-Binding ProteinsSignal TransductionMutagenesis, InsertionalCells, CulturedArabinoseRecombinant Fusion ProteinsRecombinant ProteinsProtein ConformationMultigene FamilyMembrane ProteinsInterferon InducersDNA Restriction EnzymesSequence Homology, Nucleic AcidSequence AlignmentComputer SimulationCarrier ProteinsDNAMolecular WeightOpen Reading FramesKluyveromycesGene DeletionGene ExpressionStructure-Activity RelationshipRegulonConjugation, GeneticLaccaseTryptophan