ArticlePlant physiology2021
Triacylglycerol remodeling in Physaria fendleri indicates oil accumulation is dynamic and not a metabolic endpoint.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 28 citations in OpenAlex.
- Diacylglycerol enantiomer selectivity of diacylglycerol acyltransferases highlights metabolic specialization in triacylglycerol synthesis across the tree of life.Bioscience reports · 2026Article
- A small-scale CRISPR mutant library in rapeseed of commercial cultivar Zhongshuang 11.Horticulture research · 2026Article
- Opposite diacylglycerol enantiomeric specificities of Arabidopsis DGAT1 and DGAT2 reveal distinct roles in TAG synthesis.Plant physiology · 2026Article
- Understanding the dynamic nature of plant lipid anabolic and catabolic metabolism is key to sustainable oilseed engineering.The New phytologist · 2026Review
- Incorporation of omega-3 polyunsaturated fatty acids into glycerolipids in microalgaApplied and environmental microbiology · 2025Article
- Complete replacement of Arabidopsis oil-producing enzymes with heterologous diacylglycerol acyltransferases.Plant physiology · 2025Article
- Towards rational control of seed oil composition: dissecting cellular organization and flux control of lipid metabolism.Plant physiology · 2025Review
- Born of frustration: the emergence of Camelina sativa as a platform for lipid biotechnology.Plant physiology · 2025Review
- Identification of novel candidate genes for regulating oil composition in soybean seeds under environmental stresses.Frontiers in plant science · 2025Article
- The first intron and promoter of Arabidopsis DIACYLGLYCEROL ACYLTRANSFERASE 1 exert synergistic effects on pollen and embryo lipid accumulation.The New phytologist · 2025Article
- Self-incompatibility based functional genomics for rapid phenotypic characterization of seed metabolism genes.Plant biotechnology journal · 2024Article
- Identification of triacylglycerol remodeling mechanism to synthesize unusual fatty acid containing oils.Nature communications · 2024Article
- Using field evaluation and systematic iteration to rationalize the accumulation of omega-3 long-chain polyunsaturated fatty acids in transgenic Camelina sativa.Plant biotechnology journal · 2022Article
- A maize triacylglycerol lipase inhibits sugarcane mosaic virus infection.Plant physiology · 2022Article
- A lipidomics platform to analyze the fatty acid compositions of non-polar and polar lipid molecular species from plant tissues: Examples from developing seeds and seedlings of pennycress (Frontiers in plant science · 2022Article
- Molecular Approaches Reduce Saturates and EliminateFrontiers in plant science · 2022Review
- Suppression ofFrontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oilseed plants accumulate triacylglycerol (TAG) up to 80% of seed weight with the TAG fatty acid composition determining its nutritional value or use in the biofuel or chemical industries. Two major pathways for production of diacylglycerol (DAG), the immediate precursor to TAG, have been identified in plants: de novo DAG synthesis and conversion of the membrane lipid phosphatidylcholine (PC) to DAG, with each pathway producing distinct TAG compositions. However, neither pathway fits with previous biochemical and transcriptomic results from developing Physaria fendleri seeds for accumulation of TAG containing >60% lesquerolic acid (an unusual 20 carbon hydroxylated fatty acid), which accumulates at only the sn-1 and sn-3 positions of TAG. Isotopic tracing of developing P. fendleri seed lipid metabolism identified that PC-derived DAG is utilized to initially produce TAG with only one lesquerolic acid. Subsequently a nonhydroxylated fatty acid is removed from TAG (transiently reproducing DAG) and a second lesquerolic acid is incorporated. Thus, a dynamic TAG remodeling process involving anabolic and catabolic reactions controls the final TAG fatty acid composition. Reinterpretation of P. fendleri transcriptomic data identified potential genes involved in TAG remodeling that could provide a new approach for oilseed engineering by altering oil fatty acid composition after initial TAG synthesis; and the comparison of current results to that of related Brassicaceae species in the literature suggests the possibility of TAG remodeling involved in incorporation of very long-chain fatty acids into the TAG sn-1 position in various plants.
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