Nitrate ReductaseArabidopsis ProteinsArabidopsisNitratesNitrate ReductasesNitrite ReductasesGene Expression Regulation, PlantGenes, PlantQuaternary Ammonium CompoundsNitrogenPlant RootsNitrogen CompoundsAnion Transport ProteinsPlants, Genetically ModifiedMolecular Sequence DataNitritesPlant LeavesMutationPlant ProteinsCyanobacteriaCarbonPhotosynthesisRNA, PlantAmino Acid SequenceGene Expression Regulation, BacterialDNA, PlantMultigene FamilyOperonBase SequenceGenome, PlantBacterial ProteinsNitrogen FixationAnabaenaPlant ShootsSeedsFlowersAspergillus nidulansSequence Homology, Amino AcidChlamydomonas reinhardtiiSequence AlignmentSeedlingTranscription FactorsPhenotypePlant Growth RegulatorsPhylogenyGlutamate SynthaseMeristemIndoleacetic AcidsGlutamate-Ammonia LigaseOxylipinsGenetic Complementation TestPlant DiseasesAbscisic AcidCyclopentanesSalicylic AcidCarbon DioxideEthylenesNitrogen IsotopesPlant StructuresMADS Domain ProteinsPlant StemsPromoter Regions, GeneticMutagenesis, InsertionalAmmoniaCloning, MolecularGenes, BacterialOryza sativaCulture MediaLightGene Expression ProfilingCytokininsChloroplastsSulfurTobaccoPlantsDNA, ComplementarySequence Analysis, DNAChlorophyllFungal ProteinsPlant StomataGerminationNitrate Reductase (NADH)Silver NitrateGlucuronidaseChromosome MappingPlant EpidermisPII Nitrogen Regulatory ProteinsRibulose-Bisphosphate CarboxylaseTrans-ActivatorsGlutamate DehydrogenaseExpressed Sequence TagsCarbohydrate MetabolismBiomassDNA PrimersRNA, MessengerNitrogen CycleSignal TransductionSulfatesChromosome WalkingDarkness