Comparative Analyses of the ABO, KIR and HLA loci among the Rajbanshis of North Bengal region, India.

Tapas Kumar Chaudhuri


The sub-Himalayan Terai and Dooars region of North Bengal, India, is a hotspot of socio-cultural and ethnic diversity. One of the major caste populations present dominantly in this region is the Rajbanshi caste. Although a good numzber of opinions were forwarded regarding their origin, yet their genetic identity is still an unsolved question.  In the present study, we have aimed to analyze the ABO blood group system in the Rajbanshis of Terai and Dooars region of North Bengal and also have compared our observations with that of the predictions from already published studies on KIR and HLA diversity of the Rajbanshis. The frequencies of the A, B and O alleles in the studied population were found to be 0.1751 0.2313 and 0.5937 respectively. From our study based on the ABO, KIR and HLA loci, we came to the conclusion that although the Rajbanshis have genetic background similar to the other Indian populations, yet the effect of mongoloid influence on their genetic structure can be well documented.


Rajbanshi population; genetic diversity; HLA; KIR; Blood Group


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