D. Barton

Publications39
h-index22
Citations2,543
Highly Influential Citations187
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Seed-specific over-expression of an Arabidopsis cDNA encoding a diacylglycerol acyltransferase enhances seed oil content and seed weight.
TLDR
The current study confirms the important role of DGAT in regulating the quantity of seed triacylglycerols and the sink size in developing seeds and shows for the first time that seed-specific over-expression of the DGAT cDNA in wild-type Arabidopsis enhances oil deposition and average seed weight, which are correlated with DGAT transcript levels.
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Cloning and characterization of an acyl-CoA-dependent diacylglycerol acyltransferase 1 (DGAT1) gene from Tropaeolum majus, and a study of the functional motifs of the DGAT protein using site-directed…
TLDR
Findings confirm that the TmDGAT1 gene encodes an acyl-CoA-dependent DGAT1, and alteration of this putative serine/threonine protein kinase site can be exploited to enhance DGat1 activity, and expression of mutated DGAT2 can be used to enhance oil content.
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Alteration of Seed Fatty Acid Composition by an Ethyl Methanesulfonate-Induced Mutation in Arabidopsis thaliana Affecting Diacylglycerol Acyltransferase Activity
TLDR
It is demonstrated that changes to triacylglycerol biosynthesis can result in dramatic changes in fatty acid composition and, in particular, in the accumulation of VLCFAs in seed storage lipids.
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Modification of seed oil content and acyl composition in the brassicaceae by expression of a yeast sn-2 acyltransferase gene.
TLDR
The yeast sn-2 acyltransferase has been shown to encode a protein that can exhibit lysophosphatidic acid acyl transferase activity and that can be used to change total fatty acid content and composition as well as to alter the stereospecific acyl distribution of fatty acids in seed TAGs.
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Molecular modification of triacylglycerol accumulation by over-expression of DGAT1 to produce canola with increased seed oil content under field conditions
TLDR
The final step in the Kennedy pathway for seed oil synthesis is catalyzed by an acyl-CoA-dependent diacylglycerol acyltransferase, DGAT1, which is cloned from both Arabido and Arabido genes.
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Restoring enzyme activity in nonfunctional low erucic acid Brassica napus fatty acid elongase 1 by a single amino acid substitution.
TLDR
For the first time, the low erucic acid trait in canola B. napus can be attributed to a single amino acid substitution which prevents the biosynthesis of the eicosenoic and Erucic acids.
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The plastidic phosphoglucomutase from Arabidopsis. A reversible enzyme reaction with an important role in metabolic control.
TLDR
The results indicate that plastidic PGM is an important factor affecting carbon flux in triacylglycerol accumulation in oilseed plants, most likely through its essential role in starch synthesis.
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Field testing of transgenic rapeseed cv. Hero transformed with a yeast sn-2 acyltransferase results in increased oil content, erucic acid content and seed yield
TLDR
These trials show that the SLC1-1 transgenics clearly and consistently out-performed controls, with much increased oil and 22:1 contents, as well as yield, under varying field conditions.
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Seed-Specific Heterologous Expression of a Nasturtium FAE Gene in Arabidopsis Results in a Dramatic Increase in the Proportion of Erucic Acid1
TLDR
Results indicate that the nasturtium FAE gene encodes a condensing enzyme involved in the biosynthesis of very long chain fatty acids, utilizing monounsaturated and saturated acyl substrates.
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Biosynthesis of Acyl Lipids Containing Very-Long Chain Fatty Acids in Microspore-Derived and Zygotic Embryos of Brassica napus L. cv Reston.
TLDR
The biosynthesis of VLCFAs and their incorporation into glycerolipids in vitro in the MD embryo system occurred at rates comparable to those measured in developing zygotic Reston embryos at about 20 days postanthesis and the incorporation of newly synthesized V LCFAs into TAGs via the Kennedy pathway was demonstrated.
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