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- 10Triacylglycerol
- 7Linum usitatissimum
- 7Triacylglycerol biosynthesis
- 5Flax
- 4Saccharomyces-cerevisiae
- 14Chen, Guanqun
- 12Xu, Yang
- 10Weselake, Randall J.
- 7Caldo, Kristian Mark P.
- 6Mietkiewska, Elzbieta
- 6Pan, Xue
- 17Agricultural, Food and Nutritional Science, Department of
- 17Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 7Graduate and Postdoctoral Studies (GPS), Faculty of
- 7Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 1Biological Sciences, Department of
- 1Biological Sciences, Department of/Journal Articles (Biological Sciences)
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A 10 kDa acyl-CoA binding protein (ACBP) from Brassica napus enhances acyl exchange between acyl-CoA and phosphatidylcholine
Download2009
Yurchenko, O. P., Stymne, S., Stahl, U., Moloney, M. M., Nykiforuk, C. L., Weselake, R. J. , Banas, A.
The gene encoding a 10-kDa acyl-CoA-binding protein (ACBP) from Brassica napus wasover-expressed in developing seeds of Arabidopsis thaliana. Biochemical analysis of T2andT3A. thaliana seeds revealed a significant increase in polyunsaturated fatty acids (FAs)(18:2cisD9,12and 18:3cisD9,12,15) at...
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2018-03-03
Holic, Roman, Xu, Yang, Caldo, Kristian Mark P., Singer, Stacy D., Field, Catherine J., Weselake, Randall J., Chen, Guanqun
Punicic acid (PuA; 18: 3Δ 9cis,11trans,13cis ) is an unusual 18-carbon fatty acid bearing three conjugated double bonds. It has been shown to exhibit a myriad of beneficial bioactivities including anti-cancer, anti-diabetes, anti-obesity, antioxidant, and anti-inflammatory properties. Pomegranate...
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Spring 2018
Diacylglycerol acyltransferase 1 (DGAT1) is an integral membrane enzyme catalyzing the final and committed step in acyl-CoA-dependent triacylglycerol (TAG) biosynthesis. Previous metabolic control analysis showed that DGAT1 plays a substantial role in modulating the flow of carbon into seed oil...
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2020-03-01
Tian, Bo, Sun, Meijuan, Jayawardana, Kethmi, Wu, Ding, Chen, Guanqun
Castor oil contains approximately 90% ricinoleic acid (RA) which is stored mainly in the form of tri‐ricinoleic acid containing triacylglycerols (TAG). Ricinoleate is synthesized from oleate (18:1n‐9) esterified to the sn‐2 position of phosphatidylcholine (PtdCho) catalyzed by...
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Characterization of a Type‐2 Diacylglycerol Acyltransferase from Haematococcus pluvialis Reveals Possible Allostery of the Recombinant Enzyme
Download2019-12-26
Nguyen, Trinh, Xu, Yang, Abdel-Hameed, Mona, Sorensen, John L., Singer, Stacy D., Chen, Guanqun
Haematococcus pluvialis is a green microalga used in the algal biotechnology industry that can accumulate considerable amounts of storage triacylglycerol (TAG) and astaxanthin, which is a high‐value carotenoid with strong antioxidant activity, under stress conditions. Diacylglycerol...
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Characterization of Type-2 Diacylglycerol Acyltransferases in the Green Microalga Chromochloris zofingiensis
Download2018-12-13
Xu, Yang, Falarz, Lucas, Chen, Guanqun
Diacylglycerol acyltransferase (DGAT) catalyzes the last and committed step of the acyl-CoA-dependent TAG biosynthesis and thus is a key target for manipulating oil production in microalgae. The microalga Chromochloris zofingiensis can accumulate substantial amounts of triacylglycerol (TAG) and...
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Engineering Enhanced Performance in Plant Diacylglycerol Acyltransferase and Long-Chain Acyl-CoA Synthetase
DownloadSpring 2018
Triacylglycerol (TAG) is the major storage lipid in higher plants and has great nutritional and industrial value. Plant storage lipid biosynthesis involves different subcellular compartments and a complex network of enzymes and proteins. Among them, endoplasmic reticulum (ER)-bound diacylglycerol...
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Evolutionary and biochemical characterization of a Chromochloris zofingiensis MBOAT with wax synthase and DGAT activity
Download2021-01-01
Xu, Yang, Pan, Xue, Lu, Junhao, Wang, Juli, Shan, Qiyuan, Stout, Jake, Chen, Guanqun
Abstract: Wax synthase (WS) catalyzes the last step in wax ester biosynthesis in green plants. Two unrelated subfamilies of WS including the bifunctional acyltransferase and plant-like WS have been reported, but the latter is largely uncharacterized in microalgae. Here, we functionally...
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Heterologous expression of flax PHOSPHOLIPID:DIACYLGLYCEROL CHOLINEPHOSPHOTRANSFERASE (PDCT) increases polyunsaturated fatty acid content in yeast and Arabidopsis seeds
Download2015
Weselake, Randall J., Mietkiewska, Elzbieta, Pan, Xue, Singer, Stacy D., Siloto, Rodrigo M. P., Wickramarathna, Aruna D.
Background Flax (Linum usitatissimum L.) is an agriculturally important crop with seed oil enriched in α-linolenic acid (18:3 cisΔ9, 12, 15; ALA). This polyunsaturated fatty acid (PUFA) is the major determinant for the quality of flax seed oil in food, nutraceuticals and industrial applications....
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High-performance variants of plant diacylglycerol acyltransferase 1 generated by directed evolution provide insights into structure function
Download2017-09-10
Chen, Guanqun, Vanhercke, Thomas, Chen, Yongyan, Mietkiewska, Elzbieta, Siloto, Rodrigo M. P., Niesner, Nathalie, Xu, Yang, Caldo, Kristian Mark P., Weselake, Randall J., El Tahchy, Anna
Diacylglycerol acyltransferase 1 (DGAT1) catalyzes the acyl-CoA-dependent biosynthesis of triacylglycerol, the predominant component of seed oil. In some oil crops, including Brassica napus, the level of DGAT1 activity can have a substantial effect on triacylglycerol production....