AmmoniaWaterQuaternary Ammonium CompoundsWater SupplyAmmonium ChlorideAmmonium SulfateAmmonium CompoundsFresh WaterBody WaterWater PurificationNitrogenWater PollutionNitrosomonasWater Pollutants, ChemicalAmmonium HydroxideGlutamate-Ammonia LigaseHydrogen-Ion ConcentrationUreaWater PollutantsGlutamineCarbamoyl-Phosphate Synthase (Ammonia)HyperammonemiaNitrificationMethylaminesNitratesNitrogen RadioisotopesWater DeprivationAmino AcidsGlutamate SynthaseGlutamate DehydrogenaseSeawaterKineticsWater MovementsTemperatureGlutaminaseDrinkingWater SofteningBacteriaCation Transport ProteinsOxidation-ReductionNitrogen IsotopesNitrosomonas europaeaMolecular Sequence DataCulture MediaMethionine SulfoximineManureGlutamatesNitritesAcidosisGillsWaste WaterHepatic EncephalopathyRumenAquaporinsArchaeaSoilAirAcetyleneNitrogen CompoundsRiversSewageWater-Electrolyte BalanceNitrogen FixationPhenylalanine Ammonia-LyaseOxidoreductasesKetoglutaric AcidsUreaseAcid-Base EquilibriumTime FactorsBioreactorsAcetatesCarbonMolecular WeightCarbon DioxideFiltrationPhylogenyChemical PrecipitationCattleEcosystemBetaproteobacteriaTrimethyl Ammonium CompoundsSoil MicrobiologyPII Nitrogen Regulatory ProteinsAnimal FeedNitrogenaseChlorineEnvironmental MonitoringEscherichia coliFatty Acids, VolatileWaste Disposal, FluidAutotrophic ProcessesModels, MolecularImmersionWater WellsAquaporin 1AminohydrolasesAmino Acid SequencePotassiumPlant RootsGlutamate Dehydrogenase (NADP+)