ArticlePlant physiology2006
Mitogen-activated protein kinase is involved in abscisic acid-induced antioxidant defense and acts downstream of reactive oxygen species production in leaves of maize plants.
Article in Plant physiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 103 papers.
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103 citing papers in PubMed.
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- Modulation of oxidative stress and plant responses to salinity by nanosilicon: current insights and future perspectives.Frontiers in plant science · 2026Review
- Crosstalk between strigolactone and KAI2/KL signalling in plant growth and stress responses.Frontiers in plant science · 2026Review
- Identification of Quality-Related Genomic Regions and Candidate Genes in Silage Maize by Combining GWAS and Meta-Analysis.Plants (Basel, Switzerland) · 2025Article
- Effect of membrane rigidification on theFrontiers in plant science · 2025Article
- Genome-wide identification and analysis of abiotic stress responsiveness of the mitogen-activated protein kinase gene family in Medicago sativa L.BMC plant biology · 2024Article
- The 14-3-3 Protein BdGF14a Increases the Transcriptional Regulation Activity of BdbZIP62 to Confer Drought and Salt Resistance in Tobacco.Plants (Basel, Switzerland) · 2024Article
- MKKK20 works as an upstream triple-kinase of MKK3-MPK6-MYC2 module in Arabidopsis seedling development.iScience · 2023Article
- Exogenous SA Applications Alleviate Salinity Stress via Physiological and Biochemical changes in St John's Wort Plants.Plants (Basel, Switzerland) · 2023Article
- Drought and salinity stresses induced physio-biochemical changes in sugarcane: an overview of tolerance mechanism and mitigating approaches.Frontiers in plant science · 2023Review
- Harnessing the role of mitogen-activated protein kinases against abiotic stresses in plants.Frontiers in plant science · 2023Review
- Dimethylthiourea Alleviates Drought Stress by Suppressing Hydrogen Peroxide-Dependent Abscisic Acid-Mediated Oxidative Responses in an Antagonistic Interaction with Salicylic Acid inAntioxidants (Basel, Switzerland) · 2022Article
- Cellular messengers involved in the inhibition of the Arabidopsis primary root growth by bacterial quorum-sensing signal N-decanoyl-L-homoserine lactone.BMC plant biology · 2022Article
- Cold-Induced Nuclear Import of CBF4 Regulates Freezing Tolerance.International journal of molecular sciences · 2022Article
- SlHSP17.7 Ameliorates Chilling Stress-Induced Damage by Regulating Phosphatidylglycerol Metabolism and Calcium Signal in Tomato Plants.Plants (Basel, Switzerland) · 2022Article
- Mitogen-Activated Protein Kinase Is Involved in Salt Stress Response in Tomato (International journal of molecular sciences · 2022Article
- Metabolic Pathway of Natural Antioxidants, Antioxidant Enzymes and ROS Providence.Antioxidants (Basel, Switzerland) · 2022Review
- RNA-seq profiling of primary calli induced by different media and photoperiods forMolecular breeding : new strategies in plant improvement · 2022Article
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5 authors.
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Abstract
The role of mitogen-activated protein kinase (MAPK) in abscisic acid (ABA)-induced antioxidant defense was investigated in leaves of maize (Zea mays) plants. Treatments with ABA or H(2)O(2) induced the activation of a 46-kD MAPK and enhanced the expression of the antioxidant genes CAT1, cAPX, and GR1 and the total activities of the antioxidant enzymes catalase, ascorbate peroxidase, glutathione reductase, and superoxide dismutase. Such enhancements were blocked by pretreatment with several MAPK kinase inhibitors and reactive oxygen species inhibitors or scavengers. Pretreatment with MAPK kinase inhibitors also substantially arrested the ABA-induced H(2)O(2) production after 2 h of ABA treatment, but did not affect the levels of H(2)O(2) within 1 h of ABA treatment. Pretreatment with several inhibitors of protein tyrosine phosphatase, which is believed to be a negative regulator of MAPK, only slightly prevented the ABA-induced H(2)O(2) production, but did not affect the ABA-induced MAPK activation and ABA-enhanced antioxidant defense systems. These results clearly suggest that MAPK but not protein tyrosine phosphatase is involved in the ABA-induced antioxidant defense, and a cross talk between H(2)O(2) production and MAPK activation plays a pivotal role in the ABA signaling. ABA-induced H(2)O(2) production activates MAPK, which in turn induces the expression and the activities of antioxidant enzymes. The activation of MAPK also enhances the H(2)O(2) production, forming a positive feedback loop.
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