ArticleThe Plant cell2023
The transcriptional hub SHORT INTERNODES1 integrates hormone signals to orchestrate rice growth and development.
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 18 papers.
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18 citing papers in PubMed, 34 citations in OpenAlex.
- OsGSK2-OsTCP19 Module Integrates Nitrogen and Brassinosteroid Signaling to Regulate Nitrogen Utilization and Root Growth in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- CRISPR/Cas9-mediated mutagenesis of SMXL4 alters plant height and yield-related traits in rice (cv. Samkwang).Scientific reports · 2026Article
- Multi-Omics Analysis Sheds Light on the Relative Roles of Hormones and Nutrients in Regulating Secondary Flowering inPlants (Basel, Switzerland) · 2026Article
- Strigolactones Regulate Sugar Allocation to Control Rice Tillering and Root Development via the OsSPL14-OsSHR1-OsSWEET16 Pathway.Plant biotechnology journal · 2026Article
- Natural variation in Phosphatidylinositol 4-Kinase OsPI4Kγ7 and its interaction with OsLIC balance rice yield and latitudinal adaptation.Nature communications · 2026Article
- Harnessing brassinosteroid signaling in rice: from molecular pathways to environmentally adaptive breeding.Frontiers in plant science · 2026Review
- Article
- Losing is the new winning: loss of histone demethylase DT2 enhances drought stress tolerance in rice.Plant physiology · 2025Article
- Auxin meets BR: OsIAA7 teams up with OsGSK2 to destabilize OsBZR1 for rice seed size control.The Plant cell · 2025Article
- Transcriptome analysis of two photo-thermo-sensitive genic male-sterile lines reveal GA-mediated regulatory mechanism for rice panicle exsertion.BMC genomics · 2025Article
- The Auxin Response FactorPlants (Basel, Switzerland) · 2025Article
- Rice-specific miR1850.1 targets NPR3 to regulate cold stress response.Plant communications · 2025Article
- A molecular framework for the GS2-SUG1 module-mediated control of grain size and weight in rice.Nature communications · 2025Article
- The OsMAPK6-OsWRKY72 module positively regulates rice leaf angle through brassinosteroid signals.Plant communications · 2025Article
- Review
- Advances in auxin synthesis, transport, and signaling in rice: implications for stress resilience and crop improvement.Frontiers in plant science · 2024Review
- Article
- Multi-Level Approaches for Assessing Molecular and Physiological Traits of Drought and Heat Stress Tolerance in Plant Reproductive Development.Physiologia plantarumReview
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Authors and funding
18 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants have evolved sophisticated mechanisms to coordinate their growth and stress responses via integrating various phytohormone signaling pathways. However, the precise molecular mechanisms orchestrating integration of the phytohormone signaling pathways remain largely obscure. In this study, we found that the rice (Oryza sativa) short internodes1 (shi1) mutant exhibits typical auxin-deficient root development and gravitropic response, brassinosteroid (BR)-deficient plant architecture and grain size as well as enhanced abscisic acid (ABA)-mediated drought tolerance. Additionally, we found that the shi1 mutant is also hyposensitive to auxin and BR treatment but hypersensitive to ABA. Further, we showed that OsSHI1 promotes the biosynthesis of auxin and BR by activating the expression of OsYUCCAs and D11, meanwhile dampens ABA signaling by inducing the expression of OsNAC2, which encodes a repressor of ABA signaling. Furthermore, we demonstrated that 3 classes of transcription factors, AUXIN RESPONSE FACTOR 19 (OsARF19), LEAF AND TILLER ANGLE INCREASED CONTROLLER (LIC), and OsZIP26 and OsZIP86, directly bind to the promoter of OsSHI1 and regulate its expression in response to auxin, BR, and ABA, respectively. Collectively, our results unravel an OsSHI1-centered transcriptional regulatory hub that orchestrates the integration and self-feedback regulation of multiple phytohormone signaling pathways to coordinate plant growth and stress adaptation.
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