ArticleJournal of experimental botany2017
Triacylglycerol is produced from starch and polar lipids in the green alga Dunaliella tertiolecta.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 47 citations in OpenAlex.
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- Effects of nitrogen starvation on growth and biochemical composition of some microalgae species.Folia microbiologica · 2024Article
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- Effects of heat shock on photosynthesis-related characteristics and lipid profile of Cycas multipinnata and C. panzhihuaensis.BMC plant biology · 2022Article
- Increased Lipids inInternational journal of molecular sciences · 2022Article
- Differences in Glycerolipid Response ofFrontiers in plant science · 2022Article
- Microalgae Bioactive Carbohydrates as a Novel Sustainable and Eco-Friendly Source of Prebiotics: Emerging Health Functionality and Recent Technologies for Extraction and Detection.Frontiers in nutrition · 2022Review
- Fatty Acid Production and Direct Acyl Transfer through Polar Lipids Control TAG Biosynthesis during Nitrogen Deprivation in the Halotolerant AlgaMarine drugs · 2021Article
- To Divide or Not to Divide? How Deuterium Affects Growth and Division ofBiomolecules · 2021Article
- Quantitative proteomic comparison of salt stress in Chlamydomonas reinhardtii and the snow alga Chlamydomonas nivalis reveals mechanisms for salt-triggered fatty acid accumulation via reallocation of carbon resources.Biotechnology for biofuels · 2021Article
- Large fluxes of fatty acids from membranes to triacylglycerol and back during N-deprivation and recovery in Chlamydomonas.Plant physiology · 2021Article
- Ecological and Industrial Implications of Dynamic Seaweed-Associated Microbiota Interactions.Marine drugs · 2020Review
- Effects of the water-soluble fraction of the mixture fuel oil/diesel on the microalgae Dunaliella tertiolecta through growth.Environmental science and pollution research international · 2020Article
- The cadmium-induced changes in the polar and neutral lipid compositions suggest the involvement of triacylglycerol in the defense response in maize.Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Microalgae and cyanobacteria modeling in water resource recovery facilities: A critical review.Water research X · 2019Review
- A hypothesis about the origin of carotenoid lipid droplets in the green algae Dunaliella and Haematococcus.Planta · 2019Review
- Xylan in the Middle: Understanding Xylan Biosynthesis and Its Metabolic Dependencies Toward Improving Wood Fiber for Industrial Processing.Frontiers in plant science · 2019Review
- High-value biomass from microalgae production platforms: strategies and progress based on carbon metabolism and energy conversion.Biotechnology for biofuels · 2018Review
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The halotolerant green alga Dunaliella tertiolecta accumulates starch and triacylglycerol (TAG) amounting to 70% and 10-15% of total cellular carbon, respectively, when exposed to nitrogen (N) deprivation. The purpose of this study was to clarify the inter-relationships between the biosynthesis of TAG, starch, and polar lipids (PLs) in this alga. Pulse labeling with [14C]bicarbonate was utilized to label starch and [14C]palmitic acid (PlA) to label lipids. Transfer of 14C into TAG was measured and used to calculate rates of synthesis. About two-thirds of the carbon in TAG originates from starch, and one-third is made de novo by direct CO2 assimilation. The level made from degradation of pre-formed PLs is estimated to be very small. Most of the de novo synthesis involves fatty acid transfer through PLs made during the first day of N deprivation. The results suggest that starch made by photosynthetic carbon assimilation at the early stages of N deprivation is utilized for synthesis of TAG. Trans-acylation from PLs is the second major contributor to TAG biosynthesis. The utilization of starch for TAG biosynthesis may have biotechnological applications to optimize TAG biosynthesis in algae.
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