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Biochem Genet. 2013 Apr;51(3-4):306-22. doi: 10.1007/s10528-012-9564-7. Epub 2013 Jan 18.

Molecular characterization of primary gene pool of chickpea based on ISSR markers.

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  • 1National Research Center on Plant Biotechnology, Pusa Campus, New Delhi, 110012, India.


Genetic diversity and relationships within and among members of the primary gene pool of chickpea, including 38 accessions of Cicer arietinum, six of C. reticulatum,, and four of C. echinospermum, were investigated using 31 ISSR markers. The study revealed moderate diversity, detecting 141 fragments, of which 79 (56%) were polymorphic. Averages were 0.125 for polymorphic information content, 0.350 for marker index, and 0.715 for resolving power. The UPGMA dendrogram and the principal coordinate analysis revealed a clear differentiation between wild and cultivated accessions. The clustering pattern did not strictly follow the grouping of accessions by geographic origin but was in good agreement with the pedigree data and the seed type. The study demonstrates that ISSRs provide promising marker tools in revealing genetic diversity and relationships in chickpea and can contribute to efficient identification, conservation, and utilization of germplasm for plant improvement through conventional as well as molecular breeding approaches.

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