Whole-genome resequencing of 292 pigeonpea accessions identifies genomic regions associated with domestication and agronomic traits

被引：156

作者：

Varshney, Rajeev K. ^{[1
,2
,3
]}

Saxena, Rachit K. ^{[1
]}

Upadhyaya, Hari D. ^{[1
]}

Khan, Aamir W. ^{[1
]}

Yu, Yue ^{[4
]}

Kim, Changhoon ^{[5
]}

Rathore, Abhishek ^{[1
]}

Kim, Dongseon ^{[5
]}

Kim, Jihun ^{[5
]}

An, Shaun ^{[4
]}

Kumar, Vinay ^{[1
]}

Anuradha, Ghanta ^{[6
]}

Yamini, Kalinati Narasimhan ^{[6
]}

Zhang, Wei ^{[4
]}

Muniswamy, Sonnappa ^{[7
]}

Kim, Jong-So ^{[5
]}

Penmetsa, R. Varma ^{[8
]}

von Wettberg, Eric ^{[9
]}

Datta, Swapan K. ^{[10
]}

机构：

[1] Int Crops Res Inst Semi Arid Trop, Hyderabad, Andhra Pradesh, India

[2] Univ Western Australia, Sch Agr & Environm, Crawley, WA, Australia

[3] Univ Western Australia, Inst Agr, Crawley, WA, Australia

[4] Shenzhen Millennium Genom Inc, Shenzhen, Peoples R China

[5] MACROGEN Inc, Seoul, South Korea

[6] PJTSAU, Inst Biotechnol, Hyderabad, Andhra Pradesh, India

[7] UAS, Agr Res Stn ARS Gulbarga, Bengaluru, Karnataka, India

[8] Univ Calif Davis, Dept Plant Sci, Davis, CA 95616 USA

[9] Florida Int Univ, Biol Sci & Int Ctr Trop Bot, Miami, FL 33199 USA

[10] Visva Bharati, Santini Ketan, India

来源：

NATURE GENETICS | 2017年 / 49卷 / 07期

关键词：

COPY NUMBER VARIATION; ARABIDOPSIS-THALIANA; POPULATION-STRUCTURE; GENETIC DIVERSITY; WIDE ASSOCIATION; WILD; CROP; SCHIZOPHRENIA; IMPROVEMENT; ADAPTATION;

D O I：

10.1038/ng.3872

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Pigeonpea (Cajanus cajan), a tropical grain legume with low input requirements, is expected to continue to have an important role in supplying food and nutritional security in developing countries in Asia, Africa and the tropical Americas. From wholegenome resequencing of 292 Cajanus accessions encompassing breeding lines, landraces and wild species, we characterize genome-wide variation. On the basis of a scan for selective sweeps, we find several genomic regions that were likely targets of domestication and breeding. Using genome-wide association analysis, we identify associations between several candidate genes and agronomically important traits. Candidate genes for these traits in pigeonpea have sequence similarity to genes functionally characterized in other plants for flowering time control, seed development and pod dehiscence. Our findings will allow acceleration of genetic gains for key traits to improve yield and sustainability in pigeonpea.

引用

页码：1082 / +

页数：9

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