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PLoS One. 2014 Mar 10;9(3):e90414. doi: 10.1371/journal.pone.0090414. eCollection 2014.

Y chromosome haplogroup distribution in Indo-European speaking tribes of Gujarat, western India.

Author information

1
Department of Anthropology, School of Applied Sciences, Dr. Harisingh Gour University, Sagar, Madhya Pradesh, India.
2
South Asia Network for Chronic Disease, Public Health Foundation of India, Delhi, India.
3
Department of Anthropology, University of Delhi, Delhi, India.
4
Valsad Raktdan Kendra, R.N.C. Free Eye Hospital Complex, Valsad, Gujarat, India.
5
Anthropological Survey of India, Southern Regional Center, Mysore, Karnataka, India.

Abstract

The present study was carried out in the Indo-European speaking tribal population groups of Southern Gujarat, India to investigate and reconstruct their paternal population structure and population histories. The role of language, ethnicity and geography in determining the observed pattern of Y haplogroup clustering in the study populations was also examined. A set of 48 bi-allelic markers on the non-recombining region of Y chromosome (NRY) were analysed in 284 males; representing nine Indo-European speaking tribal populations. The genetic structure of the populations revealed that none of these groups was overtly admixed or completely isolated. However, elevated haplogroup diversity and FST value point towards greater diversity and differentiation which suggests the possibility of early demographic expansion of the study groups. The phylogenetic analysis revealed 13 paternal lineages, of which six haplogroups: C5, H1a*, H2, J2, R1a1* and R2 accounted for a major portion of the Y chromosome diversity. The higher frequency of the six haplogroups and the pattern of clustering in the populations indicated overlapping of haplogroups with West and Central Asian populations. Other analyses undertaken on the population affiliations revealed that the Indo-European speaking populations along with the Dravidian speaking groups of southern India have an influence on the tribal groups of Gujarat. The vital role of geography in determining the distribution of Y lineages was also noticed. This implies that although language plays a vital role in determining the distribution of Y lineages, the present day linguistic affiliation of any population in India for reconstructing the demographic history of the country should be considered with caution.

PMID:
24614885
PMCID:
PMC3948632
DOI:
10.1371/journal.pone.0090414
[Indexed for MEDLINE]
Free PMC Article

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