Genetic discovery for oil production and quality in sesame

文献类型: 外文期刊

第一作者: Zhang, Yanxin

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

作者机构:

关键词: GENOME-WIDE ASSOCIATION;MINI-CORE COLLECTION;AGRONOMIC TRAITS;TRANSCRIPTION FACTORS;OPEN SOFTWARE;ARABIDOPSIS;L.;DOMESTICATION;ENCODES;INDICUM

期刊名称:NATURE COMMUNICATIONS ( 影响因子:14.919; 五年影响因子:15.805 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: 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.

分类号: N

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