ArticleInternational journal of molecular sciences2025
Integrated Analysis of Physiological Responses and Transcriptome of Cotton Seedlings Under Drought Stress.
Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Carbon Dioxide Enrichment Partially Alleviates the Impact of Drought Stress on Cotton Growth and Yield.Plants (Basel, Switzerland) · 2026Article
- Integrated Physiological and Transcriptome Analyses of Wild Jujube (International journal of molecular sciences · 2026Article
- Genome-Wide Identification and Abiotic Stress-Responsive Expression Analysis of theLife (Basel, Switzerland) · 2025Article
- Melatonin Improves Drought Stress Tolerance by Remodeling Lipid Metabolism inPlants (Basel, Switzerland) · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
Investigating the physiological responses and resistance mechanisms in plants under drought stress provides critical insights for optimizing irrigation water utilization efficiency and promoting the development of irrigation science. In this study, cotton seedlings were cultivated in a light incubator. Three drought stress levels were applied: mild (M1, 50-55% field moisture), moderate (M2, 45-50%), and severe (M3, 40-45%). Transcriptome analysis was performed under mild and severe stress. The results revealed that differentially expressed genes (DEGs) related to proline degradation were down-regulated and proline content increased in cotton. Under different stress treatments, cotton exhibited a stress-intensity-dependent regulation of carbohydrate metabolism and soluble sugar content decreased and then increased. And the malondialdehyde content analysis revealed a dose-dependent relationship between stress intensity and membrane lipid peroxidation. Stress activated the antioxidant system, leading to the down-regulation of DEGs for reactive oxygen species production in the mitogen-activated protein kinase (MAPK) signaling pathway. Concurrently, superoxide dismutase activity and peroxidase content increased to mitigate oxidative damage. Meanwhile, the photosynthetic performance of cotton seedlings was inhibited. Chlorophyll content, stomatal conductance, the net photosynthetic rate, the transpiration rate and water use efficiency were significantly reduced; intercellular carbon dioxide concentration and leaf stomatal limitation value increased. But photosynthesis genes (e.g.,
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