BacteriaAmino AcidsSequence Homology, Amino AcidAmino Acid SequenceCloning, MolecularGram-Negative BacteriaAmino Acid SubstitutionGram-Positive BacteriaMolecular Sequence DataEscherichia coliBacterial ProteinsPhylogenyBacteria, AnaerobicBase SequenceAmino Acids, EssentialSequence AlignmentDNA, BacterialSequence Analysis, DNAAmino Acid Transport SystemsMutationGenes, BacterialRNA, Ribosomal, 16SAmino Acid MotifsBinding SitesSequence Homology, Nucleic AcidBacteria, AerobicKineticsMutagenesis, Site-DirectedRecombinant ProteinsModels, MolecularSpecies SpecificityDNA, ComplementaryProtein ConformationAmino Acids, AromaticPeptide FragmentsProtein Structure, TertiarySubstrate SpecificityAmino Acids, Branched-ChainPlasmidsDNA, RibosomalLeucineStructure-Activity RelationshipProtein BindingAmino Acids, SulfurMolecular WeightPeptidesRestriction MappingCulture MediaGene Expression Regulation, BacterialDNACell LineWater MicrobiologyPolymerase Chain ReactionElectrophoresis, Polyacrylamide GelAnti-Bacterial AgentsDNA PrimersRecombinant Fusion ProteinsRNA, BacterialGram-Negative Aerobic BacteriaConserved SequenceProtein Structure, SecondaryAlanineRNA, MessengerGram-Negative Anaerobic BacteriaProteinsSoil MicrobiologyCarrier ProteinsBacterial Physiological PhenomenaChromatography, High Pressure LiquidCattleOpen Reading FramesNitrogenTemperatureIsoleucineLysineSeawaterPseudomonasBase CompositionHydrogen-Ion ConcentrationBiological TransportAmino Acid Transport Systems, BasicCodonGenome, BacterialEvolution, MolecularSulfur-Reducing BacteriaSymbiosisColony Count, MicrobialAmino Acids, BasicAnaerobiosisMembrane ProteinsTranscription, GeneticAmino Acids, DiaminoMutagenesisGlycineGene LibraryOxidation-ReductionSequence AnalysisTrypsinProtein BiosynthesisBacillus