ArticlePlant physiology2024
Abscisic acid-induced transcription factor PsMYB306 negatively regulates tree peony bud dormancy release.
Article in Plant physiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 21 citations in OpenAlex.
- Review
- Potential roles of pseudobulbs in mediating signal responses and hormone translocation during floral bud dormancy release in Pleione bulbocodioides.BMC plant biology · 2026Article
- Tissue specific mechanisms of tuber dormancy after 1,4-dimethylnaphthalene treatment in potato.Food chemistry. Molecular sciences · 2026Article
- TaCNGC-2A suppresses seed dormancy and activates pre-harvest sprouting through modulating calcium and hormonal signaling pathways.Nature communications · 2026Article
- Integrated analyses reveal drought responsive microRNAs and their target genes in cucumber.BMC genomics · 2025Article
- An Efficient Agrobacterium-Mediated Transient Transformation System Using In Vitro Embryo-Derived Seedlings for Gene Function Elucidation inPlants (Basel, Switzerland) · 2025Article
- Unlocking the molecular secrets ofHorticulture research · 2025Article
- Article
- Integrated analysis of the transcriptome and hormone metabolome elucidates the regulatory mechanisms governing walnut bud germination.BMC genomics · 2025Article
- Structure, evolution, and roles of MYB transcription factors proteins in secondary metabolite biosynthetic pathways and abiotic stresses responses in plants: a comprehensive review.Frontiers in plant science · 2025Review
- Functional Identification of MhPYL4 Involved in Iron-Deficiency Stress in Malus Halliana Koehne.Plants (Basel, Switzerland) · 2024Article
- Integrated metabolome and transcriptome analysis reveals potential mechanism during the bud dormancy transition ofFrontiers in plant science · 2024Article
- Editorial: Building climate resilient deciduous tree crops by deciphering winter dormancy.Frontiers in plant science · 2024Article
- A tree peony RING-H2 finger protein, PsATL33, plays an essential role in cold-induced bud dormancy release by regulating gibberellin content.Frontiers in plant science · 2024Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
Abstract
Bud dormancy is a crucial strategy for perennial plants to withstand adverse winter conditions. However, the regulatory mechanism of bud dormancy in tree peony (Paeonia suffruticosa) remains largely unknown. Here, we observed dramatically reduced and increased accumulation of abscisic acid (ABA) and bioactive gibberellins (GAs) GA1 and GA3, respectively, during bud endodormancy release of tree peony under prolonged chilling treatment. An Illumina RNA sequencing study was performed to identify potential genes involved in the bud endodormancy regulation in tree peony. Correlation matrix, principal component, and interaction network analyses identified a downregulated MYB transcription factor gene, PsMYB306, the expression of which positively correlated with 9-CIS-EPOXYCAROTENOID DIOXYGENASE 3 (PsNCED3) expression. Protein modeling analysis revealed 4 residues within the R2R3 domain of PsMYB306 to possess DNA binding capability. Transcription of PsMYB306 was increased by ABA treatment. Overexpression of PsMYB306 in petunia (Petunia hybrida) inhibited seed germination and plant growth, concomitant with elevated ABA and decreased GA contents. Silencing of PsMYB306 accelerated cold-triggered tree peony bud burst and influenced the production of ABA and GAs and the expression of their biosynthetic genes. ABA application reduced bud dormancy release and transcription of ENT-KAURENOIC ACID OXIDASE 1 (PsKAO1), GA20-OXIDASE 1 (PsGA20ox1), and GA3-OXIDASE 1 (PsGA3ox1) associated with GA biosynthesis in PsMYB306-silenced buds. In vivo and in vitro binding assays confirmed that PsMYB306 specifically transactivated the promoter of PsNCED3. Silencing of PsNCED3 also promoted bud break and growth. Altogether, our findings suggest that PsMYB306 negatively modulates cold-induced bud endodormancy release by regulating ABA production.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.