ArticleJournal of experimental botany2016
Arabidopsis GPAT9 contributes to synthesis of intracellular glycerolipids but not surface lipids.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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57 citing papers in PubMed, 117 citations in OpenAlex.
- Rational gene stacking for seed-specific carbon partitioning to simultaneously enhance lipid and protein contents in Arabidopsis.Journal of experimental botany · 2026Article
- Identification and Functional Characterization of the GPAT Gene Family in Regulating Oil Biosynthesis in Olive.Plants (Basel, Switzerland) · 2026Article
- Lipid droplet proteome plasticity in plant evolution, growth and development, and response to stress.Journal of experimental botany · 2026Review
- Elucidating putative novel functions of the AINTEGUMENTA-LIKE 7 transcription factor in clubroot resistance in Arabidopsis.Plant molecular biology · 2026Article
- Understanding the dynamic nature of plant lipid anabolic and catabolic metabolism is key to sustainable oilseed engineering.The New phytologist · 2026Review
- Genome-wide characterization and transcriptional profiling of the glycerol-3-phosphate acyltransferase (GPAT) family in barley reveals the role of HvGPAT1 in low nitrogen tolerance.BMC plant biology · 2026Article
- Arabidopsis root lipid droplets are hubs for membrane homeostasis under heat stress, and triterpenoid synthesis and storage.The New phytologist · 2026Article
- Lipid regulation inFrontiers in plant science · 2026Review
- Genome-wide analysis of theFrontiers in plant science · 2026Article
- Genetic Regulation and Breeding Application of Medium-Chain Fatty Acids Metabolism in Rice.Biology · 2025Review
- Transcriptome Analysis Reveals Metabolic Pathways and Key Genes Involved in Oleic Acid Formation of Sunflower (International journal of molecular sciences · 2025Article
- Functions of Arabidopsis CTP:phosphocholine cytidylyltransferase 1 in phosphatidylcholine biosynthesis and root growth.Plant physiology · 2025Article
- Inducible expression of DEFECTIVE IN ANTHER DEHISCENCE 1 enhances triacylglycerol accumulation and lipid droplet formation in vegetative tissues.The Plant journal : for cell and molecular biology · 2025Article
- Towards rational control of seed oil composition: dissecting cellular organization and flux control of lipid metabolism.Plant physiology · 2025Review
- BnLPAT2 gene regulates oil accumulation in Brassica napus by modulating linoleic and linolenic acid levels in seeds.PloS one · 2025Article
- Synergistic mechanisms of DGAT and PDAT in shaping triacylglycerol diversity: evolutionary insights and metabolic engineering strategies.Frontiers in plant science · 2025Review
- Genomic insights into ecological adaptation of oaks revealed by phylogenomic analysis of multiple species.Plant diversity · 2025Article
- Genome-Wide Identification of the GPAT Family inPlants (Basel, Switzerland) · 2024Article
- Cuticle deposition ceases during strawberry fruit development.BMC plant biology · 2024Article
- Genome-Wide Identification, Characterization, Evolutionary Analysis, and Expression Pattern of the GPAT Gene Family in Barley and Functional Analysis ofInternational journal of molecular sciences · 2024Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE (GPAT) genes encode enzymes involved in glycerolipid biosynthesis in plants. Ten GPAT homologues have been identified in Arabidopsis. GPATs 4-8 have been shown to be involved in the production of extracellular lipid barrier polyesters. Recently, GPAT9 was reported to be essential for triacylglycerol (TAG) biosynthesis in developing Arabidopsis seeds. The enzymatic properties and possible functions of GPAT9 in surface lipid, polar lipid and TAG biosynthesis in non-seed organs, however, have not been investigated. Here we show that Arabidopsis GPAT9 exhibits sn-1 acyltransferase activity with high specificity for acyl-coenzyme A, thus providing further evidence that this GPAT is involved in storage lipid biosynthesis. We also confirm a role for GPAT9 in seed oil biosynthesis and further demonstrate that GPAT9 contributes to the biosynthesis of both polar lipids and TAG in developing leaves, as well as lipid droplet production in developing pollen grains. Conversely, alteration of constitutive GPAT9 expression had no obvious effects on surface lipid biosynthesis. Taken together, these studies expand our understanding of GPAT9 function to include modulation of several different intracellular glycerolipid pools in plant cells.
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