ArticlePlant physiology2022
Brassinosteroids regulate rice seed germination through the BZR1-RAmy3D transcriptional module.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed, 93 citations in OpenAlex.
- Brassinosteroids as Central Regulators of Plant Growth, Stress Tolerance, and Agricultural Resilience.Plants (Basel, Switzerland) · 2026Review
- Duet between sugars and hormones: The molecular dialogue fine-tuning hypoxia acclimation in plants.Journal of integrative plant biology · 2026Review
- Phytohormones and Shoot Branching: A Mini-Review of Molecular Regulatory Networks and Mechanisms.Plants (Basel, Switzerland) · 2026Review
- Genes, Putative Long-Lived mRNAs and Pathways Underlying Genotypic Differences in Rice Seed Storability and Seed Dormancy.Rice (New York, N.Y.) · 2026Article
- The Plant Sucrose Synthase Gene Family: Multi-Level Regulatory Networks and Functional Diversification in Plants.Biomolecules · 2026Review
- Holistic overview of regulatory networks governing seed dormancy and germination in plants.Science China. Life sciences · 2026Review
- Origin and evolution ofHorticulture research · 2026Article
- Moderate Regulation of SBEIIb Gene Expression by Editing Cis-Regulatory Elements Enhances the Resistant Starch Content in Rice.Plant biotechnology journal · 2026Article
- The BBM2-BZR4-GrxC2.2 Module Regulates Rice Embryogenesis Independently of the BR Pathway.Plant biotechnology journal · 2026Article
- Quiescin Sulfhydryl Oxidase-Like 1 Positively Regulates Seed Dormancy in Rice.Plant biotechnology journal · 2026Article
- Integrated metabolome and transcriptome profiling demonstrates dynamic regulatory roles of hormones in direct-seeding rice.Frontiers in plant science · 2026Article
- OsSAE1 orchestrates the antagonistical regulation of gibberellin and abscisic acid signaling to control rice seed germination.Journal of integrative plant biology · 2026Article
- Mapping the molecular signature of ABA-regulated gene expression in germinating barley embryos.BMC plant biology · 2025Article
- OsMAPKKK5 affects brassinosteroid signal transduction via phosphorylating OsBSK1-1 and regulates rice plant architecture and yield.Plant biotechnology journal · 2025Article
- Increased chloroplast area in the rice bundle sheath through cell-specific perturbation of brassinosteroid signaling.Plant physiology · 2025Article
- Genome-Wide Identification, Characterization, and Expression Analysis ofPlants (Basel, Switzerland) · 2025Article
- The transcription factor CCT30 promotes rice preharvest sprouting by regulating sugar signalling to inhibit the ABA-mediated pathway.Plant biotechnology journal · 2025Article
- Integrative genomic and transcriptomic approaches decipher pre-harvest sprouting resistance in rice.Frontiers in plant science · 2025Article
- Combining ability and gene action for flowering, plant height, grain size, and yield in rice (Frontiers in plant science · 2025Article
- A distal regulatory element regulates Wx gene expression and the amylose content in rice.Frontiers in plant science · 2025Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seed dormancy and germination, two physiological processes unique to seed-bearing plants, are critical for plant growth and crop production. The phytohormone brassinosteroid (BR) regulates many aspects of plant growth and development, including seed germination. The molecular mechanisms underlying BR control of rice (Oryza sativa) seed germination are mostly unknown. We investigated the molecular regulatory cascade of BR in promoting rice seed germination and post-germination growth. Physiological assays indicated that blocking BR signaling, including introducing defects into the BR-insensitive 1 (BRI1) receptor or overexpressing the glycogen synthase kinase 2 (GSK2) kinase delayed seed germination and suppressed embryo growth. Our results also indicated that brassinazole-resistant 1 (BZR1) is the key downstream transcription factor that mediates BR regulation of seed germination by binding to the alpha-Amylase 3D (RAmy3D) promoter, which affects α-amylase expression and activity and the degradation of starch in the endosperm. The BZR1-RAmy3D module functions independently from the established Gibberellin MYB-alpha-amylase 1A (RAmy1A) module of the gibberellin (GA) pathway. We demonstrate that the BZR1-RAmy3D module also functions in embryo-related tissues. Moreover, RNA-sequencing (RNA-seq) analysis identified more potential BZR1-responsive genes, including those involved in starch and sucrose metabolism. Our study successfully identified the role of the BZR1-RAmy3D transcriptional module in regulating rice seed germination.
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