Draft genome sequence of chickpea (Cicer arietinum) provides a resource for trait improvement
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Open Access
- 27 January 2013
- journal article
- research article
- Published by Springer Science and Business Media LLC in Nature Biotechnology
- Vol. 31 (3), 240-246
- https://doi.org/10.1038/nbt.2491
Abstract
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.Keywords
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