ArticleBiotechnology for biofuels and bioproducts2025
Seed-specific expression of phosphatidate phosphohydrolases increases soybean oil content and seed weight.
Article in Biotechnology for biofuels and bioproducts, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Genome-Wide Identification of the Phosphoglycerate Kinases and Functional Analysis ofPlants (Basel, Switzerland) · 2026Article
- A single-MYB transcription factor GmMYB331 regulates seed oil accumulation and seed size/weight in soybean.Journal of integrative plant biology · 2026Article
- Targets and strategies to design soybean seed composition traits.The plant genome · 2025Review
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5 authors.
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Abstract
backgroundSoybean is a major oil crop and a primary protein source for livestock, and soybean oil is the most common input for biodiesel. Identifying genes that enhance soybean yield and oil content is crucial for breeding programs. Phosphatidic acid (PA) phosphohydrolase (PAH), which dephosphorylates PA to diacylglycerol (DAG), plays a critical role in lipid synthesis, and yet their potential in improving agronomic traits of oil crops remains unexplored.
resultsThis study shows that seed-specific expression of AtPAH1/2 enhances PA turnover into DAG and triacylglycerol (TAG) accumulation in soybean seeds. PAH overexpression upregulated the expression of DAG acyltransferase (DGAT) but suppressed phospholipid: DAG acyltransferase (PDAT). In addition, seed-specific expression of AtPAH1/2 increases soybean seed size and weight. Furthermore, analysis of the variation of the soybean PAHs in 4414 soybean accessions indicated that the advantageous effects of GmPAHs on oil content and seed weight were selected during domestication.
conclusionThese findings suggest that targeting PAHs represents a promising strategy for enhancing soybean seed oil content and yield in current cultivars and landraces soybeans.
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