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Original Article

J Med Allied Sci. 2012; 2(2): 49-53


Genetic diversity among Puntius sophore complex using restriction fragment length polymorphism

Smitha Balaraj, Madompoyil Basheer.



Abstract
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Restriction fragment length polymorphism (RFLP) analysis of ge-nomic DNA was employed to characterize species of Puntius sophore complex, a benthopelagic freshwater fish species. Samples of five species of Puntius viz, Puntius sophore, Puntius amphibius, Puntius chola, Puntius bimaculatus and Puntius dorsalis from the East-flowing Tamiraparani and Kuzhithurai and West-flowing Tamiraparani river basins (Western Ghats) were analyzed. The restriction enzyme employed (Hind III) generated species-specific DNA patterns for each of the five species. DNA exhibited considerable polymorphism among species. All samples showed relatively high values of diversity. The relation between species is discussed.

Key words: RFLP, Hind III, Genetic diversity, Puntius sophore complex





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