These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: Identification of a Potential Gene for Elevating ω-3 Concentration and Its Efficiency for Improving the ω-6/ω-3 Ratio in Soybean.
    Author: Jo H, Kim M, Cho H, Ha BK, Kang S, Song JT, Lee JD.
    Journal: J Agric Food Chem; 2021 Apr 07; 69(13):3836-3847. PubMed ID: 33770440.
    Abstract:
    This present study was to identify a novel candidate gene that contributes to the elevated α-linolenic acid (ALA, ω-3) concentration in PE2166 from mutagenesis of Pungsannamul. Major loci qALA5_1 and qALA5_2 were detected on chromosome 5 of soybean through quantitative trait loci mapping analyses of recombinant inbred lines. With next-generation sequencing of parental lines and Pungsannamul and recombinant analyses, a potential gene, Glyma.05g221500 (HD), controlling elevated ALA concentration was identified. HD is a homeodomain-like transcriptional regulator that may regulate the expression level of microsomal ω-3 fatty acid desaturase (FAD3) genes responsible for the conversion of linoleic acid into ALA in the fatty acid biosynthetic pathway. In addition, we hypothesized that a combination of mutant alleles, HD, and either of microsomal delta-12 fatty acid desaturase 2-1 (FAD2-1) could reduce the ω-6/ω-3 ratio. In populations where HD, FAD2-1A, and FAD2-1B genes were segregated, a combination of a hd allele from PE2166 and either of the variant FAD2-1 alleles was sufficient to reduce the ω-6/ω-3 ratio in seeds.
    [Abstract] [Full Text] [Related] [New Search]