ArticlePloS one2014
Roles of gibberellin catabolism and signaling in growth and physiological response to drought and short-day photoperiods in Populus trees.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed, 113 citations in OpenAlex.
- A potential role for DELLA signaling in global treeline formation.The New phytologist · 2026Review
- Exogenous gibberellin promotes lateral branch development in stumping Pinus yunnanensis by regulating endogenous hormones and TCP genes.BMC plant biology · 2026Article
- PsGA2ox2 is a novel target of miR159 involved in endodormancy regulation in tree peony (Paeonia suffruticosa).Molecular horticulture · 2026Article
- VvGA2ox8-Like from grape confers drought tolerance by activating the antioxidant defense system.Plant cell reports · 2026Article
- Influence ofJournal of fungi (Basel, Switzerland) · 2025Article
- Nature's Master of Ceremony: TheNpj biological timing and sleep · 2025Article
- Jasmonic acid negatively regulates branch growth in pear.Frontiers in plant science · 2023Article
- Exogenous Phytohormones and Fertilizers EnhancePlants (Basel, Switzerland) · 2022Article
- Genome-wide identification and expression analysis of the3 Biotech · 2022Article
- Gibberellin in tomato: metabolism, signaling and role in drought responses.Molecular horticulture · 2021Review
- Field evaluation of transgenic hybrid poplars with desirable wood properties and enhanced growth for biofuel production by bicistronic expression of PdGA20ox1 and PtrMYB3 in wood-forming tissue.Biotechnology for biofuels · 2021Article
- Multiple responses contribute to the enhanced drought tolerance of the autotetraploid Ziziphus jujuba Mill. var. spinosa.Cell & bioscience · 2021Article
- Growing in time: exploring the molecular mechanisms of tree growth.Tree physiology · 2021Review
- Histological, Physiological and Transcriptomic Analysis Reveal Gibberellin-Induced Axillary Meristem Formation in Garlic (Plants (Basel, Switzerland) · 2020Article
- Transcriptome Profiles Reveal the Growth-Promoting Mechanisms ofFrontiers in microbiology · 2020Article
- Dual Role of Gibberellin in Perennial Shoot Branching: Inhibition and Activation.Frontiers in plant science · 2020Article
- SLR1 inhibits MOC1 degradation to coordinate tiller number and plant height in rice.Nature communications · 2019Article
- Hormonal Orchestration of Bud Dormancy Cycle in Deciduous Woody Perennials.Frontiers in plant science · 2019Review
- Exogenous application of GAMolecular genetics and genomics : MGG · 2018Article
- Drought Sensitivity of Norway Spruce at the Species' Warmest Fringe: Quantitative and Molecular Analysis Reveals High Genetic Variation Among and Within Provenances.G3 (Bethesda, Md.) · 2018Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Survival and productivity of perennial plants in temperate zones are dependent on robust responses to prolonged and seasonal cycles of unfavorable conditions. Here we report whole-genome microarray, expression, physiological, and transgenic evidence in hybrid poplar (Populus tremula × Populus alba) showing that gibberellin (GA) catabolism and repressive signaling mediates shoot growth inhibition and physiological adaptation in response to drought and short-day (SD) induced bud dormancy. Both water deprivation and SDs elicited activation of a suite of poplar GA2ox and DELLA encoding genes. Poplar transgenics with up-regulated GA 2-oxidase (GA2ox) and DELLA domain proteins showed hypersensitive growth inhibition in response to both drought and SDs. In addition, the transgenic plants displayed greater drought resistance as evidenced by increased pigment concentrations (chlorophyll and carotenoid) and reductions in electrolyte leakage (EL). Comparative transcriptome analysis using whole-genome microarray showed that the GA-deficiency and GA-insensitivity, SD-induced dormancy, and drought response in poplar share a common regulon of 684 differentially-expressed genes, which suggest GA metabolism and signaling plays a role in plant physiological adaptations in response to alterations in environmental factors. Our results demonstrate that GA catabolism and repressive signaling represents a major route for control of growth and physiological adaptation in response to immediate or imminent adverse conditions.
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