ArticleInternational journal of molecular sciences2023
Interaction of VvDELLA2 and VvCEB1 Mediates Expression of Expansion-Related Gene during GA-Induced Enlargement of Grape Fruit.
Article in International journal of molecular sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A Shade Intensity Threshold Triggers Gibberellin Metabolic Reprogramming to Drive Shade Avoidance in Soybean.International journal of molecular sciences · 2026Article
- Integrated transcriptomic and Metabolomic insights into the dynamic changes in gene expression and secondary metabolites in gibberellin-treated grape berries.Food chemistry. Molecular sciences · 2026Article
- Comprehensive Analysis of Boron-Induced Changes in Cell Expansion and Phytohormone During Early Ovary Development in Pear (Plants (Basel, Switzerland) · 2025Article
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5 authors.
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Abstract
Exogenous gibberellin treatment can promote early growth of grape fruit, but the underlying regulatory mechanisms are not well understood. Here, we show that VvDELLA2 directly regulates the activity of the VvCEB1 transcription factor, a key regulator in the control of cell expansion in grape fruit. Our results show that VvCEB1 binds directly to the promoters of cell expansion-related genes in grape fruit and acts as a transcriptional activator, while VvDELLA2 blocks VvCEB1 function by binding to its activating structural domain. The exogenous gibberellin treatment relieved this inhibition by promoting the degradation of VvDELLA2 protein, thus, allowing VvCEB1 to transcriptionally activate the expression of cell expansion-related genes. In conclusion, we conclude that exogenous GA
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