ArticlePlant biotechnology journal2024
Untargeted mutagenesis of brassinosteroid receptor SbBRI1 confers drought tolerance by altering phenylpropanoid metabolism in Sorghum bicolor.
Article in Plant biotechnology journal, 2024. 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.
- Toward Breeding by Gene Design: Constructing the Ideotype ofPlants (Basel, Switzerland) · 2026Review
- Brassinosteroid Potentiates Cold-Induced Transcriptome-Metabolome Reprogramming in Tea Plant Leaves: An Integrated Multi-Omics Landscape.International journal of molecular sciences · 2026Article
- A tissue-resolved, network-based transcriptomic framework for abiotic stress responses in sorghum.The Plant journal : for cell and molecular biology · 2026Article
- Biotechnological and genetic innovations to enhance sorghum adaptation under climate change.Frontiers in plant science · 2026Review
- Standardized Protocols and Bioinformatic Pipelines for Conducting DAP-seq Experiments in Non-model Plant Crops.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Resequencing of two elite sorghum (Sorghum bicolor (L.) Moench) hybrid parent lines reveals distinctly different genome-wide variation models.Scientific reports · 2025Article
- Article
- Combining biotechnology with sustainability: feasibility of bioenergy sorghum in generating high-value bioproducts.Biotechnology letters · 2025Review
- Through the lens of bioenergy crops: advances, bottlenecks, and promises of plant engineering.The Plant journal : for cell and molecular biology · 2025Review
- Plant engineering: advances, bottlenecks, and promise.The Plant journal : for cell and molecular biology · 2025Article
- A Comparative Analysis of the Effect of 24-Epibrassinolide on the Tolerance of Wheat Cultivars with Different Drought Adaptation Strategies Under Water Deficit Conditions.Plants (Basel, Switzerland) · 2025Article
- Sorghum as a monocot model for drought research.Frontiers in plant science · 2025Review
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Authors and funding
13 authors.
Funding
Abstract
Drought is a critical issue in modern agriculture; therefore, there is a need to create crops with drought resilience. The complexity of plant responses to abiotic stresses, particularly in the field of brassinosteroid (BR) signalling, has been the subject of extensive research. In this study, we unveil compelling insights indicating that the BRASSINOSTEROID-INSENSITIVE 1 (BRI1) receptor in Arabidopsis and Sorghum plays a critical role as a negative regulator of drought responses. Introducing untargeted mutation in the sorghum BRI1 receptor (SbBRI1) effectively enhances the plant's ability to withstand osmotic and drought stress. Through DNA Affinity Purification sequencing (DAP-seq), we show that the sorghum BRI1-EMS-SUPPRESSOR 1 (SbBES1) transcription factor, a downstream player of the BR signalling, binds to a conserved G-box binding motif, and it is responsible for regulating BR homeostasis, as its Arabidopsis ortholog AtBES1. We further characterized the drought tolerance of sorghum bri1 mutants and decipher SbBES1-mediated regulation of phenylpropanoid pathway. Our findings suggest that SbBRI1 signalling serves a dual purpose: under normal conditions, it regulates lignin biosynthesis by SbBES1, but during drought conditions, BES1 becomes less active, allowing the activation of the flavonoid pathway. This adaptive shift improves the photosynthetic rate and photoprotection, reinforcing crop adaptation to drought.
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