ArticleFrontiers in plant science2013
Differential regulation of two types of monogalactosyldiacylglycerol synthase in membrane lipid remodeling under phosphate-limited conditions in sesame plants.
Article in Frontiers in plant science, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 36 citations in OpenAlex.
- Co-expression analysis identifies organ-specific gene regulatory networks responsive to phosphate limitation in hemp (Cannabis sativa L.).BMC plant biology · 2026Article
- Engineering Fatty Acid Biosynthesis in Microalgae: Recent Progress and Perspectives.Marine drugs · 2024Review
- Lipidome Profiling of Phosphorus Deficiency-Tolerant Rice Cultivars Reveals Remodeling of Membrane Lipids as a Mechanism of Low P Tolerance.Plants (Basel, Switzerland) · 2023Article
- Proteomic Profiling and Rhizosphere-Associated Microbial Communities Reveal Adaptive Mechanisms ofPlants (Basel, Switzerland) · 2022Article
- Phosphatidylcholine Enhances Homeostasis in Peach Seedling Cell Membrane and Increases Its Salt Stress Tolerance by Phosphatidic Acid.International journal of molecular sciences · 2022Article
- Low phosphorus induces differential metabolic responses in eucalyptus species improving nutrient use efficiency.Frontiers in plant science · 2022Article
- Characterization of contrasting rice (Oryza sativa L.) genotypes reveals the Pi-efficient schema for phosphate starvation tolerance.BMC plant biology · 2021Article
- Chloroplast Lipids Metabolism and Function. A Redox Perspective.Frontiers in plant science · 2021Review
- Lipid remodeling regulator 1 (LRL1) is differently involved in the phosphorus-depletion response from PSR1 in Chlamydomonas reinhardtii.The Plant journal : for cell and molecular biology · 2019Article
- Characterization and Mutational Analysis of a Monogalactosyldiacylglycerol Synthase GeneFrontiers in plant science · 2019Article
- Role of membrane glycerolipids in photosynthesis, thylakoid biogenesis and chloroplast development.Journal of plant research · 2016Review
- Over-expression of Arabidopsis thaliana SFD1/GLY1, the gene encoding plastid localized glycerol-3-phosphate dehydrogenase, increases plastidic lipid content in transgenic rice plants.Journal of plant research · 2016Article
- Regulation of Galactolipid Biosynthesis by Overexpression of the Rice MGD Gene Contributes to Enhanced Aluminum Tolerance in Tobacco.Frontiers in plant science · 2016Article
- Comparative Morphophysiological Analyses and Molecular Profiling Reveal Pi-Efficient Strategies of a Traditional Rice Genotype.Frontiers in plant science · 2015Article
- An engineered lipid remodeling system using a galactolipid synthase promoter during phosphate starvation enhances oil accumulation in plants.Frontiers in plant science · 2015Article
- Lipid biosynthesis and protein concentration respond uniquely to phosphate supply during leaf development in highly phosphorus-efficient Hakea prostrata.Plant physiology · 2014Article
- Monogalactosyldiacylglycerol synthesis in the outer envelope membrane of chloroplasts is required for enhanced growth under sucrose supplementation.Frontiers in plant science · 2014Article
- Transcriptional regulation of thylakoid galactolipid biosynthesis coordinated with chlorophyll biosynthesis during the development of chloroplasts in Arabidopsis.Frontiers in plant science · 2014Article
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9 authors at 4 institutions in 1 country.
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Abstract
Phosphate (Pi) limitation causes drastic lipid remodeling in plant membranes. Glycolipids substitute for the phospholipids that are degraded, thereby supplying Pi needed for essential biological processes. Two major types of remodeling of membrane lipids occur in higher plants: whereas one involves an increase in the concentration of sulfoquinovosyldiacylglycerol in plastids to compensate for a decreased concentration of phosphatidylglycerol, the other involves digalactosyldiacylglycerol (DGDG) synthesis in plastids and the export of DGDG to extraplastidial membranes to compensate for reduced abundances of phospholipids. Lipid remodeling depends on an adequate supply of monogalactosyldiacylglycerol (MGDG), which is a substrate that supports the elevated rate of DGDG synthesis that is induced by low Pi availability. Regulation of MGDG synthesis has been analyzed most extensively using the model plant Arabidopsis thaliana, although orthologous genes that encode putative MGDG synthases exist in photosynthetic organisms from bacteria to higher plants. We recently hypothesized that two types of MGDG synthase diverged after the appearance of seed plants. This divergence might have both enabled plants to adapt to a wide range of Pi availability in soils and contributed to the diversity of seed plants. In the work presented here, we found that membrane lipid remodeling also takes place in sesame, which is one of the most common traditional crops grown in Asia. We identified two types of MGDG synthase from sesame (encoded by SeMGD1 and SeMGD2) and analyzed their enzymatic properties. Our results show that both genes correspond to the Arabidopsis type-A and -B isoforms of MGDG synthase. Notably, whereas Pi limitation up-regulates only the gene encoding the type-B isoform of Arabidopsis, low Pi availability up-regulates the expression of both SeMGD1 and SeMGD2. We discuss the significance of the different responses to low Pi availability in sesame and Arabidopsis.
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