ArticlePlant cell reports2020
A MADS-box gene, EgMADS21, negatively regulates EgDGAT2 expression and decreases polyunsaturated fatty acid accumulation in oil palm (Elaeis guineensis Jacq.).
Article in Plant cell reports, 2020. 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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12 citing papers in PubMed, 29 citations in OpenAlex.
- Haplotype bias detection using pedigree-based transmission simulation: traces of selection that occurred in apple breeding.Horticulture research · 2026Article
- Comparative transcriptomics reveals key regulatory networks underlying cold stress adaptation in oil palm (Frontiers in plant science · 2025Article
- Transcriptional and metabolic analysis of oleic acid synthesis in seedless and tenera oil palm species.Frontiers in plant science · 2025Article
- Unveiling the Secrets of Oil Palm Genetics: A Look into Omics Research.International journal of molecular sciences · 2024Review
- EgMADS3 directly regulates EgLPAAT to mediate medium-chain fatty acids (MCFA) anabolism in the mesocarp of oil palm.Plant cell reports · 2024Article
- Metabonomics and Transcriptomic Analysis of Free Fatty Acid Synthesis in Seedless and Tenera Oil Palm.International journal of molecular sciences · 2024Article
- Genome-wide characterization and expression analysis of MADS-box transcription factor gene family inFrontiers in plant science · 2023Article
- Identification and expression analysis of the MADS-box genes of Kentucky bluegrass during inflorescence development.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Genome-wide identification and expression analysis of bZIP transcription factors in oil palm (Elaeis guineensis Jacq.) under abiotic stress.Protoplasma · 2022Article
- Editorial: Dissection of the molecular basis of fatty acid composition in oil crops and molecular breeding of oil crops with improved fatty acid composition.Frontiers in plant science · 2022Article
- Integrative iTRAQ-based proteomic and transcriptomic analysis reveals the accumulation patterns of key metabolites associated with oil quality during seed ripening of Camellia oleifera.Horticulture research · 2021Article
- EgmiR5179 Regulates Lipid Metabolism by Targeting EgMADS16 in the Mesocarp of Oil Palm (Frontiers in plant science · 2021Article
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6 authors at 1 institution in 1 country.
Funding
Abstract
key messageEgMADS21 regulates PUFA accumulation in oil palm. Oil palm (Elaeis guineensis Jacq.) is the most productive world oil crop, accounting for 36% of world plant oil production. However, the molecular mechanism of the transcriptional regulation of fatty acid accumulation and lipid synthesis in the mesocarp of oil palm by up- or downregulating the expression of genes involved in related pathways remains largely unknown. Here, an oil palm MADS-box gene, EgMADS21, was screened in a yeast one-hybrid assay using the EgDGAT2 promoter sequence as bait. EgMADS21 is preferentially expressed in early mesocarp developmental stages in oil palm fruit and presents a negative correlation with EgDGAT2 expression. The direct binding of EgMADS21 to the EgDGAT2 promoter was confirmed by electrophoretic mobility shift assay. Subsequently, transient expression of EgMADS21 in oil palm protoplasts revealed that EgMADS21 not only binds to the EgDGAT2 promoter but also negatively regulates the expression of EgDGAT2. Furthermore, EgMADS21 was stably overexpressed in transgenic oil palm embryoids by Agrobacterium-mediated transformation. In three independent transgenic lines, EgDGAT2 expression was significantly suppressed by the expression of EgMADS21. The content of linoleic acid (C18:2) in the three transgenic embryoids was significantly decreased, while that of oleic acid (C18:1) was significantly increased. Combined with the substrate preference of EgDGAT2 identified in previous research, the results demonstrate the molecular mechanism by which EgMADS21 regulates EgDGAT2 expression and ultimately affects fatty acid accumulation in the mesocarp of oil palm.
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