1994
DOI: 10.1016/0163-7827(94)90009-4
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Biosynthesis of very long chain fatty acids in higher plants

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Cited by 107 publications
(78 citation statements)
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“…In rapeseed, erucic acid biosynthesisis is controlled by the expression and the specificity of ß-ketoacyl-CoA synthase (KCS) (the enzyme responsible for the fatty acid elongation of oleic acid (18:1) to eicosenoic acid (20:1) and then to erucic acid), which is a gene similar to the FAE1 (fatty acid elongase) gene present in Arabidopsis thaliana (James et al, 1995;Lühs and Friedt, 1997). It is believed that the initial reaction of the four step elongation process is the rate-limiting step in the biosynthesis of erucic acid (Cassagne et al, 1994). Crossing of conventional HEAR to rapeseed with reduced contents of linoleic acid (18:2) and linolenic acid (18:3) did result in recombinant high erucic low polyunsaturated fatty acid (HELP) F3-plants which, however, did not show an increased 22:1 content compared to the parental HEAR genotype.…”
Section: Comprehension Of Genetic Determinismmentioning
confidence: 99%
“…In rapeseed, erucic acid biosynthesisis is controlled by the expression and the specificity of ß-ketoacyl-CoA synthase (KCS) (the enzyme responsible for the fatty acid elongation of oleic acid (18:1) to eicosenoic acid (20:1) and then to erucic acid), which is a gene similar to the FAE1 (fatty acid elongase) gene present in Arabidopsis thaliana (James et al, 1995;Lühs and Friedt, 1997). It is believed that the initial reaction of the four step elongation process is the rate-limiting step in the biosynthesis of erucic acid (Cassagne et al, 1994). Crossing of conventional HEAR to rapeseed with reduced contents of linoleic acid (18:2) and linolenic acid (18:3) did result in recombinant high erucic low polyunsaturated fatty acid (HELP) F3-plants which, however, did not show an increased 22:1 content compared to the parental HEAR genotype.…”
Section: Comprehension Of Genetic Determinismmentioning
confidence: 99%
“…Each elongation cycle requires four enzymatic reactions: condensation of the two carbon moiety of malonyl-CoA, reduction, dehydration and a second reduction controlled by an endomembrane-bound acylCoA elongase complex [19]. Erucic acid, a VLCFA, is present in seed oil of Brassica napus but only at positions sn-1 and sn-3 of the triacylglycerol.…”
Section: Very Long Chain Monounsaturated Fatty Acidsmentioning
confidence: 99%
“…Cette enzyme membranaire localisée dans le réticulum endoplasmique allonge un acyl-CoA en présence de malonyl-CoA [24]. C'est un complexe multienzymatique constitué de plusieurs protéines catalysant chacune une des réactions intermédiaires (figure 2).…”
Section: Production D'acides Gras à Très Longue Chaîneunclassified