ArticlePlant physiology2025
Phase separation of MYB73 regulates seed oil biosynthesis in Arabidopsis.
Article in Plant physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- From wrinkled seeds to plant oil accumulation networks: the legacy of a Plant Physiology classic.Plant physiology · 2026Review
- Review
- Gene expression landscapes driving early life stages of the keystone seagrass Posidonia oceanica.Plant cell reports · 2026Article
- MYB-TPL transcriptional condensates modulate seed oil accumulation in Arabidopsis.Plant physiology · 2026Article
- A single-MYB transcription factor GmMYB331 regulates seed oil accumulation and seed size/weight in soybean.Journal of integrative plant biology · 2026Article
- Transcriptional outputs and condensates - formation and function.The New phytologist · 2026Review
- Lipid regulation inFrontiers in plant science · 2026Review
- Transcription Factor BnaC04.MYB89 Negatively Regulates Seed Fatty Acid Biosynthesis inPlants (Basel, Switzerland) · 2025Article
- A La Carte Seed Harvesting:Ecology and evolution · 2025Article
- A bHLH7-PDF2 module mediates transcriptional regulation to repress seed oil accumulation in Arabidopsis thaliana.Plant communications · 2025Article
- A bHLH7-PDF2 module mediates transcriptional regulation to repress seed oil accumulation in Arabidopsis thaliana.Plant communications · 2025Article
- Fatty Acid and Lipid Metabolism in Oil Palm: From Biochemistry to Molecular Mechanisms.International journal of molecular sciences · 2025Review
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Authors and funding
10 authors.
Funding
Abstract
MYB family transcription factors (TFs) play crucial roles in plant development, metabolism, and responses to various stresses. However, whether MYB TFs are involved in regulating fatty acid biosynthesis in seeds remains largely elusive. Here, we demonstrated that transgenic Arabidopsis (Arabidopsis thaliana) plants overexpressing MYB73 exhibit altered FATTY ACID ELONGATION1 (FAE1) expression, seed oil content, and seed fatty acid composition. Electrophoretic mobility shift assays showed that FAE1 is a direct target of MYB73, and functional assays revealed that MYB73 represses FAE1 promoter activity. Transcriptomic analysis of the MYB73-overexpressing plants detected significant changes in the expression of genes involved in fatty acid biosynthesis and triacylglycerol assembly. Furthermore, MYB73 expression was responsive to abscisic acid (ABA), and ABA-responsive element binding factor 2 directly bound to the ABA-responsive element in the MYB73 promoter to activate its expression. Additionally, we determined that MYB73 exhibits the hallmarks of an intrinsically disordered protein and forms phase-separated condensates with liquid-like characteristics, which are important in regulating target gene expression. Together, our findings suggest that MYB73 condensate formation likely fine-tunes seed oil biosynthesis.
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