ArticlePlant cell reports2023
Transgenic sugarcane with higher levels of BRK1 showed improved drought tolerance.
Article in Plant cell reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Establishment of an efficientFrontiers in plant science · 2026Article
- Article
- Overexpression of Abiotic Stress-ResponsiveInternational journal of molecular sciences · 2025Article
- Overexpression of an NF-YB gene family member, EaNF-YB2, enhances drought tolerance in sugarcane (Saccharum Spp. Hybrid).BMC plant biology · 2024Article
- Ectopic expression of choline oxidase (3 Biotech · 2024Article
- Genetic Engineering for Enhancing Sugarcane Tolerance to Biotic and Abiotic Stresses.Plants (Basel, Switzerland) · 2024Review
- Transgenic sugarcane overexpressing3 Biotech · 2024Article
- Factors affecting the production of sugarcane yield and sucrose accumulation: suggested potential biological solutions.Frontiers in plant science · 2024Review
- Isolation and Characterization ofPlants (Basel, Switzerland) · 2023Article
- Coordination of mPlants (Basel, Switzerland) · 2023Article
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13 authors.
Funding
Abstract
key messageTransgenic sugarcane overexpressing BRK1 showed improved tolerance to drought stress through modulation of actin polymerization and formation of interlocking marginal lobes in epidermal leaf cells, a typical feature associated with BRK1 expression under drought stress. BRICK1 (BRK1) genes promote leaf epidermal cell morphogenesis and division in plants that involves local actin polymerization. Although the changes in actin filament organization during drought have been reported, the role of BRK in stress tolerance remains unknown. In our previous work, the drought-tolerant Erianthus arundinaceus exhibited high levels of the BRK gene expression under drought stress. Therefore, in the present study, the drought-responsive gene, BRK1 from Saccharum spontaneum, was transformed into sugarcane to test if it conferred drought tolerance in the commercial sugarcane cultivar Co 86032. The transgenic lines were subjected to drought stress, and analyzed using physiological parameters for drought stress. The drought-induced BRK1-overexpressing lines of sugarcane exhibited significantly higher transgene expression compared with the wild-type control and also showed improved physiological parameters. In addition, the formation of interlocking marginal lobes in the epidermal leaf cells, a typical feature associated with BRK1 expression, was observed in all transgenic BRK1 lines during drought stress. This is the first report to suggest that BRK1 plays a role in sugarcane acclimation to drought stress and may prove to be a potential candidate in genetic engineering of plants for enhanced biomass production under drought stress conditions.
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