ArticleThe New phytologist2020
Increased ratio of galactolipid MGDG : DGDG induces jasmonic acid overproduction and changes chloroplast shape.
Article in The New phytologist, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 67 citations in OpenAlex.
- Size of chloroplasts in Arabidopsis mesophyll cells affects jasmonate biosynthesis.Plant biology (Stuttgart, Germany) · 2026Article
- Membrane stability under heat stress: molecular signaling, lipid remodeling, and defense mechanisms in plants.Plant cell reports · 2026Review
- Dietary fat disrupts a commensal-host lipid network that promotes metabolic health.Cell metabolism · 2026Article
- Crop growth model-enabled genetic mapping of biomass accumulation dynamics in photoperiod-sensitive sorghum.The plant genome · 2025Article
- Maize Crops Under Rising Temperatures: Bacterial Influence on Biochemical and Lipidomic Changes Induced by Heat.Plants (Basel, Switzerland) · 2025Article
- Lipid remodeling and response mechanisms during the germination of aged oat seeds.BMC plant biology · 2025Article
- Inhibitory Effect and Mechanism of Hexanal on the Maturation of Peach-ShapedJournal of fungi (Basel, Switzerland) · 2025Article
- The role of OsDGD1 in phosphate starvation: How lipid remodeling regulates jasmonic acid and root development in rice.Plant physiology · 2024Article
- Jasmonates and Ethylene Shape Floridoside Synthesis during Carposporogenesis in the Red SeaweedMarine drugs · 2024Article
- Multi-Omics Research Accelerates the Clarification of the Formation Mechanism and the Influence of Leaf Color Variation in Tea (Plants (Basel, Switzerland) · 2024Review
- Transcriptome analysis unravels the biocontrol mechanism of Serratia plymuthica A30 against potato soft rot caused by Dickeya solani.PloS one · 2024Article
- Arabidopsis Sec14 proteins (SFH5 and SFH7) mediate interorganelle transport of phosphatidic acid and regulate chloroplast development.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- The Plant Metabolic Changes and the Physiological and Signaling Functions in the Responses to Abiotic Stress.Methods in molecular biology (Clifton, N.J.) · 2023Article
- Fatty acid desaturases (FADs) modulate multiple lipid metabolism pathways to improve plant resistance.Molecular biology reports · 2022Review
- Oral delivery of IL-22 mRNA-loaded lipid nanoparticles targeting the injured intestinal mucosa: A novel therapeutic solution to treat ulcerative colitis.Biomaterials · 2022Article
- Inhibition of monogalactosyldiacylglycerol synthesis by down-regulation of MGD1 leads to membrane lipid remodeling and enhanced triacylglycerol biosynthesis in Chlamydomonas reinhardtii.Biotechnology for biofuels and bioproducts · 2022Article
- Effect of Drought Stress on Degradation and Remodeling of Membrane Lipids inFoods (Basel, Switzerland) · 2022Article
- Article
- Trigalactosyldiacylglycerol 3 protein orthologs are required for basal disease resistance inPlant biotechnology (Tokyo, Japan) · 2021Article
- Influence of Extremely Low Temperatures of the Pole of Cold on the Lipid and Fatty-Acid Composition of Aerial Parts of the Horsetail Family (Equisetaceae).Plants (Basel, Switzerland) · 2021Article
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3 authors at 1 institution in 1 country.
Funding
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Abstract
Galactolipids monogalactosyl diacylglycerol (MGDG) and digalactosyl diacylglycerol (DGDG) constitute c. 50% and c. 30% of chloroplast membrane lipids, respectively. They are important for photosynthesis and stress tolerance. Mutations in DGD1, the major DGDG-synthesizing enzyme, severely reduce DGDG content and induce jasmonic acid (JA) overproduction, resulting in stunted growth. However, how DGDG reduction leads to JA overproduction is unknown. We introduced an inducible microRNA (ami-MGD1) into an Arabidopsis dgd1 mutant to reduce MGDG synthesis, thereby further diminishing galactolipid content, but partially restoring the MGDG : DGDG ratio. Galactolipid and Chl contents, expression of JA-biosynthesis and JA-responsive genes, photosystem II (PSII) maximum quantum efficiency, and chloroplast shape were investigated. Expression of JA-biosynthesis and JA-responsive genes were reduced in amiR-MGD1-transformed dgd1 plants. Stunted growth caused by JA overproduction was also partially rescued, but Chl reduction and PSII impairment remained similar to the original dgd1 mutant. Altered chloroplast shape, which is another defect observed in dgd1 but is not caused by JA overproduction, was also partially rescued. Our results reveal that an increased MGDG : DGDG ratio is the primary cause of JA overproduction. The ratio is also important for determining chloroplast shapes, whereas reduced Chl and photosynthesis are most likely a direct consequence of insufficient DGDG.
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