ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Domestication of Tartary Buckwheat Shaped a Regulatory Module for Seedling Salt Tolerance by Targeting the Magnesium Transporter Gene FtMGT2.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Domestication of Tartary Buckwheat Shaped a Regulatory Module for Seedling Salt Tolerance by Targeting the Magnesium Transporter Gene FtMGT2.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- The C3H zinc finger gene family in tartary buckwheat: genome-wide characterization, evolution, and a specialized role in salt stress response.Frontiers in plant science · 2026Article
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Authors and funding
24 authors.
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Abstract
Globally, soil salinization increasingly affects farmland, severely limiting the production of Tartary buckwheat (Fagopyrum tataricum). To identify genetic factors for salt tolerance, we analyzed core Tartary buckwheat accessions and utilized differential expression analysis and genome-wide association studies (GWAS), identifying a key domesticated magnesium transporter protein, FtMGT2. A single nucleotide polymorphism (SNP) genotype (G/A) of a natural variant located in the FtMGT2 promoter was found to be positively associated with the expression of FtMGT2 and salt tolerance variation. Mechanistically, the MADS transcription factor FtAGL16 binds the A variant more strongly. FtAGL16 and the MYB transcription factor FtMYB15L co-regulate FtMGT2 transcription, with FtMYB15L protein stability strictly controlled by the E3 ubiquitin ligase FtBRG1. Intriguingly, under salt stress, FtAGL16 can compete with FtBRG1 for binding to FtMYB15L, stabilizing and accumulating FtMYB15L. This enhances FtMGT2 expression, increasing Mg
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