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Nat Biotechnol. 2013 Mar;31(3):240-6. doi: 10.1038/nbt.2491. Epub 2013 Jan 27.

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

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  • 1International Crops Research Institute for the Semi-Arid Tropics, Hyderabad, Andhra Pradesh, India. r.k.varshney@cgiar.org

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.

PMID:
23354103
[PubMed - indexed for MEDLINE]
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