HexosesPentosesNitrogenCarbonBacteriaGlutamate-Ammonia LigaseAmmoniaNitrogen FixationNitrogen IsotopesCarbon DioxideGlutamate Dehydrogenase (NADP+)PII Nitrogen Regulatory ProteinsGlutamate SynthaseUreaEnergy MetabolismBacterial ProteinsKetoglutaric AcidsMolecular Sequence DataBlood Urea NitrogenNitrogen CompoundsAmino AcidsGlutamate DehydrogenaseCarbon MonoxideCarbohydrate MetabolismGram-Negative BacteriaGlucoseRumenQuaternary Ammonium CompoundsGene Expression Regulation, BacterialCarbon IsotopesGram-Positive BacteriaGlutamineFermentationNitratesNanotubes, CarbonSymbiosisEscherichia coliPhylogenyBacteria, AnaerobicNitrate ReductaseGlutamate Synthase (NADH)Plant LeavesMetabolic Networks and PathwaysCulture MediaLipid MetabolismHexosephosphatesOxidation-ReductionMutationDNA, BacterialDigestionGenes, BacterialKineticsLeuconostocaceaeDietary ProteinsAmino Acid SequenceRNA, Ribosomal, 16SAnimal FeedAmmonium ChlorideSequence Analysis, DNANitrogen CyclePlant RootsBase SequenceGene Expression Regulation, PlantNitrogen DioxideCarbohydratesLiverAbomasumHydrogen-Ion ConcentrationBiological TransportNitrogenaseModels, BiologicalDeoxy SugarsPhotosynthesisCitric Acid CycleAmidine-LyasesGenome, BacterialBatrachoidiformesMagnetic Resonance SpectroscopyFructoseMonosaccharide Transport ProteinsBacteria, AerobicUreaseRNA, BacterialAnaerobiosisGATA Transcription FactorsZea maysPlant ProteinsFecesDNA, RibosomalCarbon Monoxide PoisoningGalactoseSinorhizobium melilotiMethylglucosidesReactive Nitrogen SpeciesGene Expression Regulation, FungalSoil MicrobiologyTime FactorsCattleGene Expression ProfilingPlants