Genomic tools and germplasm diversity for chickpea improvement

Upadhyaya, H D and Thudi, M and Dronavalli, N and Gujaria, N and Singh, Sube and Sharma, S and Varshney, R K (2011) Genomic tools and germplasm diversity for chickpea improvement. Plant Genetic Resources : Characterization and Utilization, 9 (1). pp. 45-58.

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Chickpea is the third most important grain legume grown in the arid and semi-arid regions of the world. In spite of vast germplasm accessions available in different genebanks, there has been very limited use of these accessions in genetic enhancement of chickpea. However, in recent years, specialized germplasm subsets such as global composite collection, core collection, mini core collection and reference set have been developed. In parallel, significant genomic resources such as molecular markers including simple sequence repeats (SSRs), single nucleotide polymorphisms (SNPs), diversity arrays technology (DArT) and transcript sequences, e.g. expressed sequence tags, short transcript reads, have been developed. By using SSR, SNP and DArT markers, integrated genetic maps have been developed. It is anticipated that the use of genomic resources and specialized germplasm subsets such as mini core collection and reference set will facilitate identification of trait-specific germplasm, trait mapping and allele mining for resistance to biotic and abiotic stresses and for agronomic traits. Advent of the next generation sequencing technologies coupled with advances in bioinformatics offers the possibility of undertaking large-scale sequencing of germplasm accessions so that modern breeding approaches such as genomic selection and breeding by design can be realized in near future for chickpea improvement.

Item Type: Article
Uncontrolled Keywords: Cicer; genomic resources; mini core; reference set; germplasm repositories; allelic diversity; trait-specific germplasm Polymorphism | genes
Agro Tags: <b>Agrotags</b> - chickpeas | genetics | germplasm | planting | genomes | crops | cicer arietinum | breeds (animals) | biodiversity | dna <br><b>Fishtags</b> - drying <br><b>Geopoliticaltags</b> - india | asia | usa | turkey | syria | centre | pakistan | mexico | ethiopia | bangladesh
Subjects: Mandate crops > Chickpea
Depositing User: Siva Shankar
Date Deposited: 19 May 2011 05:49
Last Modified: 22 Oct 2013 08:40
Official URL:
Funders: Generation Challenge Programme, Indian Council of Agricultural Research, Government of India - Department of Biotechnology
Acknowledgement: The authors are thankful to the Generation Challenge Programme (GCP) of CGIAR, the National Fund of Indian Council of Agricultural Research (ICAR) and Department of Biotechnology (DBT) of Government of India, for supporting genomics-based germplasm research at ICRISAT
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