HexosesLactasePentosesLactoseLactose IntoleranceBacteriaLactose Tolerance TestCarbohydrate MetabolismCarbohydratesMonosaccharide Transport ProteinsGram-Negative BacteriaLactose SynthaseGlucoseGram-Positive BacteriaMolecular Sequence DataEscherichia coliDeoxy SugarsHexosephosphatesBiological TransportBacteria, AnaerobicBacterial ProteinsAmino SugarsFructoseSymportersSugar AlcoholsThiogalactosidesDNA, BacterialKineticsMethylglucosidesSucroseMembrane Transport ProteinsRNA, Ribosomal, 16SGalactoseLactose FactorsPhosphoenolpyruvate Sugar Phosphotransferase SystemPhylogenyMonosaccharidesCulture MediaBiological Transport, ActiveHydrogen-Ion ConcentrationMilkBacteria, AerobicDisaccharidesXyloseDeoxyglucoseAmino Acid SequenceNitrophenylgalactosidesDNA, RibosomalMethylglycosidesSequence Analysis, DNAMethylgalactosidesMaltoseGalactosidesMannoseGalactosidasesCarbohydrate SequenceUridine Diphosphate SugarsOligosaccharidesGenes, BacterialHydrogenFermentationBase SequenceMutationMelibioseWater MicrobiologyPhlorhizinAnaerobiosisTemperature3-O-MethylglucoseSpecies SpecificityDietary SucroseGene Expression Regulation, BacterialSoil MicrobiologyAnti-Bacterial AgentsGlucose Transport Proteins, FacilitativeRNA, BacterialSubstrate SpecificityEscherichia coli ProteinsBacterial Physiological PhenomenaAmino AcidsGram-Negative Aerobic BacteriaLectinsCell MembraneArabinoseGlucosephosphatesGram-Negative Anaerobic BacteriaGalactosephosphatesColony Count, MicrobialCarbohydrate ConformationStreptococcusYogurtCloning, MolecularGlucose Transporter Type 5CarbonCarbon IsotopesBreath TestsBase CompositionPolysaccharidesSugar PhosphatesSeawater