ArticleGenome biology2022
PtoNF-YC9-SRMT-PtoRD26 module regulates the high saline tolerance of a triploid poplar.
Article in Genome biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 34 citations in OpenAlex.
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- The E3 ubiquitin ligase RHB1A and the transcription factor GRF1 form a regulatory module that orchestrates the trade-off between photosynthetic growth and salt tolerance in poplar.Plant communications · 2026Article
- CCR4-associated factor CAF1I promotes plant growth and ectomycorrhizal formation in Populus tomentosa.Mycorrhiza · 2026Article
- Chromosome-level genome assembly of triploid Cyperus rotundus uncovers allelic expression patterns and herbicide resistance mechanisms.Plant communications · 2026Article
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- Comparative transcriptome analysis of differentially expressed genes of Medicago falcata L. breeding lines response to saline-alkaline stress.BMC plant biology · 2025Article
- Four near-complete genome assemblies reveal the landscape and evolution of centromeres in Salicaceae.Genome biology · 2025Article
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- The Class I HD-ZIP transcription factor PagHB7a functions as a positive regulator of salt tolerance inForestry research · 2025Article
- Molecular Mechanisms of Heterosis and Its Applications in Tree Breeding: Progress and Perspectives.International journal of molecular sciences · 2024Review
- Polyploidization: A Biological Force That Enhances Stress Resistance.International journal of molecular sciences · 2024Review
- Physiological responses and transcriptomic analysis ofFrontiers in plant science · 2024Article
- Allelic variation in transcription factor PtoWRKY68 contributes to drought tolerance in Populus.Plant physiology · 2023Article
- Recent Advances in Assembly of Complex Plant Genomes.Genomics, proteomics & bioinformatics · 2023Review
- Crucial Abiotic Stress Regulatory Network of NF-Y Transcription Factor in Plants.International journal of molecular sciences · 2023Review
- Application and prospects of single-cell and spatial omics technologies in woody plants.Forestry research · 2023Review
- PtoWRKY40 interacts with PtoPHR1-LIKE3 while regulating the phosphate starvation response in poplar.Plant physiology · 2022Article
- PtoNF-YC9-SRMT-PtoRD26 module regulates the high saline tolerance of a triploid poplar.Genome biology · 2022Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSensing and responding to stresses determine the tolerance of plants to adverse environments. The triploid Chinese white poplar is widely cultivated in North China because of its adaptation to a wide range of habitats including highly saline ones. However, its triploid genome complicates any detailed investigation of the molecular mechanisms underlying its adaptations.
resultsWe report a haplotype-resolved genome of this triploid poplar and characterize, using reverse genetics and biochemical approaches, a MYB gene, SALT RESPONSIVE MYB TRANSCRIPTION FACTOR (SRMT), which combines NUCLEAR FACTOR Y SUBUNIT C 9 (PtoNF-YC9) and RESPONSIVE TO DESICCATION 26 (PtoRD26), to regulate an ABA-dependent salt-stress response signaling. We reveal that the salt-inducible PtoRD26 is dependent on ABA signaling. We demonstrate that ABA or salt drives PtoNF-YC9 shuttling into the nucleus where it interacts with SRMT, resulting in the rapid expression of PtoRD26 which in turn directly regulates SRMT. This positive feedback loop of SRMT-PtoRD26 can rapidly amplify salt-stress signaling. Interference with either component of this regulatory module reduces the salt tolerance of this triploid poplar.
conclusionOur findings reveal a novel ABA-dependent salt-responsive mechanism, which is mediated by the PtoNF-YC9-SRMT-PtoRD26 module that confers salt tolerance to this triploid poplar. These genes may therefore also serve as potential and important modification targets in breeding programs.
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