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芝麻油脂产量和品质的基因发现

Genetic discovery for oil production and quality in sesame.

作者信息

Wei Xin, Liu Kunyan, Zhang Yanxin, Feng Qi, Wang Linhai, Zhao Yan, Li Donghua, Zhao Qiang, Zhu Xiaodong, Zhu Xiaofeng, Li Wenjun, Fan Danlin, Gao Yuan, Lu Yiqi, Zhang Xianmei, Tang Xiumei, Zhou Congcong, Zhu Chuanrang, Liu Lifeng, Zhong Ruichun, Tian Qilin, Wen Ziruo, Weng Qijun, Han Bin, Huang Xuehui, Zhang Xiurong

机构信息

Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture of People's Republic of China, Oilcrops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.

National Center for Gene Research, Collaborative Innovation Center for Genetics and Development, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 500 Caobao Road, Shanghai 200233, China.

出版信息

Nat Commun. 2015 Oct 19;6:8609. doi: 10.1038/ncomms9609.

DOI:10.1038/ncomms9609
PMID:26477832
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4634326/
Abstract

Oilseed crops are used to produce vegetable oil. Sesame (Sesamum indicum), an oilseed crop grown worldwide, has high oil content and a small diploid genome, but the genetic basis of oil production and quality is unclear. Here we sequence 705 diverse sesame varieties to construct a haplotype map of the sesame genome and de novo assemble two representative varieties to identify sequence variations. We investigate 56 agronomic traits in four environments and identify 549 associated loci. Examination of the major loci identifies 46 candidate causative genes, including genes related to oil content, fatty acid biosynthesis and yield. Several of the candidate genes for oil content encode enzymes involved in oil metabolism. Two major genes associated with lignification and black pigmentation in the seed coat are also associated with large variation in oil content. These findings may inform breeding and improvement strategies for a broad range of oilseed crops.

摘要

油料作物用于生产植物油。芝麻（Sesamum indicum）是一种在全球种植的油料作物，含油量高且二倍体基因组较小，但油脂产量和品质的遗传基础尚不清楚。在此，我们对705个不同的芝麻品种进行测序，构建芝麻基因组单倍型图谱，并对两个代表性品种进行从头组装以识别序列变异。我们在四种环境中研究了56个农艺性状，鉴定出549个相关位点。对主要位点的研究确定了46个候选致病基因，包括与含油量、脂肪酸生物合成和产量相关的基因。几个含油量候选基因编码参与油脂代谢的酶。两个与种皮木质化和黑色素沉着相关的主要基因也与含油量的巨大差异有关。这些发现可能为广泛的油料作物的育种和改良策略提供参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/8516e32f9d21/ncomms9609-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/a64382c86a4a/ncomms9609-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/0dd0b128926f/ncomms9609-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/e27e9f84e791/ncomms9609-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/ffc3172c8fc8/ncomms9609-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/795b51414e1b/ncomms9609-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/8516e32f9d21/ncomms9609-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/a64382c86a4a/ncomms9609-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/0dd0b128926f/ncomms9609-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/e27e9f84e791/ncomms9609-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/ffc3172c8fc8/ncomms9609-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/795b51414e1b/ncomms9609-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7ef/4634326/8516e32f9d21/ncomms9609-f6.jpg

相似文献

[1]
Genetic discovery for oil production and quality in sesame.

Nat Commun. 2015-10-19

[2]
Analysis of expression sequence tags from a full-length-enriched cDNA library of developing sesame seeds (Sesamum indicum).

BMC Plant Biol. 2011-12-24

[3]
Genome sequencing of the high oil crop sesame provides insight into oil biosynthesis.

Genome Biol. 2014-2-27

[4]
Genome-Wide Association Studies of 39 Seed Yield-Related Traits in Sesame ( L.).

Int J Mol Sci. 2018-9-17

[5]
Gene expression profiles that shape high and low oil content sesames.

BMC Genet. 2019-5-16

[6]
Genome-wide association study of seed coat color in sesame (Sesamum indicum L.).

PLoS One. 2021

[7]
Genome-Wide Analysis of nsLTP Gene Family and Identification of Contributing to High Oil Accumulation in Sesame ( L.).

Int J Mol Sci. 2021-5-18

[8]
Transcriptome Dynamics during Black and White Sesame ( L.) Seed Development and Identification of Candidate Genes Associated with Black Pigmentation.

Genes (Basel). 2020-11-25

[9]
Genomic evolution and insights into agronomic trait innovations of Sesamum species.

Plant Commun. 2024-1-8

[10]
Association mapping of seed oil and protein content in Sesamum indicum L. using SSR markers.

PLoS One. 2014-8-25

引用本文的文献

[1]
Enhancing Oil Content in Oilseed Crops: Genetic Insights, Molecular Mechanisms, and Breeding Approaches.

Int J Mol Sci. 2025-7-31

[2]
GePIF4 Increases the Multi-Flower/Capsule-Bearing Traits and Gastrodin Biosynthesis in .

Plants (Basel). 2025-5-31

[3]
Genome-wide identification and association analysis of informative SNPs of various nutri-nutraceutical traits in Buckwheat ( spp.).

Front Plant Sci. 2025-4-24

[4]
Exploring the Diversity in Oil Content, Fatty Acid Profiles, and Seed Coat Color in Sudanese Sesame Germplasm: Implications for Breeding and Crop Improvement.

Plant Environ Interact. 2025-4-4

[5]
Genome-wide association scan and candidate gene analysis for seed coat color in sesame ( L.).

Front Plant Sci. 2025-1-28

[6]
Seed and foliar application of nano-selenium improves sesame triacylglycerols and oil yield via photosynthetic pigment and enzymatic and chemical antioxidant enhancement revealed by spectrophotometric, UHPLC-analysis and chemometric modeling.

Front Plant Sci. 2024-11-5

[7]
SesamumGDB: a comprehensive platform for Sesamum genetics and genomics analysis.

Database (Oxford). 2024-10-19

[8]
High-density genetic map construction and QTL mapping to identify genes for blight defense- and yield-related traits in sesame ( L.).

Front Plant Sci. 2024-9-26

[9]
Genomic analyses of agronomic traits in tea plants and related species.

Front Plant Sci. 2024-8-26

[10]
Food safety issues associated with sesame seed value chains: Current status and future perspectives.

Heliyon. 2024-8-14

本文引用的文献

[1]
Resequencing 302 wild and cultivated accessions identifies genes related to domestication and improvement in soybean.

Nat Biotechnol. 2015-2-2

[2]
The beet Y locus encodes an anthocyanin MYB-like protein that activates the betalain red pigment pathway.

Nat Genet. 2014-12-1

[3]
Deep resequencing reveals allelic variation in Sesamum indicum.

BMC Plant Biol. 2014-8-20

[4]
Genome sequencing of the high oil crop sesame provides insight into oil biosynthesis.

Genome Biol. 2014-2-27

[5]
Genome-wide association study dissects the genetic architecture of seed weight and seed quality in rapeseed (Brassica napus L.).

DNA Res. 2014-8

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A genome-wide association study of seed protein and oil content in soybean.

BMC Genomics. 2014-1-2

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Diversity characterization and association analysis of agronomic traits in a Chinese peanut (Arachis hypogaea L.) mini-core collection.

J Integr Plant Biol. 2014-1-23

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A haplotype map of genomic variations and genome-wide association studies of agronomic traits in foxtail millet (Setaria italica).

Nat Genet. 2013-6-23

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Candidate genes and genetic architecture of symbiotic and agronomic traits revealed by whole-genome, sequence-based association genetics in Medicago truncatula.

PLoS One. 2013-5-31

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SOAPdenovo2: an empirically improved memory-efficient short-read de novo assembler.

Gigascience. 2012-12-27

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