ArticlePlant cell reports2014
OsMPK3 is a TEY-type rice MAPK in Group C and phosphorylates OsbHLH65, a transcription factor binding to the E-box element.
Article in Plant cell reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 24 citations in OpenAlex.
- Rice blast pathogen effector AvrPib compromises disease resistance by targeting Raf-like protein kinase OsMAPKKK72 to inhibit MAPK signaling.Journal of integrative plant biology · 2026Article
- Insight into Rice Resistance to the Brown Planthopper: Gene Cloning, Functional Analysis, and Breeding Applications.International journal of molecular sciences · 2024Review
- Time-Series Transcriptomic Analysis of Contrasting Rice Materials under Heat Stress Reveals a Faster Response in the Tolerant Cultivar.International journal of molecular sciences · 2023Article
- Genome-Wide Identification of bHLH Transcription Factor Family inPlants (Basel, Switzerland) · 2023Article
- De novo and comparative transcriptomic analysis explain morphological differences in Panax notoginseng taproots.BMC genomics · 2022Article
- Chlorosis seedling lethality 1 encoding a MAP3K protein is essential for chloroplast development in rice.BMC plant biology · 2022Article
- Update on the Roles of Rice MAPK Cascades.International journal of molecular sciences · 2021Review
- Identification and analysis of miRNAs in IR56 rice in response to BPH infestations of different virulence levels.Scientific reports · 2020Article
- Differential Responses ofInternational journal of molecular sciences · 2018Article
- Nuclear Signaling of Plant MAPKs.Frontiers in plant science · 2018Review
- Genome-Wide Identification and Analysis of Genes, Conserved betweenFrontiers in plant science · 2017Article
- Wheat mitogen-activated protein kinase gene TaMPK4 improves plant tolerance to multiple stresses through modifying root growth, ROS metabolism, and nutrient acquisitions.Plant cell reports · 2015Article
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageOsMPK3 is a TEY-type rice MAPK belonging to Group C and directly phosphorylates OsbHLH65 in the nucleus. OsMPK3 and OsbHLH65 are induced by biotic stress and defense-related hormones. Mitogen-activated protein kinases (MAPKs) are involved in the majority of signaling pathways that regulate plant development and stress tolerance via the phosphorylation of target molecules. Plant MAPKs are classified into two subtypes, TEY and TDY, according to the TxY (x = E or D) motif in their activation loop, and the TDY motif is unique to plant MAPKs. In rice, 17 MAPKs have been classified into six groups. To date, the functions of many TDY-type rice MAPKs have been characterized, but little is known of the TEY-type MAPKs in Group C and their possible target substrates. In the study reported here, we determined that a TEY-type rice MAPK belonging to subgroup C, named OsMPK3, phosphorylates its substrate OsbHLH65 in the nucleus. Our electrophoresis mobility shift assay results revealed that OsbHLH65 specifically binds to the E-box cis-element, but not to the G-box. Both OsMPK3 and OsbHLH65 were induced by treatments with rice blast (Magnaporthe grisea), brown planthopper (Nilaparvata lugens), and defense-related hormones, such as methyl jasmonic acid and salicylic acid. Our results suggest the possibility that OsMPK3 contributes to the defense signal transduction by phosphorylating the basic helix-loop-helix transcription factor.
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