ArticlePlant physiology2023
Citrus ACC synthase CiACS4 regulates plant height by inhibiting gibberellin biosynthesis.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 30 citations in OpenAlex.
- The transcriptional cascade CiERF023Horticulture research · 2026Article
- A Hierarchical VvbHLH30-VvERF70-VvACS2 Module Orchestrates Ethylene Biosynthesis and Cold Adaptation in Grapevine.Plant biotechnology journal · 2026Article
- PpBRC1 negatively regulates branching via modulating GA signal transduction gene PpGID1b in peach (Prunus persica).Plant cell reports · 2026Article
- 'Bud to fruit'-hormonal interactions governing early fruit development.Journal of experimental botany · 2025Review
- Genome-wide association studies reveal genetic diversity and regulatory loci underlying dwarfing traits in banana.Journal of integrative plant biology · 2025Article
- miR156-SPLs module regulates flowering and controls plant height by modulating gibberellin biosynthesis in citrus.Plant biotechnology journal · 2025Article
- Multiomics analysis of gibberellin involved in far-red light-regulated internode elongation in cucumber seedlings.Plant cell reports · 2025Article
- The abscisic acid-responsive transcriptional regulatory module CsERF110-CsERF53 orchestrates citrus fruit coloration.Plant communications · 2024Article
- Adaptive Responses of Hormones to Nitrogen Deficiency inPlants (Basel, Switzerland) · 2024Article
- Article
- Genome-Wide Identification and Expression Analysis of 1-Aminocyclopropane-1-Carboxylate Synthase (Plants (Basel, Switzerland) · 2023Article
- Focus on fruit crops.Plant physiology · 2023Article
- Advancing tree genomics to future proof next generation orchard production.Frontiers in plant science · 2023Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Dwarfism is an agronomic trait that has substantial effects on crop yield, lodging resistance, planting density, and a high harvest index. Ethylene plays an important role in plant growth and development, including the determination of plant height. However, the mechanism by which ethylene regulates plant height, especially in woody plants, remains unclear. In this study, a 1-aminocyclopropane-1-carboxylic acid synthase (ACC) gene (ACS), which is involved in ethylene biosynthesis, was isolated from lemon (Citrus limon L. Burm) and named CiACS4. Overexpression of CiACS4 resulted in a dwarf phenotype in Nicotiana tabacum and lemon and increased ethylene release and decreased gibberellin (GA) content in transgenic plants. Inhibition of CiACS4 expression in transgenic citrus significantly increased plant height compared with the controls. Yeast two-hybrid assays revealed that CiACS4 interacted with an ethylene response factor (ERF), CiERF3. Further experiments revealed that the CiACS4-CiERF3 complex can bind to the promoters of 2 citrus GA20-oxidase genes, CiGA20ox1 and CiGA20ox2, and suppress their expression. In addition, another ERF transcription factor, CiERF023, identified using yeast one-hybrid assays, promoted CiACS4 expression by binding to its promoter. Overexpression of CiERF023 in N. tabacum caused a dwarfing phenotype. CiACS4, CiERF3, and CiERF023 expression was inhibited and induced by GA3 and ACC treatments, respectively. These results suggest that the CiACS4-CiERF3 complex may be involved in the regulation of plant height by regulating CiGA20ox1 and CiGA20ox2 expression levels in citrus.
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