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Molecular analysis for genetic structure of biotic and abiotic stress resistant genotypes in chickpea

Molecular analysis for genetic structure of biotic and abiotic stress resistant genotypes in chickpea

Dhaka 30th Jan.’14. In an article titled, “Molecular analysis for genetic structure of biotic and abiotic stress resistant genotypes in chickpea (Cicer arietinum  L.)” published in the December issue of Indian J. Biotechnology, seven researchers of a team headed by Rajendra Kumar carried out molecular characterization of  biotic and abiotic resistant genes in the resistant genotypes of chickpea. In their study, the researchers used a specific set of 20 polymorphic STMS (sequence tagged microsatellite sites). Their investigation revealed that the number of alleles ranged from 1 to 3 alleles per locus. The PIC (polymorphism information content) value was found to range from 0.0 to 0.656 with an average of 0.268, indicating the considerable efficiency of markers for studying the polymorphism level. The primer GA-33 showed maximum PIC value (0.656), while the ten primers had the 0.0 value. The dendogram derived from the analysis had six clusters.

Their study further revealed that between many pairs, the similarity is maximum (0.983),  whereas in the two accessions. namely, ICC-1392 and ICC-2065 the similarity was minimum (0.900).  Furthermore, the conservation of genotypes ICC-2580, ICC-1392 and ICC-2065 was recommended for their utilization in thechickpea improvement program in the Middle-East Asia region.

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