Intervention effectmodel-written summary

H2O2 priming increased catalase and ascorbate peroxidase activity in chilling-stressed rice.

A claim from Hydrogen peroxide priming alleviates chilling stress in rice (Oryza sativa L.) by enhancing oxidant scavenging capacity · 2018

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

H2O2 priming increased catalase and ascorbate peroxidase activity in chilling-stressed rice.

Treatment
priming with H2O2e5
Outcome
catalase and ascorbate peroxidase activitye5
Direction
increasede5

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

t0

“rice (Oryza sativa L.)”

✓ located verbatim in the source · title, characters 56–78
e5

“priming with H2O2 confers a positive physiological effect by enhancing antioxidant enzymes capability (increased catalase and ascorbate peroxidase activity)”

✓ located verbatim in the source · abstract, characters 1486–1642

Title

Hydrogen peroxide priming alleviates chilling stress in rice (Oryza sativa L.) by enhancing oxidant scavenging capacity

Sonya Afrin; Md TahjibUlArif; Md Sakil; et al. Fundamental and applied agriculture 2018. doi:10.5455/faa.13554

Other claims from this paper (8)

Record rev-aea9de397fe6bf08f5389dbe350a0892e4a99b8092e44aeb47699f545808021c · schema claims-v0.9 · position 7 in the model’s answer

hydrogen peroxide · physiology: antioxidant enzymes · Oryza sativa (rice)Results differ

10 papers: 6 positive, 4 negative or no effect

5 papers in the same direction as this claim · 4 in the opposite direction

  1. negative
    Hydrogen peroxide decreased superoxide dismutase and ascorbate peroxidase activities in detached rice leaves.

    Effect of oxidative stress caused by hydrogen peroxide on senescence of rice leaves · 1998

    Opposite direction

  2. negative
    SOD and GPx activities gradually decreased under hydrogen peroxide treatment.

    HYDROGEN PEROXIDE INDUCES OXIDATIVE STRESS IN DETACHED LEAVES OF ORYZA SATIVA L. · 2007

    Opposite direction

  3. no effect
    Hydrogen peroxide did not inhibit this SOD activity.

    Molecular Cloning and Characterization of a cDNA for an Iron-Superoxide Dismutase in Rice (Oryza sativaL.) · 1999

    Opposite direction

  4. no effect
    Compost tea and H2O2 had no significant peroxidase increase.

    CHEMICAL INDUCTION OF SYSTEMIC AQUARID RESISTANCE AND EFFECT OF THEIR APPLICATION TIME ON RICE BLAST “MAGNAPORTHE GRISEA” INFECTION TO CULTIVARS SAKHA101 AND SAKHA104. · 2013 · compared with control

    Opposite direction

  5. positive
    H2O2 increased cytosolic APX transcript 6.1 fold.

    Induction of Rice Cytosolic Ascorbate Peroxidase mRNA by Oxidative Stress; the Involvement of Hydrogen Peroxide in Oxidative Stress Signalling · 1999

    Same direction

  6. positive
    Hydrogen peroxide increased SOD activity in rice and wheat leaves.

    Species and Organ Diversity in the Effects of Hydrogen Peroxide on Superoxide Dismutase Activity In Vitro · 2006

    Same direction

  7. positive
    Catalase and peroxidase activities gradually increased under hydrogen peroxide treatment.

    Enhanced oxidative stress tolerance in rice plants is associated with membrane stability, pigment composition and scavenging of reactive oxygen species · 2017

    Same direction

  8. positive
    Catalase and peroxidase activities increased gradually under H2O2 treatments.

    Induction of oxidative stress by hydrogen peroxide treatment in rice genotypes to study the osmolyte accumulation pattern and antioxidant capacity · 2014

    Same direction

1 paper more in this group

See all 10 papers →

seed treatment · physiology: antioxidant enzymes · Oryza sativa (rice)Positive and negative results

31 papers: 30 positive, 1 negative or no effect

29 papers in the same direction as this claim · 1 reporting no difference from an alternative

  1. no effect
    For aged seeds, ALA priming did not significantly differ from hydropriming in superoxide dismutase, peroxidase and ascorbate peroxidase activities.

    Promotive Effect of Priming with 5-Aminolevulinic Acid on Seed Germination Capacity, Seedling Growth and Antioxidant EnzymeActivity in Rice Subjected to Accelerated Ageing Treatment · 2015 · compared with hydropriming

    No difference from an alternative

  2. positive
    Seed priming triggered superoxide dismutase, peroxidase and catalase activities in rice seedlings.

    Physiological and Biochemical Mechanisms of Seed Priming-Induced Chilling Tolerance in Rice Cultivars · 2016 · compared with non-primed control treatment

    Same direction

  3. positive
    PEG priming reduced SOD, POD and CAT activities under nano-ZnO stress.

    Seed priming with polyethylene glycol regulating the physiological and molecular mechanism in rice (Oryza sativa L.) under nano-ZnO stress · 2015

    Same direction

  4. positive
    Priming significantly increased starch and glutathione reductase in rice.

    GABA-Alleviated Oxidative Injury Induced by Salinity, Osmotic Stress and their Combination by Regulating Cellular and Molecular Signals in Rice · 2019

    Same direction

  5. positive
    Rice raised from ZnO-primed seeds shows a 11% elevation in SOD activity.

    Seed nano-priming with Zinc Oxide nanoparticles in rice mitigates drought and enhances agronomic profile · 2022

    Same direction

  6. positive
    BABA priming enhanced guaiacol peroxidase and superoxide dismutase activities.

    Seed Priming with Beta-Amino Butyric Acid Improves Abiotic Stress Tolerance in Rice Seedlings · 2016

    Same direction

  7. positive
    Priming raised SOD and CAT activities.

    Seed pre-treatment in rice reduces damage, enhances carbohydrate mobilization and improves emergence and seedling establishment under flooded conditions · 2011 · compared with non-primed seeds

    Same direction

  8. positive
    Seed priming increased the activities of catalase, ascorbate peroxidase and superoxide dismutase in rice seedlings by more than two-fold compared with control.

    Efficacy of KNO3, SiO2 and SA priming for improving emergence, seedling growth and antioxidant enzymes of rice (Oryza sativa), under drought · 2021 · compared with control

    Same direction

22 papers more in this group

See all 31 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.