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metabolism
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the enzyme is involved in providing polyunsaturated phosphatidylcholine to the chloroplast envelope
evolution
in plants, membrane-bound fatty acid desaturases are present in the plastid and the endoplasmic reticulum. The electron donors for plastid desaturases are typically ferredoxins, while endoplasmic reticulum enzymes use cytochrome b5 (Cytb5)
evolution
in plants, membrane-bound fatty acid desaturases are present in the plastid and the endoplasmic reticulum. The electron donors for plastid desaturases are typically ferredoxins, while endoplasmic reticulum enzymes use cytochrome b5 (Cytb5)
evolution
in plants, membrane-bound fatty acid desaturases are present in the plastid and the endoplasmic reticulum. The electron donors for plastid desaturases are typically ferredoxins, while endoplasmic reticulum enzymes use cytochrome b5 (Cytb5)
evolution
in plants, membrane-bound fatty acid desaturases are present in the plastid and the endoplasmic reticulum. The electron donors for plastid desaturases are typically ferredoxins, while endoplasmic reticulum enzymes use cytochrome b5 (Cytb5)
evolution
in plants, membrane-bound fatty acid desaturases are present in the plastid and the endoplasmic reticulum. The electron donors for plastid desaturases are typically ferredoxins, while endoplasmic reticulum enzymes use cytochrome b5 (Cytb5)
evolution
in plants, membrane-bound fatty acid desaturases are present in the plastid and the endoplasmic reticulum. The electron donors for plastid desaturases are typically ferredoxins, while endoplasmic reticulum enzymes use cytochrome b5 (Cytb5)
malfunction
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combinations of mutations in FAD2-1A and FAD2-1B produce high oleic acid levels in the seed oil
malfunction
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the disruption of the tauDELTA12des in Thraustochytrium aureum by homologous recombination results in the accumulation of oleic acid and a decrease in the levels of linoleic acid and its downstream polyunsaturated fatty acids. The transformation of the tauDELTA 12des -disruption mutants with a tauDELTA 12des expression cassette restores the wild-type fatty acid profiles
malfunction
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the PI 283327 FAD2-1B allele, carrying the mutant FAD2-1B P137R allele, is associated with an increase in seed oleic acid content. Although the FAD2-1B mutant alleles alone are not capable of producing a high oleic acid phenotype. When existing FAD2-1A mutations are combined with the novel mutant FAD2-1B alleles, a high oleic acid phenotype is recovered only for those lines which are homozygous for both of the mutant alleles
malfunction
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transgenic Korean rapeseed Tammi containing high oleic acid contents (78 mol%) are developed via the expression of the BrFAD2-1 gene in an antisense orientation
malfunction
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transgenic lines expressing an antisense CsFAD2 gene show a high increase in 18:1 content from 13-18% in wild type to 38-51% in transgenic seeds, and concomitantly significant decrease in 18:2 and 18:3 PUFAs. The levels of eicosenoic acid (20:1), another major monounsaturated fatty acid in camelina seed, are also slightly increased in transgenic seeds. These results clearly indicate that CsFAD2 genes encode microsomal oleate desaturases and contribute to PUFA synthesis in camelina seeds
malfunction
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transgenic lines expressing an antisense CsFAD2 genes show a high increase in 18:1 content from 13-18% in wild type to 38-51% in transgenic seeds, and concomitantly significant decrease in 18:2 and 18:3 PUFAs. The levels of eicosenoic acid (20:1), another major monounsaturated fatty acid in camelina seed, are also slightly increased in transgenic seeds. These results clearly indicate that CsFAD2 genes encode microsomal oleate desaturases and contribute to PUFA synthesis in camelina seeds
malfunction
the increased oleate level in unexpanded leaves due to enzyme-silencing recedes significantly in fully expanded leaves
malfunction
the low protein density in fad2-deficient mitochondrial membranes is mainly responsible for the reduction in proton leak
malfunction
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the disruption of the tauDELTA12des in Thraustochytrium aureum by homologous recombination results in the accumulation of oleic acid and a decrease in the levels of linoleic acid and its downstream polyunsaturated fatty acids. The transformation of the tauDELTA 12des -disruption mutants with a tauDELTA 12des expression cassette restores the wild-type fatty acid profiles
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malfunction
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the disruption of the tauDELTA12des in Thraustochytrium aureum by homologous recombination results in the accumulation of oleic acid and a decrease in the levels of linoleic acid and its downstream polyunsaturated fatty acids. The transformation of the tauDELTA 12des -disruption mutants with a tauDELTA 12des expression cassette restores the wild-type fatty acid profiles
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physiological function
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functional recombinant hybird desaturase-lichenase protein can enhance tolerance to cold stress in transgenic potato, overview
physiological function
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sve1, a mutant allele of the endoplasmic reticulum-localized oleic acid desaturase FAD2 completely suppresses all vte2 low-temperature phenotype, sve1 expressing plant fatty acid composition, overview. The vte1 mutant is deficient in tocopherol cyclase activity and lacks also all tocopherols
physiological function
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ectopic expression of BrFAD2-1:mRFP complement the Arabidopsis fad2-2 mutant
physiological function
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heterologous expression of OsFAD2 enhances the yeast cells cold tolerance capacity compared to wild-type yeast. OsFAD2 enhances tolerance to low temperature when overexpressed in rice at the vegetative stage
physiological function
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when expressed in yeast cells, CeFAT-2 displays characteristics of a bifunctional DELTA12/DELTA15-desaturase and has a great deal of elasticity with respect to fatty acid chain length in being able to desaturate fatty acids ranging from C14 to C18
physiological function
the enzyme is essential for the survival of Arabidopsis at low temperatures
physiological function
in plants, seed-specific delta-12 fatty acid desaturase 2 (FAD2) is responsible for the high content of linoleic acid by inserting a double bond at the delta-12 (omega-6) position of oleic acid. FAD2-2 genes encoding isoforms of the large and functionally diverse FAD2 gene family are detected in developing seeds suggesting their major roles in storage oil desaturation in seed
physiological function
in plants, seed-specific delta-12 fatty acid desaturase 2 (FAD2) is responsible for the high content of linoleic acid by inserting a double bond at the delta-12 (omega-6) position of oleic acid. FAD2-2 genes encoding isoforms of the large and functionally diverse FAD2 gene family are detected in developing seeds suggesting their major roles in storage oil desaturation in seed
physiological function
in plants, seed-specific delta-12 fatty acid desaturase 2 (FAD2) is responsible for the high content of linoleic acid by inserting a double bond at the delta-12 (omega-6) position of oleic acid. FAD2-2 genes encoding isoforms of the large and functionally diverse FAD2 gene family are detected in developing seeds suggesting their major roles in storage oil desaturation in seed
physiological function
in plants, seed-specific delta-12 fatty acid desaturase 2 (FAD2) is responsible for the high content of linoleic acid by inserting a double bond at the delta-12 (omega-6) position of oleic acid. FAD2-2 genes encoding isoforms of the large and functionally diverse FAD2 gene family are detected in developing seeds suggesting their major roles in storage oil desaturation in seed
physiological function
in plants, seed-specific delta-12 fatty acid desaturase 2 (FAD2) is responsible for the high content of linoleic acid by inserting a double bond at the delta-12 (omega-6) position of oleic acid. FAD2-2 genes encoding isoforms of the large and functionally diverse FAD2 gene family are detected in developing seeds suggesting their major roles in storage oil desaturation in seed
physiological function
in plants, seed-specific delta-12 fatty acid desaturase 2 (FAD2) is responsible for the high content of linoleic acid by inserting a double bond at the delta-12 (omega-6) position of oleic acid. FAD2-2 genes encoding isoforms of the large and functionally diverse FAD2 gene family are detected in developing seeds suggesting their major roles in storage oil desaturation in seed