Ascorbate PeroxidasesAscorbic AcidAntioxidantsPeroxidasesAscorbate OxidaseReactive Oxygen SpeciesOxygenHydrogen PeroxideGlutathione PeroxidaseHorseradish PeroxidaseOxidative StressCatalaseGuaiacolOxidation-ReductionPeroxidaseCytochrome-c PeroxidaseSuperoxide DismutaseGlutathionePlant LeavesDehydroascorbic AcidGlutathione ReductaseChloroplast ProteinsChloroplastsLipid PeroxidationGene Expression Regulation, PlantOxygen ConsumptionFree Radical ScavengersSpinacia oleraceaFree RadicalsArabidopsisPlant ProteinsPeasCytosolOxidantsMolecular Sequence DataTobaccoDroughtsAscorbic Acid DeficiencyPhotosynthesisVitamin EArabidopsis ProteinsEosinophil PeroxidaseSalicylic AcidKineticsParaquatSeedlingSuperoxidesPicratesFabaceaePlant RootsNADPH OxidasePlants, Genetically ModifiedAcetylcysteineIodide PeroxidaseChlorophyllAmino Acid SequencePlants, MedicinalSodium-Coupled Vitamin C TransportersMitochondriaPeroxisomesPeroxiredoxinsLightMalondialdehydeAbscisic AcidIsoenzymesPlant ExtractsStress, PhysiologicalGenes, PlantThylakoidsPeroxidesPlants, ToxicPlantsScurvyThiobarbituric Acid Reactive SubstancesPhenolsBase SequenceElectron Spin Resonance SpectroscopySinglet OxygenOxidoreductasesSoybeansCells, CulturedRNA, MessengerGene Expression Regulation, EnzymologicHydroxyl RadicalLipid PeroxidesRoot Nodules, PlantIronSeedsSeleniumDNA, ComplementaryAdaptation, PhysiologicalCopperLeishmania majorApoptosisEscherichia coli O157Cyclic N-OxidesReactive Nitrogen Species