ArticleBMC plant biology2021
Explore the gene network regulating the composition of fatty acids in cottonseed.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 23 citations in OpenAlex.
- GhUGT84A1 underlying a novel locus qOC-A03-1 regulates cottonseed oil content revealed by integrated deep resequencing and QTL mapping.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Evolutionary origin and asymmetric subgenomic retention of the lncRNAFrontiers in plant science · 2026Article
- pseudo-GhFAD2-1 Is a lncRNA Involved in Regulating Cottonseed Oleic and Linoleic Acid Ratios and Seed Size in Gossypium hirsutum.Plant biotechnology journal · 2025Article
- Gene Expression and Fatty Acid Composition in Sea Buckthorn Seeds and Pulp During Fruit Development of Different Varieties.International journal of molecular sciences · 2025Article
- Contribution of the leaf and silique photosynthesis to the seeds yield and quality of oilseed rape (Brassica napus L.) in reproductive stage.Scientific reports · 2023Article
- Impact of water deficiency on leaf cuticle lipids and gene expression networks in cotton (Gossypium hirsutum L.).BMC plant biology · 2022Article
- Genetics, Breeding and Genetic Engineering to Improve Cottonseed Oil and Protein: A Review.Frontiers in plant science · 2022Review
- Abscisic Acid Improves Linoleic Acid Accumulation Possibly by Promoting Expression ofFrontiers in plant science · 2021Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCottonseed is one of the major sources of vegetable oil. Analysis of the dynamic changes of fatty acid components and the genes regulating the composition of fatty acids of cottonseed oil is of great significance for understanding the biological processes underlying biosynthesis of fatty acids and for genetic improving the oil nutritional qualities.
resultsIn this study, we investigated the dynamic relationship of 13 fatty acid components at 12 developmental time points of cottonseed (Gossypium hirsutum L.) and generated cottonseed transcriptome of the 12 time points. At 5-15 day post anthesis (DPA), the contents of polyunsaturated linolenic acid (C18:3n-3) and saturated stearic acid (C18:0) were higher, while linoleic acid (C18:2n-6) was mainly synthesized after 15 DPA. Using 5 DPA as a reference, 15,647 non-redundant differentially expressed genes were identified in 10-60 DPA cottonseed. Co-expression gene network analysis identified six modules containing 3275 genes significantly associated with middle-late seed developmental stages and enriched with genes related to the linoleic acid metabolic pathway and α-linolenic acid metabolism. Genes (Gh_D03G0588 and Gh_A02G1788) encoding stearoyl-ACP desaturase were identified as hub genes and significantly up-regulated at 25 DPA. They seemed to play a decisive role in determining the ratio of saturated fatty acids to unsaturated fatty acids. FAD2 genes (Gh_A13G1850 and Gh_D13G2238) were highly expressed at 25-50 DPA, eventually leading to the high content of C18:2n-6 in cottonseed. The content of C18:3n-3 was significantly decreased from 5 DPA (7.44%) to 25 DPA (0.11%) and correlated with the expression characteristics of Gh_A09G0848 and Gh_D09G0870.
conclusionsThese results contribute to our understanding on the relationship between the accumulation pattern of fatty acid components and the expression characteristics of key genes involved in fatty acid biosynthesis during the entire period of cottonseed development.
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