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Skip to Search Results- 19Weselake, Randall J.
- 16Chen, Guanqun
- 10Xu, Yang
- 8Singer, Stacy D.
- 6Caldo, Kristian Mark P.
- 6Mietkiewska, Elzbieta
- 8DGAT
- 5Triacylglycerol biosynthesis
- 4Linum usitatissimum
- 3Saccharomyces cerevisiae
- 3Saccharomyces-cerevisiae
- 3Triacylglycerol
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Gene coexpression clusters and putative regulatory elements underlying seed storage reserve accumulation in Arabidopsis
Download2011
Peng, Fred Y., Weselake, Randall J.
Background In Arabidopsis, a large number of genes involved in the accumulation of seed storage reserves during seed development have been characterized, but the relationship of gene expression and regulation underlying this physiological process remains poorly understood. A more holistic view of...
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Kinetic improvement of an algal diacylglycerol acyltransferase 1 via fusion with an acyl-CoA binding protein
Download2020-01-01
Xu, Yang, Caldo, Kristian Mark P., Falarz, Lucas, Jayawardhane, Kethmi, Chen, Guanqun
SUMMARY Microalgal oils in the form of triacylglycerols (TAGs) are broadly used as nutritional supplements and biofuels. Diacylglycerol acyltransferase (DGAT) catalyzes the final step of acyl-CoA-dependent biosynthesis of TAG and is considered a key target for manipulating oil production....
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Substrate preferences of long-chain acyl-CoA synthetase and diacylglycerol acyltransferase contribute to enrichment of flax seed oil with a-linolenic acid
Download2018-04-01
Xu, Yang, Holic, Roman, Li, Darren, Pan, Xue, Mietkiewska, Elzbieta, Chen, Guanqun, Ozga, Jocelyn, Weselake, Randall J.
Seed oil from flax (Linum usitatissimum) is enriched in a-linolenic acid (ALA; 18:3?9cis,12cis,15cis), but the biochemical processes underlying the enrichment of flax seed oil with this polyunsaturated fatty acid are not fully elucidated. Here, a potential process involving the catalytic actions...
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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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Arabidopsis GPAT9 contributes to synthesis of intracellular glycerolipids but not surface lipids
Download2016
Jayawardhane, Kethmi, Tomasi, Pernell, Dyer, John M., Weselake, Randall J., Mietkiewska, Elzbieta, Singer, Stacy D., Chen, Guanqun
GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE (GPAT) genes encode enzymes involved in glycerolipid biosynthesis in plants. Ten GPAT homologues have been identified in Arabidopsis. GPATs 4–8 have been shown to be involved in the production of extracellular lipid barrier polyesters. Recently, GPAT9 was...
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Plant sn‐Glycerol‐3‐Phosphate Acyltransferases: Biocatalysts Involved in the Biosynthesis of Intracellular and Extracellular Lipids
Download2018-05-31
Jayawardhane, Kethmi N., Singer, Stacy D., Weselake, Randall J., Chen, Guanqun
Acyl‐lipids such as intracellular phospholipids, galactolipids, sphingolipids, and surface lipids play a crucial role in plant cells by serving as major components of cellular membranes, seed storage oils, and extracellular lipids such as cutin and suberin. Plant lipids are also widely used to...
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2022-01-01
Wang, Juli, Singer, Stacy D., Souto, Bernardo A., Asomaning, Justice, Ullah, Aman, Bressler, David, Chen, Guanqun
Abstract The expanding use of fossil fuels has caused concern in terms of both energy security and environmental issues. Therefore, attempts have been made worldwide to promote the development of renewable energy sources, among which biofuel is especially attractive. Compared to other biofuels,...
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Improving the production of punicic acid in baker’s yeast by engineering genes in acyl channeling processes and adjusting precursor supply
Download2021-01-01
Wang, Juli, Xu, Yang, Holic, Roman, Yu, Xiaochen, Singer, Stacy D., Chen, Guanqun
ABSTRACT Punicic acid (PuA) is a high-value edible conjugated fatty acid with strong bioactivities and has important potential applications in nutraceutical, pharmaceutical, feeding and oleochemical industries. Since the production of PuA is severely limited by the fact that its natural source...
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Functional and topological analysis of yeast acyl-CoA:diacylglycerol acyltransferase 2, an endoplasmic reticulum enzyme essential for triacylglycerol biosynthesis
Download2011
Siloto, Rodrigo M. P., Snyder, Crystal L., Liu, Qin, Weselake, Randall J.
Acyl-CoA:diacylglycerol acyltransferase (EC 2.3.1.20) is a membrane protein present mainly in the endoplasmic reticulum. It catalyzes the final and committed step in the biosynthesis of triacylglycerol, which is the principal repository of fatty acids for energy utilization and membrane...
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The effect of AINTEGUMENTA-LIKE 7 over-expression on seed fatty acid biosynthesis, storage oil accumulation and the transcriptome in Arabidopsis thaliana
Download2021-01-01
Singer, Stacy D., Jayawardhane, Kethmi N., Jiao, Chen, Weselake, Randall J., Chen, Guanqun
ABSTRACT Seed fatty acids (FAs) and triacylglycerol (TAG) contribute to many functions in plants, and seed lipids have broad food, feed and industrial applications. As a result, an enormous amount of attention has been dedicated towards uncovering the regulatory cascade responsible for the fine44...