ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2011
A novel FAD2-1 A allele in a soybean plant introduction offers an alternate means to produce soybean seed oil with 85% oleic acid content.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed, 121 citations in OpenAlex.
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- CRISPR/Cas9-Mediated Editing in FAD2 Gene to Enhance Oil Quality in Soybean [Glycine max (L.) Merrill].PloS one · 2026Article
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- Soybean genomics research community strategic plan: A vision for 2024-2028.The plant genome · 2024Article
- Redesigning soybean with improved oil and meal traits.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Identification of candidate genes and genomic prediction of soybean fatty acid components in two soybean populations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Rice lipases: a conundrum in rice bran stabilization: a review on their impact and biotechnological interventions.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Review
- Diversity of fatty acid biosynthesis genes across the soybean pangenome.The plant genome · 2023Article
- Targeted Mutagenesis of the MulticopyPlants (Basel, Switzerland) · 2022Article
- Reference Genes and Expression Analysis of Seed Desaturases Genes in Soybean Mutant Accessions.Biochemical genetics · 2022Article
- Molecular Approaches Reduce Saturates and EliminateFrontiers in plant science · 2022Review
- Transcriptomic Analysis Reveals the Regulatory Networks and Hub Genes Controlling the Unsaturated Fatty Acid Contents of Developing Seed in Soybean.Frontiers in plant science · 2022Article
- TILLING-by-SequencingCells · 2021Article
- TILLING-by-SequencingInternational journal of molecular sciences · 2021Article
- Molecular-assisted breeding for soybean with high oleic/low linolenic acid and elevated vitamin E in the seed oil.Molecular breeding : new strategies in plant improvement · 2021Article
- Article
- Impacts of genomic research on soybean improvement in East Asia.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Review
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Authors and funding
4 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The alteration of fatty acid profiles in soybean to improve soybean oil quality has been a long-time goal of soybean researchers. Soybean oil with elevated oleic acid is desirable because this monounsaturated fatty acid improves the nutrition and oxidative stability of soybean oil compared to other oils. In the lipid biosynthetic pathway, the enzyme fatty acid desaturase 2 (FAD2) is responsible for the conversion of oleic acid precursors to linoleic acid precursors in developing soybean seeds. Two genes encoding FAD2-1A and FAD2-1B were identified to be expressed specifically in seeds during embryogenesis and have been considered to hold an important role in controlling the seed oleic acid content. A total of 22 soybean plant introduction (PI) lines identified to have an elevated oleic acid content were characterized for sequence mutations in the FAD 2-1A and FAD2-1B genes. PI 603452 was found to contain a deletion of a nucleotide in the second exon of FAD2-1A. These important SNPs were used in developing molecular marker genotyping assays. The assays appear to be a reliable and accurate tool to identify the FAD 2-1A and FAD2-1B genotype of wild-type and mutant plants. PI 603452 was subsequently crossed with PI 283327, a soybean line that has a mutation in FAD2-1B. Interestingly, soybean lines carrying both homozygous insertion/deletion mutation (indel) FAD2-1A alleles and mutant FAD2-1B alleles have an average of 82-86% oleic acid content, compared to 20% in conventional soybean, and low levels of linoleic and linolenic acids. The newly identified indel mutation in the FAD2-1A gene offers a simple method for the development of high oleic acid commercial soybean varieties.
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