ArticleBMC plant biology2023
Overexpression of a novel small auxin-up RNA gene, OsSAUR11, enhances rice deep rootedness.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 24 citations in OpenAlex.
- Genetic Analysis of Genomic and Methylomic Variation and Identification of Multi-Trait Mutants in Rice Carried on Chang'e-5.Plants (Basel, Switzerland) · 2026Article
- The Small Auxin Upregulated RNAPlants (Basel, Switzerland) · 2026Article
- Molecular and Genetic Regulation of Crop Root System Architecture in Drought Resilience.Plants (Basel, Switzerland) · 2026Review
- Differential response to waterlogging stress in rapeseed (Brassica napus L.): insights from physiological, transcriptomic, and metabolomic analyses.BMC plant biology · 2026Article
- Genome-wide association study for root-related traits at vegetative growth stages of soybean (Glycine max L. Merrill).BMC genomics · 2026Article
- Article
- Phenomics-assisted genetic dissection and molecular design of drought resistance in rice.Plant communications · 2025Article
- Article
- Flexibility of parental-like or maternal-like gene expression under diverse environments contributes to combined drought avoidance and drought tolerance in a water-saving and drought-resistance rice hybrid.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- The Small Auxin-Up RNA 50 (SAUR50) Gene fromPlants (Basel, Switzerland) · 2024Article
- A Small Auxin-Up RNA Gene,Genes · 2024Article
- The Receptor Kinases DRUS1 and DRUS2 Behave Distinctly in Osmotic Stress Tolerance by Modulating the Root System Architecture via Auxin Signaling.Plants (Basel, Switzerland) · 2024Article
- Molecular Mechanisms and Regulatory Pathways Underlying Drought Stress Response in Rice.International journal of molecular sciences · 2024Review
- Unveiling genetic basis of seedling emergence from deep soil depth under dry direct- seeded conditions in rice (Frontiers in plant science · 2024Article
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
Abstract
backgroundDeep rooting is an important factor affecting rice drought resistance. However, few genes have been identified to control this trait in rice. Previously, we identified several candidate genes by QTL mapping of the ratio of deep rooting and gene expression analysis in rice.
resultsIn the present work, we cloned one of these candidate genes, OsSAUR11, which encodes a small auxin-up RNA (SAUR) protein. Overexpression of OsSAUR11 significantly enhanced the ratio of deep rooting of transgenic rice, but knockout of this gene did not significantly affect deep rooting. The expression of OsSAUR11 in rice root was induced by auxin and drought, and OsSAUR11-GFP was localized both in the plasma membrane and cell nucleus. Through an electrophoretic mobility shift assay and gene expression analysis in transgenic rice, we found that the transcription factor OsbZIP62 can bind to the promoter of OsSAUR11 and promote its expression. A luciferase complementary test showed that OsSAUR11 interacts with the protein phosphatase OsPP36. Additionally, expression of several auxin synthesis and transport genes (e.g., OsYUC5 and OsPIN2) were down-regulated in OsSAUR11-overexpressing rice plants.
conclusionsThis study revealed a novel gene OsSAUR11 positively regulates deep rooting in rice, which provides an empirical basis for future improvement of rice root architecture and drought resistance.
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