Carboxylic AcidsAcidsAcids, AcyclicGenetic VariationPhylogenyMalatesCitric AcidBiodiversityMetabolism, Inborn ErrorsSequence Analysis, DNAMolecular Sequence DataAluminumRNA, Ribosomal, 16SPropionatesOxalic AcidSorbic AcidHydrogen-Ion ConcentrationFermentationDNA, RibosomalAcetic AcidOrganic ChemicalsCitratesFood PreservativesBacteriaAcetatesCarbohydrate MetabolismBenzoic AcidDNA, BacterialCultural DiversityFumaratesTartratesSpecies SpecificityGas Chromatography-Mass SpectrometryEcosystemSoil MicrobiologyPlant RootsSuccinic AcidPhosphoenolpyruvate CarboxylaseGeographyCluster AnalysisCarbonAmino Acid Metabolism, Inborn ErrorsSuccinatesLactic AcidIsobutyratesEvolution, MolecularTricarboxylic AcidsStomach, AvianFormatesGenetics, PopulationDicarboxylic AcidsCaproatesGastrointestinal ContentsSoilBase SequenceAntibody DiversitySodium AcetateGenes, rRNACrassulaceaeSeawaterMicrosatellite RepeatsSulfuric AcidsWater MicrobiologyMetabolomeAcids, CarbocyclicAnaerobiosisGlutaratesCarbadoxPlanctomycetalesCulture MediaSodium LactateHydroponicsBiological EvolutionAcids, NoncarboxylicLactatesPhylogeographyFruitValeratesCaryaChromatography, GasAcetoinNitrogenBacterial Typing TechniquesGenotypeRhizosphereFresh WaterFatty AcidsPolymerase Chain ReactionBreadCucumis sativusIndustrial MicrobiologyGeologic SedimentsBase CompositionBacteria, AnaerobicBiomassCecumAmino AcidsCrotonatesKetoglutaric AcidsSecale cereale