Nitrate ReductaseNitratesNitrate ReductasesNitrite ReductasesQuaternary Ammonium CompoundsNitrogenNitrogen CompoundsAnion Transport ProteinsNitritesCyanobacteriaCarbonProkaryotic CellsPhotosynthesisGene Expression Regulation, BacterialBacterial ProteinsOperonMolecular Sequence DataAnabaenaNitrogen FixationPlant RootsAspergillus nidulansChlamydomonas reinhardtiiMutationGlutamate SynthaseGlutamate-Ammonia LigaseGenes, BacterialAmino Acid SequenceBase SequenceAmmoniaNitrogen IsotopesCarbon DioxideCulture MediaPlant LeavesMultigene FamilyArabidopsisPhylogenySulfurBacteriaArchaeaFungal ProteinsSequence AlignmentNitrate Reductase (NADH)PII Nitrogen Regulatory ProteinsSilver NitrateSulfatesGlutamate DehydrogenaseOxidoreductases Acting on Sulfur Group DonorsNitrogen CycleTrans-ActivatorsTranscription FactorsPromoter Regions, GeneticRibulose-Bisphosphate CarboxylaseAdenosine PhosphosulfateEscherichia coliBiomassNitrogen DioxideBlood Urea NitrogenFertilizersCarbohydrate MetabolismSulfate AdenylyltransferaseOxidation-ReductionGenome, BacterialAutotrophic ProcessesEukaryotic CellsSeawaterGlutamate Synthase (NADH)PlantsGene Transfer, HorizontalAmino AcidsSequence Analysis, DNAGenome, ArchaealSymbiosisReactive Nitrogen SpeciesChlorophyllPlant TranspirationKetoglutaric AcidsOxidoreductasesLightDNA, BacterialPlant ProteinsGene Expression Regulation, PlantGlutamineCarbon IsotopesMetabolic Networks and PathwaysChloratesAchromobacterEvolution, MolecularSequence Homology, Amino AcidSoilGenes, ArchaealPlant ShootsSpecies SpecificityNitrogen OxidesRNA, Ribosomal, 16SModels, BiologicalPlants, Genetically ModifiedPotassium CompoundsEscherichia coli ProteinsHeterotrophic ProcessesNitrate Reductase (NAD(P)H)