Ascorbate PeroxidasesPeroxidasesHydrogen PeroxideAscorbate OxidaseAscorbic AcidHorseradish PeroxidaseCatalasePeroxidesGlutathione PeroxidaseHydrogenCytochrome-c PeroxidasePeroxidaseOxidation-ReductionGuaiacolAntioxidantsHydrogen BondingOxidative StressOxidantsDehydroascorbic AcidSuperoxide DismutasePlant LeavesChloroplastsCell CycleChloroplast ProteinsGlutathione ReductaseGene Expression Regulation, PlantReactive Oxygen SpeciesGlutathioneHydrogen SulfideFree RadicalsSpinacia oleraceaMolecular Sequence DataLipid PeroxidesPlant ProteinsArabidopsisPeasKineticsCytosolLipid PeroxidationParaquatTobaccoAmino Acid SequencePeroxiredoxinsDroughtsEosinophil PeroxidaseSalicylic AcidArabidopsis ProteinsHydroxyl RadicalAscorbic Acid DeficiencyPhotosynthesisSeedlingSuperoxidesAmitroleElectron Spin Resonance SpectroscopyPlants, Genetically ModifiedFabaceaePlant RootsIodide PeroxidaseFree Radical ScavengersLightChlorophyllBase SequencePeroxisomesGlucose OxidaseAbscisic AcidHydroxidesSodium-Coupled Vitamin C TransportersOxygenStress, PhysiologicalIsoenzymesGenes, PlantThylakoidsLactoperoxidasePlants, ToxicPlantsIronOxidoreductasesPlants, MedicinalScurvyTooth BleachingWaterSoybeansCopperHydrogen-Ion ConcentrationMutationSpectrophotometryCloning, MolecularRNA, MessengerFerrous CompoundsRoot Nodules, PlantDNA, ComplementarySulfhydryl CompoundsGene Expression Regulation, EnzymologicTime FactorsEscherichia coli O157CatalysisRecombinant ProteinsAcatalasiaCells, CulturedAdaptation, Physiological