Articles written in Journal of Genetics

    • Investigating the West Eurasian ancestry of Pakistani Hazaras


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      The Hazaras are a distinct ethnic group from central Afghanistan and northwestern Pakistan of Mongoloid descent. Here, we sought to dissect the genetic admixture history of the Pakistani Hazaras and investigated their likely affiliation to ancient and extant West Eurasian populations. Our results indicated that the likely proportion of West Eurasian ancestry was low in the Hazaras and could be attributed putatively to a combination of Steppe populations from Early/Middle Bronze Age or Middle/Late Bronze Age and the Neolithic Iranians. Our results expand upon the current understanding and provide an improved resolution into the population history of the Pakistani Hazaras.

    • Developing ancestry informative marker panel for Nigeria- Cameroonian chimpanzees


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      Chimpanzees (Pan troglodytes), with a dwindling population size, are distributed across sub-Saharan Africa. They are classified into two biogeographical clusters comprising of four subspecies: a western African cluster that includes P. t. verus and P. t. ellioti and a central/eastern African cluster that includes P. t. troglodytes and P. t. schweinfurthii. While the genetic distinctness of Nigeria-Cameroonian chimpanzees (P. t. ellioti) from western chimpanzees has been known for a while, the fine structures within P. t. ellioti population has remained under-studied. In this study, we developed the first ever ancestry informative marker (AIMs) panel that can detect the fine population structure within Nigeria-Cameroonian chimpanzees with high resolution. We compared four commonly used AIMs determining strategies, namely Infocalc algorithm, Wright’s FST, smart principal component analysis (SmartPCA) and ADMIXTURE to first identify the best approach and then developed an AIMs panel of 435 SNPs employing the consensus of the four approaches (n = 129),with additional supplements from the best two approaches (Infocalc and ADMIXTURE). To the best of our knowledge, we have developed the first-ever AIMs panel for chimpanzees, which can greatly aid in their planned reintroduction to the natural habitat, maintaining their genetic integrity through planned captive breeding, and in tracking illegal trading across the globe.

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