ArticleThe Plant cell2024
ELONGATED HYPOCOTYL 5a modulates FLOWERING LOCUS T2 and gibberellin levels to control dormancy and bud break in poplar.
Article in The Plant cell, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 24 citations in OpenAlex.
- Photoreceptors as central hubs of developmental plasticity and environmental adaptation.Molecules and cells · 2026Review
- Targeting LUX1 to Enhance Wood Biomass Production by Delaying Seasonal Growth Cessation in Populus Trees.Plant, cell & environment · 2026Article
- Wake and break: deciphering the epigenetic regulation of dormancy onset and release in trees.The Plant cell · 2026Article
- Article
- ABSCISIC ACID-INSENSITIVE 5 (ABI5) Orchestrates Seasonal Growth Cessation and Wood Formation Inhibition inPlants (Basel, Switzerland) · 2026Article
- TheForestry research · 2026Article
- Genetic control of seasonal meristem arrest in trees.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Advances in Genetic Engineering Techniques for Improved Forest Trees: Applications in Biomass, Stress Resilience and Carbon Sequestration.International journal of molecular sciences · 2025Review
- Seasons change and so do trees: Expression profiling of aspen reveals season-specific gene hubs.The Plant cell · 2025Article
- Evaluation of the Global White Lupin Collection Reveals Significant Associations Between HomologousInternational journal of molecular sciences · 2025Article
- The Role of Phytohormones in Mediating Drought Stress Responses inInternational journal of molecular sciences · 2025Review
- Integrated analysis of the transcriptome and hormone metabolome elucidates the regulatory mechanisms governing walnut bud germination.BMC genomics · 2025Article
- Wake up: the regulation of dormancy release and bud break in perennial plants.Frontiers in plant science · 2025Review
- Spatiotemporal bifurcation of HY5-mediated blue-light signaling regulates wood development during secondary growth.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- A regulatory module mediating temperature control of cell-cell communication facilitates tree bud dormancy release.The EMBO journal · 2024Article
- Applications of CRISPR Technologies in Forestry and Molecular Wood Biotechnology.International journal of molecular sciences · 2024Review
- During long days, HY5a keeps dormancy away.The Plant cell · 2024Article
Corrections and comments
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Authors and funding
14 authors at 3 institutions in 1 country.
Funding
Abstract
Photoperiod is a crucial environmental cue for phenological responses, including growth cessation and winter dormancy in perennial woody plants. Two regulatory modules within the photoperiod pathway explain bud dormancy induction in poplar (Populus spp.): the circadian oscillator LATE ELONGATED HYPOCOTYL 2 (LHY2) and GIGANTEA-like genes (GIs) both regulate the key target for winter dormancy induction FLOWERING LOCUS T2 (FT2). However, modification of LHY2 and GIs cannot completely prevent growth cessation and bud set under short-day (SD) conditions, indicating that additional regulatory modules are likely involved. We identified PtoHY5a, an orthologs of the photomorphogenesis regulatory factor ELONGATED HYPOCOTYL 5 (HY5) in poplar (Populus tomentosa), that directly activates PtoFT2 expression and represses the circadian oscillation of LHY2, indirectly activating PtoFT2 expression. Thus, PtoHY5a suppresses SD-induced growth cessation and bud set. Accordingly, PtoHY5a knockout facilitates dormancy induction. PtoHY5a also inhibits bud-break in poplar by controlling gibberellic acid (GA) levels in apical buds. Additionally, PtoHY5a regulates the photoperiodic control of seasonal growth downstream of phytochrome PHYB2. Thus, PtoHY5a modulates seasonal growth in poplar by regulating the PtoPHYB2-PtoHY5a-PtoFT2 module to determine the onset of winter dormancy, and by fine-tuning GA levels to control bud-break.
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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.