ArticleJournal of experimental botany2010
ZmMPK5 is required for the NADPH oxidase-mediated self-propagation of apoplastic H2O2 in brassinosteroid-induced antioxidant defence in leaves of maize.
Article in Journal of experimental botany, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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42 citing papers in PubMed, 132 citations in OpenAlex.
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- Auxin and abscisic acid antagonistically regulate ascorbic acid production via the SlMAPK8-SlARF4-SlMYB11 module in tomato.The Plant cell · 2022Article
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- Comparative Genomic Analysis of Quantitative Trait Loci Associated With Micronutrient Contents, Grain Quality, and Agronomic Traits in Wheat (Frontiers in plant science · 2021Article
- Receptor-Like Protein Kinases Function Upstream of MAPKs in Regulating Plant Development.International journal of molecular sciences · 2020Review
- Restructuring the Cellular Responses: Connecting Microbial Intervention With Ecological Fitness and Adaptiveness to the Maize (Frontiers in microbiology · 2020Article
- Signaling Toward Reactive Oxygen Species-Scavenging Enzymes in Plants.Frontiers in plant science · 2020Review
- An Overview of Hazardous Impacts of Soil Salinity in Crops, Tolerance Mechanisms, and Amelioration through Selenium Supplementation.International journal of molecular sciences · 2019Review
- Deciphering hydrogen peroxide-induced signalling towards stress tolerance in plants.3 Biotech · 2019Review
- Identification of the metallothionein gene family from cucumber and functional characterization of3 Biotech · 2019Article
- Comparative Proteomic Analysis Provides Insights into the Regulatory Mechanisms of Wheat Primary Root Growth.Scientific reports · 2019Article
- Genome-Wide Bioinformatics Analysis ofInternational journal of molecular sciences · 2018Article
- Plant Bio-Wars: Maize Protein Networks Reveal Tissue-Specific Defense Strategies in Response to a Root Herbivore.Journal of chemical ecology · 2018Article
- Mitogen-Activated Protein Kinase Cascades in Plant Hormone Signaling.Frontiers in plant science · 2018Review
- Article
- Identification and Analysis of Mitogen-Activated Protein Kinase (MAPK) Cascades in Fragaria vesca.International journal of molecular sciences · 2017Article
- A review of redox signaling and the control of MAP kinase pathway in plants.Redox biology · 2017Review
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Brassinosteroids (BRs) have been shown to induce hydrogen peroxide (H(2)O(2)) accumulation, and BR-induced H(2)O(2) up-regulates antioxidant defence systems in plants. However, the mechanisms by which BR-induced H(2)O(2) regulates antioxidant defence systems in plants remain to be determined. In the present study, the role of ZmMPK5, a mitogen-activated protein kinase, in BR-induced anitioxidant defence and the relationship between the activation of ZmMPK5 and H(2)O(2) production in BR signalling were investigated in leaves of maize (Zea mays) plants. BR treatment activated ZmMPK5, induced apoplastic and chloroplastic H(2)O(2) accumulation, and enhanced the total activities of antioxidant enzymes. Such enhancements were blocked by pre-treatment with mitogen-activated protein kinase kinase (MAPKK) inhibitors and H(2)O(2) inhibitors or scavengers. Pre-treatment with MAPKK inhibitors substantially arrested the BR-induced apoplastic H(2)O(2) production after 6 h of BR treatment, but did not affect the levels of apoplastic H(2)O(2) within 1 h of BR treatment. BR-induced gene expression of NADPH oxidase was also blocked by pre-treatment with MAPKK inhibitors and an apoplastic H(2)O(2) inhibitor or scavenger after 120 min of BR treatment, but was not affected within 30 min of BR treatment. These results suggest that the BR-induced initial apoplastic H(2)O(2) production activates ZmMPK5, which is involved in self-propagation of apoplastic H(2)O(2) via regulation of NADPH oxidase gene expression in BR-induced antioxidant defence systems.
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