Ascorbate PeroxidasesPeroxidasesHydrogen PeroxideAscorbate OxidaseAscorbic AcidHorseradish PeroxidaseCatalasePeroxidesGlutathione DisulfideOxidation-ReductionGlutathione PeroxidaseGlutathioneHydrogenCytochrome-c PeroxidasePeroxidaseAntioxidantsGuaiacolOxidative StressGlutathione ReductaseHydrogen BondingOxidantsSuperoxide DismutaseDehydroascorbic AcidPlant LeavesReactive Oxygen SpeciesChloroplastsChloroplast ProteinsGene Expression Regulation, PlantFree RadicalsHydrogen SulfideSpinacia oleraceaLipid PeroxidesPlant ProteinsArabidopsisPeasMolecular Sequence DataKineticsLipid PeroxidationCytosolParaquatTobaccoPeroxiredoxinsDroughtsAmino Acid SequenceEosinophil PeroxidaseSalicylic AcidSulfhydryl CompoundsHydroxyl RadicalArabidopsis ProteinsAscorbic Acid DeficiencySuperoxidesPhotosynthesisSeedlingFree Radical ScavengersAmitroleElectron Spin Resonance SpectroscopyFabaceaePlants, Genetically Modifiedtert-ButylhydroperoxidePlant RootsIodide PeroxidaseGlucose OxidasePeroxisomesOxygenChlorophyllHydroxidesAbscisic AcidOxidoreductasesLightSodium-Coupled Vitamin C TransportersLactoperoxidaseStress, PhysiologicalThylakoidsGenes, PlantIsoenzymesPlants, ToxicBase SequenceIronPlantsPlants, MedicinalScurvyTooth BleachingHydrogen-Ion ConcentrationWaterSoybeansCopperSpectrophotometryFerrous CompoundsRoot Nodules, PlantCloning, MolecularDNA, ComplementaryEscherichia coli O157Gene Expression Regulation, EnzymologicRNA, MessengerAdaptation, PhysiologicalAcatalasia