Draft genome sequence of chickpea (Cicer arietinum) provides a resource for trait improvement

Varshney, Rajeev K. ; Song, Chi ; Saxena, Rachit K. ; Azam, Sarwar ; Yu, Sheng ; Sharpe, Andrew G. ; Cannon, Steven ; Baek, Jongmin ; Rosen, Benjamin D. ; Tar'an, Bunyamin ; Millan, Teresa ; Zhang, Xudong ; Ramsay, Larissa D. ; Iwata, Aiko ; Wang, Ying ; Nelson, William ; Farmer, Andrew D. ; Gaur, Pooran M. ; Soderlund, Carol ; Penmetsa, R Varma ; Xu, Chunyan ; Bharti, Arvind K. ; He, Weiming ; Winter, Peter ; Zhao, Shancen ; Hane, James K. ; Carrasquilla-Garcia, Noelia ; Condie, Janet A. ; Upadhyaya, Hari D. ; Luo, Ming-Cheng ; Thudi, Mahendar ; Gowda, C. L. L. ; Singh, Narendra P. ; Lichtenzveig, Judith ; Gali, Krishna K. ; Rubio, Josefa ; Nadarajan, N. ; Dolezel, Jaroslav ; Bansal, Kailash C ; Xu, Xun ; Edwards, David ; Zhang, Gengyun ; Kahl, Guenter ; Gil, Juan ; Singh, Karam B. ; Datta, Swapan K. ; Jackson, Scott A. ; Wang, Jun ; Cook, Douglas R. (2013) Draft genome sequence of chickpea (Cicer arietinum) provides a resource for trait improvement Nature Biotechnology, 31 (3). pp. 240-246. ISSN 1087-0156

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Official URL: http://www.nature.com/nbt/journal/v31/n3/full/nbt....

Related URL: http://dx.doi.org/10.1038/nbt.2491


Chickpea (Cicer arietinum) is the second most widely grown legume crop after soybean, accounting for a substantial proportion of human dietary nitrogen intake and playing a crucial role in food security in developing countries. We report the ~738-Mb draft whole genome shotgun sequence of CDC Frontier, a kabuli chickpea variety, which contains an estimated 28,269 genes. Resequencing and analysis of 90 cultivated and wild genotypes from ten countries identifies targets of both breeding-associated genetic sweeps and breeding-associated balancing selection. Candidate genes for disease resistance and agronomic traits are highlighted, including traits that distinguish the two main market classes of cultivated chickpea—desi and kabuli. These data comprise a resource for chickpea improvement through molecular breeding and provide insights into both genome diversity and domestication.

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