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The genetic ancestry of modern Indus Valley populations from Northwest India.

Item Type:Article
Title:The genetic ancestry of modern Indus Valley populations from Northwest India.
Creators Name:Pathak, A.K. and Kadian, A. and Kushniarevich, A. and Montinaro, F. and Mondal, M. and Ongaro, L. and Singh, M. and Kumar, P. and Rai, N. and Parik, J. and Metspalu, E. and Rootsi, S. and Pagani, L. and Kivisild, T. and Metspalu, M. and Chaubey, G. and Villems, R.
Abstract:The Indus Valley has been the backdrop for several historic and prehistoric population movements between South Asia and West Eurasia. However, the genetic structure of present-day populations from Northwest India is poorly characterized. Here we report new genome-wide genotype data for 45 modern individuals from four Northwest Indian populations, including the Ror, whose long-term occupation of the region can be traced back to the early Vedic scriptures. Our results suggest that although the genetic architecture of most Northwest Indian populations fits well on the broader North-South Indian genetic cline, culturally distinct groups such as the Ror stand out by being genetically more akin to populations living west of India; such populations include prehistorical and early historical ancient individuals from the Swat Valley near the Indus Valley. We argue that this affinity is more likely a result of genetic continuity since the Bronze Age migrations from the Steppe Belt than a result of recent admixture. The observed patterns of genetic relationships both with modern and ancient West Eurasians suggest that the Ror can be used as a proxy for a population descended from the Ancestral North Indian (ANI) population. Collectively, our results show that the Indus Valley populations are characterized by considerable genetic heterogeneity that has persisted over thousands of years.
Keywords:Indus-Valley, Autosomes, Ror, mtDNA, Y Chromosome, Ancestral North Indian, Harappan Civilization, South Asia, Kurukshetra, aDNA
Source:American Journal of Human Genetics
ISSN:0002-9297
Publisher:Cell Press (U.S.A.)
Volume:103
Number:6
Page Range:918-929
Date:6 December 2018
Official Publication:https://doi.org/10.1016/j.ajhg.2018.10.022
External Fulltext:View full text on PubMed Central
PubMed:View item in PubMed

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