ArticleBMC plant biology2024
Functions of exogenous strigolactone application and strigolactone biosynthesis genes GhMAX3/GhMAX4b in response to drought tolerance in cotton (Gossypium hirsutum L.).
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Strigolactone (GR24) promotes arbuscular mycorrhizal colonization and wheat root growth.Planta · 2026Article
- Decoupling the Good from the Bad: Translational Strategies for Strigolactone Application in Agriculture.Biology · 2026Review
- Effects of Controlled-Release Fertilizer Application Rate on Growth, Physiological Traits, and Chlorophyll Fluorescence Responses ofPlants (Basel, Switzerland) · 2026Article
- Ethylene participates in strigolactone-triggered stomatal closure via Gα protein-activited hydrogen peroxide and hydrogen sulfide synthesis inFrontiers in plant science · 2026Article
- WGCNA reveals dose-dependent responses and molecular regulatory networks of strigolactone-mediated drought mitigation inFrontiers in plant science · 2026Article
- Stomatal signaling under drought: integrating hormonal pathways for crop resilience.Plant cell reports · 2025Review
- Effects of different hormones on the color of tree peony leaves.BMC plant biology · 2025Article
- Exogenous phytohormones enhanceFrontiers in plant science · 2025Article
- Chemistry and chemical biology tools contributing to the discovery and functional characterization of strigolactones.Frontiers in plant science · 2025Review
- Plant hormones and membrane transporters: integrating nutrient uptake, ion homeostasis, and stress responses through hormonal cross-talk.Frontiers in plant science · 2025Review
- Strigolactone modulates phenolic acid accumulation and thereby improves tolerance to UV-B stress in Rhododendron chrysanthum Pall.Plant cell reports · 2024Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundDrought stress markedly constrains plant growth and diminishes crop productivity. Strigolactones (SLs) exert a beneficial influence on plant resilience to drought conditions. Nevertheless, the specific function of SLs in modulating cotton's response to drought stress remains to be elucidated.
resultsIn this study, we assess the impact of exogenous SL (rac-GR24) administration at various concentrations (0, 1, 5, 10, 20 µM) on cotton growth during drought stress. The findings reveal that cotton seedlings treated with 5 µM exogenous SL exhibit optimal mitigation of growth suppression induced by drought stress. Treatment with 5 µM exogenous SL under drought stress conditions enhances drought tolerance in cotton seedlings by augmenting photosynthetic efficiency, facilitating stomatal closure, diminishing reactive oxygen species (ROS) generation, alleviating membrane lipid peroxidation, enhancing the activity of antioxidant enzymes, elevating the levels of osmoregulatory compounds, and upregulating the expression of drought-responsive genes. The suppression of cotton SL biosynthesis genes, MORE AXILLARY GROWTH 3 (GhMAX3) and GhMAX4b, impairs the drought tolerance of cotton. Conversely, overexpression of GhMAX3 and GhMAX4b in respective Arabidopsis mutants ameliorates the drought-sensitive phenotype in these mutants.
conclusionThese observations underscore that SLs significantly bolster cotton's resistance to drought stress.
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