Genetic discovery for oil production and quality in sesame

Xin Wei, Kunyan Liu, Yanxin Zhang, Qi Feng, Linhai Wang, Yan Zhao, Donghua Li, Qiang Zhao, Xiaodong Zhu, Xiaofeng Zhu, Wenjun Li, Danlin Fan, Yuan Gao, Yiqi Lu, Xianmei Zhang, Xiumei Tang, Congcong Zhou, Chuanrang Zhu, Lifeng Liu, Ruichun Zhong, Qilin Tian, Ziruo Wen, Qijun Weng, Bin Han, Xuehui Huang () and Xiurong Zhang ()
Additional contact information
Xin Wei: 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
Kunyan Liu: 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
Yanxin Zhang: 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
Qi Feng: 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
Linhai Wang: 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
Yan Zhao: 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
Donghua Li: 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
Qiang Zhao: 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
Xiaodong Zhu: 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
Xiaofeng Zhu: 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
Wenjun Li: 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
Danlin Fan: 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
Yuan Gao: 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
Yiqi Lu: 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
Xianmei Zhang: Luohe Academy of Agricultural Sciences
Xiumei Tang: Cash Crops Research Institute, Guangxi Academy of Agricultural Sciences
Congcong Zhou: 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
Chuanrang Zhu: 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
Lifeng Liu: Luohe Academy of Agricultural Sciences
Ruichun Zhong: Cash Crops Research Institute, Guangxi Academy of Agricultural Sciences
Qilin Tian: 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
Ziruo Wen: 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
Qijun Weng: 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
Bin Han: 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
Xuehui Huang: 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
Xiurong Zhang: 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

Nature Communications, 2015, vol. 6, issue 1, 1-10

Abstract: 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.

Date: 2015
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DOI: 10.1038/ncomms9609

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