Ascorbate PeroxidasesPeroxidasesHydrogen PeroxideAscorbate OxidaseAscorbic AcidHorseradish PeroxidaseCatalasePeroxidesGlutathione PeroxidaseHydrogenCytochrome-c PeroxidasePeroxidaseOxidation-ReductionGuaiacolAntioxidantsHydrogen BondingOxidative StressOxidantsDehydroascorbic AcidSuperoxide DismutasePlant LeavesChloroplastsChloroplast ProteinsGlutathione ReductaseReactive Oxygen SpeciesGene Expression Regulation, PlantGlutathioneHydrogen SulfideFree RadicalsSpinacia oleraceaLipid PeroxidesPlant ProteinsArabidopsisPeasMolecular Sequence DataKineticsCytosolParaquatLipid PeroxidationTobaccoPeroxiredoxinsDroughtsEosinophil PeroxidaseSalicylic AcidAmino Acid SequenceHydroxyl RadicalArabidopsis ProteinsAscorbic Acid DeficiencyPhotosynthesisSeedlingSuperoxidesAmitroleElectron Spin Resonance SpectroscopyFabaceaePlants, Genetically ModifiedPlant RootsIodide PeroxidaseFree Radical ScavengersGlucose OxidasePeroxisomesChlorophyllHydroxidesAbscisic AcidLightSodium-Coupled Vitamin C TransportersLactoperoxidaseStress, PhysiologicalThylakoidsGenes, PlantOxygenIsoenzymesPlants, ToxicBase SequenceIronPlantsOxidoreductasesPlants, MedicinalScurvyTooth BleachingWaterSoybeansCopperHydrogen-Ion ConcentrationSpectrophotometryFerrous CompoundsRoot Nodules, PlantCloning, MolecularSulfhydryl CompoundsDNA, ComplementaryEscherichia coli O157Gene Expression Regulation, EnzymologicAcatalasia