ArticleJournal of experimental botany2019
Crosstalk between cytokinin and ethylene signaling pathways regulates leaf abscission in cotton in response to chemical defoliants.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 76 citations in OpenAlex.
- GhNAC47 activates GhSKS6-mediated cell wall remodeling to promote cotton chemical defoliation.The New phytologist · 2026Article
- Suppressing GhCKX optimizes the trade-off between photosynthesis and water use efficiency in cotton mature leaves under drought.The Plant journal : for cell and molecular biology · 2026Article
- Article
- Response of Plants to Touch Stress at Morphological, Physiological and Molecular Levels.International journal of molecular sciences · 2025Review
- Genomic Insights intoInternational journal of molecular sciences · 2025Article
- Comparative transcriptome analysis reveals the role of sugar signaling in response to high temperature stress in Armillaria gallica.BMC microbiology · 2025Article
- Verticillium dahliae Secretory Aspartyl Protease VdSAP Targets Cotton GhARP to Modulate Plant Defence and Defoliation.Molecular plant pathology · 2025Article
- Transcriptome analyses for revealing leaf abscission of Cyclocarya paliurus stem segments in vitro.BMC genomics · 2025Article
- Exogenously applied gibberellic acid and benzylamine modulate growth and chemical constituents of dwarf schefflera: a stepwise regression analysis.Scientific reports · 2024Article
- Genomic loci associated with leaf abscission contribute to machine picking and environmental adaptability in upland cotton (Gossypium hirsutum L.).Journal of advanced research · 2024Article
- Genomic insights into CKX genes: key players in cotton fibre development and abiotic stress responses.PeerJ · 2024Article
- Thidiazuron combined with cyclanilide modulates hormone pathways and ROS systems in cotton, increasing defoliation at low temperatures.Frontiers in plant science · 2024Article
- Morphological and physio-biochemical responses under heat stress in cotton: Overview.Biotechnology reports (Amsterdam, Netherlands) · 2023Review
- Phytohormones and candidate genes synergistically regulate fruitlet abscission in Areca catechu L.BMC plant biology · 2023Article
- GhCKX14 responding to drought stress by modulating antioxi-dative enzyme activity in Gossypium hirsutum compared to CKX family genes.BMC plant biology · 2023Article
- Comparative Physiological and Transcriptomic Mechanisms of Defoliation in Cotton in Response to Thidiazuron versus Ethephon.International journal of molecular sciences · 2023Article
- Low Temperature Inhibits the Defoliation Efficiency of Thidiazuron in Cotton by Regulating Plant Hormone Synthesis and the Signaling Pathway.International journal of molecular sciences · 2022Article
- Thidiazuron Promotes Leaf Abscission by Regulating the Crosstalk Complexities between Ethylene, Auxin, and Cytokinin in Cotton.International journal of molecular sciences · 2022Article
- The diverse roles of cytokinins in regulating leaf development.Horticulture research · 2021Review
- Ethylene-Cytokinin Interaction Determines Early Defense Response of Wheat againstBiomolecules · 2021Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abscission is a process that allows plants to shed tissues or organs via cell separation, and occurs throughout the life cycle. Removal of leaves through the use of chemical defoliants is very important for mechanical harvesting of cotton (Gossypium hirsutum). However, our knowledge of the molecular mechanisms of the defoliation response involved is limited. In this study, RNA-seq was conducted in order to profile the differentially expressed genes (DEGs) between cultivars X50 (sensitive to chemical defoliants) and X33 (relatively insensitive) at different time points after treatment with thidiazuron and ethephon (TE). A total of 2434 DEGs were identified between the two cultivars across the different time-points. Functional categories according to GO and KEGG analyses revealed that plant hormone signal transduction and zeatin biosynthesis were involved in the response to TE. Cytokinin oxidase/dehydrogenase (CKX) genes and ethylene-related genes were up-regulated following TE treatment, and were associated with increased level of ethylene, especially in cultivar X50. Down-regulation of GhCKX3 resulted in delayed defoliation and a reduced ethylene response. The results show that crosstalk between cytokinin and ethylene regulates cotton defoliation, and provide new insights into the molecular mechanisms underlying the mode of action of defoliants in cotton.
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