ArticleJournal of experimental botany2013
A DELLA gene, RhGAI1, is a direct target of EIN3 and mediates ethylene-regulated rose petal cell expansion via repressing the expression of RhCesA2.
Article in Journal of experimental botany, 2013. 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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25 citing papers in PubMed, 62 citations in OpenAlex.
- Histone deacetylation links jasmonic acid signaling to flower size control in rose.Molecular horticulture · 2026Article
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- The GAs-RhMYB70 feedback loop fine-tunes cell expansion and petal size by modulating cellulose content in rose.Horticulture research · 2025Article
- Sizing up beauty: Mechanisms of petal size regulation in ornamental plants.Plant physiology · 2025Review
- Interfamily Grafted HybridsPlants (Basel, Switzerland) · 2024Article
- The characterization ofFrontiers in plant science · 2024Article
- Comparative transcriptome profiling reveals the multiple levels of crosstalk in phytohormone networks in Brassica napus.Plant biotechnology journal · 2023Article
- DNA-Binding One Finger Transcription FactorInternational journal of molecular sciences · 2023Article
- Citrus ACC synthase CiACS4 regulates plant height by inhibiting gibberellin biosynthesis.Plant physiology · 2023Article
- Comparative Anatomical and Transcriptomics Reveal the Larger Cell Size as a Major Contributor to Larger Fruit Size in Apricot.International journal of molecular sciences · 2023Article
- TcbZIP60 positively regulates pyrethrins biosynthesis inFrontiers in plant science · 2023Article
- Transcriptomic profiling of rose flower under treatment of various phytohormones and plant growth regulators.Scientific data · 2022Article
- An Aux/IAA Family Member,Genes · 2022Article
- Genome-Wide Identification and Expression Analysis ofPlants (Basel, Switzerland) · 2022Article
- PlMYB308 Regulates Flower Senescence by Modulating Ethylene Biosynthesis in Herbaceous Peony.Frontiers in plant science · 2022Article
- Molecular understanding of postharvest flower opening and senescence.Molecular horticulture · 2021Review
- Gene Regulation via the Combination of Transcription Factors in the INDETERMINATE DOMAIN and GRAS Families.Genes · 2020Article
- Expression of Gibberellin Metabolism Genes and Signalling Components in Dwarf Phenotype of Breadfruit (Plants (Basel, Switzerland) · 2020Article
- A detached petal disc assay and virus-induced gene silencing facilitate the study ofHorticulture research · 2019Article
- An ETHYLENE INSENSITIVE3-LIKE1 Protein Directly Targets theFrontiers in plant science · 2019Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ethylene plays an important role in organ growth. In Arabidopsis, ethylene can inhibit root elongation by stabilizing DELLA proteins. In previous work, it was found that ethylene suppressed cell expansion in rose petals, and five unisequences of DELLA genes are induced by ethylene. However, the mechanism of transcriptional regulation of DELLA genes by ethylene is still not clear. The results showed that the expression of RhGAI1 was induced in both ethylene-treated and ETR gene-silenced rose petals, and the promoter activity of RhGAI1 was strongly induced by RhEIN3-3 in Arabidopsis protoplasts. What is more, RhEIN3-3 could bind to the promoter of RhGAI1 directly in an electrophoretic mobility shift assay (EMSA). Cell expansion was suppressed in RhGAI1-Δ17-overexpressed Arabidopsis petals and promoted in RhGAI1-silenced rose petals. Moreover, in RhGAI1-silenced petals, the expression of nine cell expansion-related genes was clearly changed, and RhGAI1 can bind to the promoter of RhCesA2 in an EMSA. These results suggested that RhGAI1 was regulated by ethylene at the transcriptional level, and RhGAI1 was a direct target of RhEIN3-3. Also, RhGAI1 was shown to be involved in cell expansion partially through regulating the expression of cell expansion-related genes. Furthermore, RhCesA2 was a direct target of RhGAI1. This work uncovers the transcriptional regulation of RhGAI1 by ethylene and provides a better understanding of how ethylene regulates petal expansion in roses.
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