Delta-6 desaturase makes a different fatty acid profile of seed oil in Iranian borage (Echium amoenum Fisch. and Mey.)

Shokri, Ehsan; Nematzadeh, Ghorbanali; Zolala, Jafar; Nasiri, Najmeh; Kazemitabar, Seyed Kamal; Azad, Noraddin Hosseinpour

doi:10.1007/s11738-012-1006-y

Cited by 4 publications

(3 citation statements)

References 9 publications

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“…A. spinosa contains oleic acid (OA, C18:1ω3) and alpha-linolenic acid (ALA, C18:3ω3) which have high nutritional and industrial value due to their considerable presence in many essential fatty acids. Delta-6 desaturase is an enzyme that respectively converts linoleic acid (LA, C18:2ω6) and alpha-linolenic acid (ALA, C18:3ω3) to gamma-linolenic acid (GLA, C18:3ω6) and stearidonic acid (SDA, C18:4ω3) [10]. In general terms, the fatty acid content of organisms varies both between and within species.…”

Section: Introductionmentioning

confidence: 99%

Genetic, Morphological, and Biochemical Diversity of Argan Tree (Argania spinosa L.) (Sapotaceae) in Tunisia

Louati

Uçarlı

Arıkan

et al. 2019

Plants

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Argan trees are normally endemic to Morocco and Algeria, but hundreds of argan trees exist in Tunisia, some introduced from Morocco and some from unknown origins. The aim of the present study was to evaluate the genetic, morphological, and biochemical diversity of the argan trees in Tunisia. In this study, we used morphometric data collected from vegetative tissue, as well as pomological characteristics related to fruits, stones, and kernels. Genetic variation in 60 trees of Tunisian Argania spinosa L. was estimated using inter-simple sequence repeats (ISSRs). Mutation screening and genotyping by high-resolution melting (HRM) was performed to detect delta-6-desaturase (D6D) variants in the tested individuals, and finally fatty acid analysis of argan leaves with gas chromatography (GC) was performed. The plant materials used in this study originated from four different sites in Tunisia. Analysis of morphological characteristics showed large variability both within and between the studied collections. The analysis of ISSR polymorphisms gave information about the diversity within and between populations. HRM analysis showed that all 60 argan individuals were grouped into 10 different categories. The results of the gas chromatography analysis showed that the presence of omega-3 fatty acids EPA and DHA was noticeable in some argan leaves.

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Section: Introductionmentioning

confidence: 99%

Genetic, Morphological, and Biochemical Diversity of Argan Tree (Argania spinosa L.) (Sapotaceae) in Tunisia

Louati

Uçarlı

Arıkan

et al. 2019

Plants

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“…So, it is unlikely that environmental factors or substrate competition inhibit Δ 6 ‐desaturase activity. Therefore, differential activity of this enzyme in Boraginaceae species can be related to factors as changes in the secondary structure or active sites, deficiencies in substrate binding motifs, and/or weak expression of the enzyme [37] …”

Section: Resultsmentioning

confidence: 99%

“…Therefore, differential activity of this enzyme in Boraginaceae species can be related to factors as changes in the secondary structure or active sites, deficiencies in substrate binding motifs, and/or weak expression of the enzyme. [37] PA and stearic acid (SA, 18:0) are closely correlated (r = 0.4076; P = 0.0151), and present high and negative loads for PC2. This location is consistent with their simultaneous occurrence in the plastid of cells.…”

Section: 57mentioning

confidence: 95%

γ‐Linolenic and Stearidonic Acids from Boraginaceae of Diverse Mediterranean Origin

Guil‐Guerrero

González‐Fernández

Lyashenko

et al. 2020

Chemistry & Biodiversity

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Thirty Boraginaceae species from different tribes were evaluated in a search of γ-linolenic (GLA, 18:3n-6) and stearidonic acid (SDA, 18:4n-3)-rich oils. The high GLA percentages were found in the seed oils of Symphytum bulbosum and S. tuberosum subsp. tuberosum (27.6 and 27.2 % of total fatty acids (FA)), which are unusually high values for GLA-oils in the current literature. On the whole seed, noticeable GLA percentages were found in S. grandiflorum, S. tuberosum subsp. tuberosum and Borago officinalis (7.43, 4.90, and 4.51 g/100 g, respectively). The main SDA-taxa detected in this study were Buglossoides arvensis, B. incrassata and Glandora oleifolia (21.3, 18.9, and 16.3 % of total fatty acids). On total seed weight, Glandora rosmarinifolia showed the highest SDA content (3.57 g/100 g). Finally, the higher FA contents were found in S. grandiflorum and Paramoltkia doerfleri seeds (35.2 and 37.0 g/100 g, respectively). Principal component analysis showed that similarities in FA profiles allow grouping species as botanical criteria for Boraginaceae tribes do, while the FA groupings confirm the metabolic activities of desaturase and elongase enzymes. Data on the FA composition of the seed oils analyzed here suggest their potential use as functional foods and can be considered as novel sources of SDA and GLA.

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Molecular (RAPDs and Fatty acid) and micromorphological variations of Echium italicum L. populations from Turkey

Özcan

2013

Plant Syst Evol

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Delta-6 desaturase makes a different fatty acid profile of seed oil in Iranian borage (Echium amoenum Fisch. and Mey.)

Cited by 4 publications

References 9 publications

Genetic, Morphological, and Biochemical Diversity of Argan Tree (Argania spinosa L.) (Sapotaceae) in Tunisia

Genetic, Morphological, and Biochemical Diversity of Argan Tree (Argania spinosa L.) (Sapotaceae) in Tunisia

γ‐Linolenic and Stearidonic Acids from Boraginaceae of Diverse Mediterranean Origin

Molecular (RAPDs and Fatty acid) and micromorphological variations of Echium italicum L. populations from Turkey

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