ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
Natural variations in stearoyl-acp desaturase genes affect the conversion of stearic to oleic acid in maize kernel.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.
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16 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.
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- Meta-QTL analysis for mining key genes associated with seed oil content in maize.BMC plant biology · 2025Article
- Genes and genetics belong to maize haploid induction.Frontiers in plant science · 2025Review
- Agronomic, physiological and transcriptional characteristics provide insights into fatty acid biosynthesis in yellowhorn (Frontiers in genetics · 2024Article
- Genome-Wide Identification and Expression Analysis of the Stearoyl-Acyl Carrier Protein Δ9 Desaturase Gene Family under Abiotic Stress in Barley.International journal of molecular sciences · 2023Article
- Analysis of Delta(9) fatty acid desaturase gene family and their role in oleic acid accumulation inFrontiers in plant science · 2023Article
- Genetic basis of the oil biosynthesis in ultra-high-oil maize grains with an oil content exceeding 20.Frontiers in plant science · 2023Article
- Transcriptomic and Metabolomic Analysis Unravels the Molecular Regulatory Mechanism of Fatty Acid Biosynthesis inInternational journal of molecular sciences · 2022Article
- Genetic basis of maize kernel oil-related traits revealed by high-density SNP markers in a recombinant inbred line population.BMC plant biology · 2021Article
- Human geroprotector discovery by targeting the converging subnetworks of aging and age-related diseases.GeroScience · 2020Article
- Interspecific Variation in the Unsaturation Level of Seed Oils Were Associated With the Expression Pattern Shifts of Duplicated Desaturase Genes and the Potential Role of Other Regulatory Genes.Frontiers in plant science · 2020Article
- Genetic and environmental variation impact the cuticular hydrocarbon metabolome on the stigmatic surfaces of maize.BMC plant biology · 2019Article
- Article
- Leveraging GWAS data to identify metabolic pathways and networks involved in maize lipid biosynthesis.The Plant journal : for cell and molecular biology · 2019Article
- Comparative genomic and transcriptomic analysis of selected fatty acid biosynthesis genes and CNL disease resistance genes in oil palm.PloS one · 2018Article
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Authors and funding
8 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
key messageWe identified 11 SAD genes, and mined their natural variations associated with the conservation of stearic to oleic acid, especially ZmSAD1 supported by both the QTL and an expression QTL. Maize oil is generally regarded as a healthy vegetable oil owing to its low abundance of saturated fatty acids. Stearoyl-ACP desaturase (SAD) is a key rate-limiting enzyme for the conservation of stearic (C18:0) to oleic (C18:1) acid. Here, 11 maize SAD genes were identified to have more divergent functions than Arabidopsis SAD genes. The genomic regional associations in a maize panel including 508 inbred lines identified 6 SAD genes significantly associated (P < 0.01) with the C18:0/C18:1 ratio or the level of C18:0 or C18:1, one gene of which co-localized with a quantitative trait locus (QTL) and 5 of which co-localized with an expression QTL. ZmSAD1, supported by both the QTL and an expression QTL, had the largest effect on C18:0/C18:1. One nonsynonymous single-nucleotide polymorphism in exon 3 and one 5-bp insertion/deletion in the 3' untranslated region were further shown to contribute to the natural variation in C18:0/C18:1 according to ZmSAD1-based association mapping. Finally, selection tests of ZmSAD1 in teosinte, regular maize, and high-oil maize indicated that ZmSAD1 was not a selection target during the process of maize domestication and high-oil maize development. These results will guide the manipulation of the ratio between saturated and unsaturated fatty acids in maize.
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