ArticleThe Plant cell2023
The RAC/ROP GTPase activator OsRopGEF10 functions in crown root development by regulating cytokinin signaling in rice.
Article in The Plant cell, 2023. 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, 15 citations in OpenAlex.
- The OsRhoGAP2-OsRAC5 complex regulates rice seed germination via modulating aleurone layer development and α-amylase activity.Plant cell reports · 2026Article
- An Unusual Component of the Multistep Phosphorelay from Tea Plant (International journal of molecular sciences · 2026Article
- Plant Genetic Engineering: Technological Pathways, Application Scenarios, and Future Directions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- INDETERMINATE DOMAIN 9 negatively regulates rice crown root development.Frontiers in plant science · 2026Article
- RLCKs phosphorylate RopGEFs to control auxin-dependent Arabidopsis development.Nature plants · 2025Article
- Non-Canonical Inter-Protein Interactions of Key Proteins Belonging to Cytokinin Signaling Pathways.Plants (Basel, Switzerland) · 2025Review
- Exploring Hormonal Pathways and Gene Networks in Crown Root Formation Under Stress Conditions: An Update.Plants (Basel, Switzerland) · 2025Review
- The TCP transcription factor TAC8 positively regulates the tiller angle in rice (Oryza sativa L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- The TATA-box binding protein-associated factor TAF12b facilitates the degradation of type B response regulators to negatively regulate cytokinin signaling.Plant communications · 2024Article
- OsRopGEF10 Attenuates Cytokinin Signaling to Regulate Panicle Development and Grain Yield in Rice.Rice (New York, N.Y.) · 2024Article
- Small Papillae Regulated by SPD25 are Critical for Balancing Photosynthetic CORice (New York, N.Y.) · 2023Article
- Knockdown of ARHGAP30 inhibits ovarian cancer cell proliferation, migration, and invasiveness by suppressing the PI3K/AKT/mTOR signaling pathway.European journal of histochemistry : EJH · 2023Article
Corrections and comments
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Authors and funding
13 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
RAC/Rho of plant (ROP) GTPases are major molecular switches that control diverse signaling cascades for plant growth, development, and defense. Here, we discovered a signaling node that connects RAC/ROPs to cytokinins. Rice (Oryza sativa) plants develop a fibrous root system mainly composed of crown roots. Cytokinin signaling via a phosphorelay system is critical for crown root development. We show that OsRopGEF10, which activates RAC/ROPs, acts upstream of the cytoplasmic-nuclear shuttling phosphotransfer proteins AHPs of the cytokinin signaling pathway to promote crown root development. Mutations of OsRopGEF10 induced hypersensitivity to cytokinin, whereas overexpressing this gene reduced the cytokinin response. Loss of OsRopGEF10 function reduced the expression of the response regulator gene OsRR6, a repressor of cytokinin signaling, and impaired crown root development. Mutations in OsAHP1/2 led to increased crown root production and rescued the crown root defect of Osropgef10. Furthermore, auxin activates the ROP GTPase OsRAC3, which attenuates cytokinin signaling for crown root initiation. Molecular interactions between OsRopGEF10, OsRAC3, and OsAHP1/2 implicate a mechanism whereby OsRopGEF10-activated OsRAC3 recruits OsAHP1/2 to the cortical cytoplasm, sequestering them from their phosphorelay function in the nucleus. Together, our findings uncover the OsRopGEF10-OsRAC3-OsAHP1/2 signaling module, establish a link between RAC/ROPs and cytokinin, and reveal molecular crosstalk between auxin and cytokinin during crown root development.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.