Chromatography, LiquidChromatography, High Pressure LiquidTandem Mass SpectrometryChromatography, Reverse-PhaseGelsChromatography, AffinityChromatography, GasChromatography, Ion ExchangeChromatography, GelChromatographyChromatography, Thin LayerMass SpectrometryMolecular Sequence DataIonic LiquidsGene Expression Regulation, BacterialBacterial ProteinsAmino Acid SequenceEscherichia coliCulture MediaSpectrophotometry, UltravioletSigma FactorSpectrometry, Mass, Electrospray IonizationKineticsMolecular WeightGas Chromatography-Mass SpectrometryHydrogen-Ion ConcentrationElectrophoresis, Polyacrylamide GelStereoisomerismCountercurrent DistributionBase SequenceAmino AcidsElectrophoresis, Gel, Two-DimensionalCapillary ElectrochromatographyTemperatureMutationReproducibility of ResultsChromatography, DEAE-CelluloseLiquid CrystalsCalibrationReference StandardsDrug StabilityGenes, BacterialIndicators and ReagentsAcetonitrilesLimit of DetectionRNA, BacterialSubstrate SpecificityChemical FractionationEscherichia coli ProteinsSolid Phase ExtractionChromatography, AgaroseTranscription, GeneticTime FactorsDNA, BacterialMagnetic Resonance SpectroscopySaccharomyces cerevisiaeCattleBacillus subtilisTrypsinSilicon DioxideCloning, MolecularHot TemperaturePeptidesPeptide FragmentsMolecular StructureSilica GelSolventsIsomerismIsoelectric FocusingChemistrySensitivity and SpecificityHydrolysisChemical PhenomenaAerobiosisMethanolPlant ExtractsChromatography, PaperProteomicsProteomeMicrochemistryBiotransformationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationProtein BindingPlasmidsRabbitsLiverMethodsSpecies SpecificityCarbohydratesOperonPromoter Regions, GeneticCarbonSequence Homology, Amino AcidRecombinant ProteinsRadioimmunoassayAnion Exchange ResinsCarbohydrate SequenceFatty AcidsMicrobial ViabilityOxidation-Reduction