Search
Skip to Search Results- 10Chen, Guanqun
- 10Xu, Yang
- 7Weselake, Randall J.
- 5Caldo, Kristian Mark P.
- 5Pan, Xue
- 4Mietkiewska, Elzbieta
- 28Graduate and Postdoctoral Studies (GPS), Faculty of
- 28Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 15Agricultural, Food and Nutritional Science, Department of
- 15Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 6Biological Sciences, Department of
- 6Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 20Department of Agricultural, Food, and Nutritional Science
- 3Department of Biological Sciences
- 1Department of Agricultural, Food and Nutritional Science
- 1Department of Biochemistry
- 1Department of Chemical and Materials Engineering
- 1Department of Computing Science
- 2Habibur Rahman (Agricultural, Food and Nutritional Science)
- 2Rahman, Habibur (Agricultural, Food, and Nutritional Science)
- 1Basu, Urmila (Department of Agricultural, Food & Nutritional Science)
- 1Dosdall, Lloyd M. (Agricultural, Food and Nutritional Science)
- 1Dsupervisor: Dr. Habibur Rahman, AFNS Department, co-supervisor: Dr. Rong-Cai Yang (AFNS Department)
- 1Guanqun, Chen (Agricultural, Food and Nutritional Science)
-
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....
-
2012
Kebede, Berisso, Rahman, Habibur
Further improving of seed yield, other agronomic and seed quality traits in spring canola Brassica napus requires broadening of genetic diversity in this crop. The European winter oilseed B. napus is known to be genetically diverse from spring oilseed B. napus. We hypothesized that elite spring...
-
Improving Verticillium longisporum inoculation protocols and quantifying canola yield losses
DownloadSpring 2024
Verticillium stripe, caused by Verticillium longisporum, is an emerging soilborne disease of the Canadian canola (Brassica napus) crop. This study aimed to refine techniques for inoculating the pathogen on canola and to quantify its impact on hybrid canola yield under greenhouse and field...
-
In vivo and in vitro evidence for biochemical coupling of reactions catalyzed by lysophosphatidylcholine acyltransferase and diacyglycerol acyltransferase
Download2015
Greer, Michael S., Pan, Xue, Weselake, Randall J., Chen, Guanqun, Zou, Jitao, Caldo, Kristian Mark P., Kazachkov, Michael
Seed oils of flax (Linum usitatissimum L.) and many other plant species contain substantial amounts of polyunsaturated fatty acids (PUFAs). Phosphatidylcholine (PC) is the major site for PUFA synthesis. The exact mechanisms of how these PUFAs are channeled from PC into triacylglycerol (TAG) needs...
-
Inactivation of Saccharomyces cerevisiae and Candida humilis in Potassium Phosphate Buffer by Pulsed Electric Fields
DownloadSpring 2016
Pulsed electric field (PEF) is a promising athermal food preservation technology, having the potential to provide a better balance between food safety and food quality. But the high cost of PEF treatment has limited the commercial application of this technology. The aim of this MSc thesis...
-
Introgression of Clubroot Resistance from Brassica oleracea into B. napus Canola through Interspecific Cross
DownloadSpring 2022
Clubroot disease caused by Plasmodiophora brassicae Woronin is a serious threat to canola production in Canada. Most of the available clubroot-resistant canola cultivars carry major resistance genes of the Brassica A genome. However, the ineffectiveness of this type of resistance has been...
-
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....
-
Modulation of citrate metabolism alters aluminum tolerance in yeast and transgenic canola overexpressing a mitochondrial citrate synthase
Download2003
Basu, U., Anoop, V. M., Taylor, G. J., McAlister-Henn, L., McCammon, M. T.
Aluminum (Al) toxicity is a major constraint for crop production in acid soils, although crop cultivars vary in their tolerance to Al. We have investigated the potential role of citrate in mediating Al tolerance in Al-sensitive yeast (Saccharomyces cerevisiae; MMYO11) and canola (Brassica napus...
-
Molecular and functional characterization of sn-glycerol-3-phosphate acyltransferase of plants
DownloadSpring 2011
sn-Glycerol-3-phosphate acyltransferase (GPAT) catalyzes the acylation of sn-1 position of sn-glycerol-3-phosphate to produce lysophosphatidic acid and Coenzyme A. GPATs are involved in several lipid synthetic pathways and play important physiological roles in plant development. The present...
-
Spring 2022
Clubroot, caused by the soilborne pathogen Plasmodiophora brassicae, is a threat to cruciferous crops worldwide and an important disease of canola (Brassica napus L.) in Canada. At present, pathotypes of P. brassicae are distinguished phenotypically based on their virulence patterns on host...