ArticleGenetics and molecular biology2022
Functional analysis of alternative castor bean DGAT enzymes.
Article in Genetics and molecular biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- Triacylglycerol synthesis in microalgae under abiotic stress: an updated integrative review.Plant & cell physiology · 2026Review
- Functional diversity of sunflower DGAT1 and DGAT2 enzymes underlying seed triacylglycerol biosynthesis.Frontiers in plant science · 2026Article
- Genome-wide analysis of DGAT gene family in Coix lacryma jobi L. and functional characterization in yeast H1246.BMC plant biology · 2025Article
- Complete replacement of Arabidopsis oil-producing enzymes with heterologous diacylglycerol acyltransferases.Plant physiology · 2025Article
- Synergistic mechanisms of DGAT and PDAT in shaping triacylglycerol diversity: evolutionary insights and metabolic engineering strategies.Frontiers in plant science · 2025Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The diversity of diacylglycerol acyltransferases (DGATs) indicates alternative roles for these enzymes in plant metabolism besides triacylglycerol (TAG) biosynthesis. In this work, we functionally characterized castor bean (Ricinus communis L.) DGATs assessing their subcellular localization, expression in seeds, capacity to restore triacylglycerol (TAG) biosynthesis in mutant yeast and evaluating whether they provide tolerance over free fatty acids (FFA) in sensitive yeast. RcDGAT3 displayed a distinct subcellular localization, located in vesicles outside the endoplasmic reticulum (ER) in most leaf epidermal cells. This enzyme was unable to restore TAG biosynthesis in mutant yeast; however, it was able to outperform other DGATs providing higher tolerance over FFA. RcDAcTA subcellular localization was associated with the ER membranes, resembling RcDGAT1 and RcDGAT2, but it failed to rescue the long-chain TAG biosynthesis in mutant yeast, even with fatty acid supplementation. Besides TAG biosynthesis, our results suggest that RcDGAT3 might have alternative functions and roles in lipid metabolism.
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Registered trials
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