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2012 (Vol. 4, Issue: 4)
Article Information:

Genetic Discontinuities and Sub structuring in buffaloes of Indo Gangetic Plains

Upasna Sharma, Priyanka Banerjee, Jyoti Joshi and Ramesh Kumar vijh
Corresponding Author:  R.K. Vijh 

Key words:  Bayesian clustering , genetical bandwidth mapping, genetic barriers, landscape genetics, markov model, microsatellites, womble method
Vol. 4 , (4): 284-291
Submitted Accepted Published
June 19, 2012 July 04, 2012 August 20, 2012

The Indo-Gangetic plains of India are fertile basin and have more than 23% buffaloes of India. Bhadawari is the only one recognised breed of buffalo in the basin. The population structure of this vast buffalo population was not known. In this present study, we generated data on 11 microsatellite markers on 625 buffaloes from Indo- Gangetic plains. We utilised landscape genetic tools combining molecular genetic data and spatial coordinates to decipher the genetic structure. We utilised wombling analysis and Bayesian clustering using Markov models. We also utilised Monmonier’s maximal difference algorithm for the identification of genetic barriers and tested their significance using 16 different genetic distances. The Womble analysis revealed three statistically significant barriers. The genetic bandwidth mapping revealed that buffaloes of Tarai area and Bhadawari buffaloes to have distinctive population structure. The buffaloes of Mau, Balia and Ghazipur also had a distinctive genetic structure. Most of the buffaloes of Central region of Indo-Gangetic plains were found to be heterogeneous. The variation in allele frequency in buffalo population in Indo Gangetic plains occurred at multiple scales. A sharp change in allele frequency in Eastern and Western Uttar Pradesh buffaloes was observed and detectable by all the techniques utilised and the buffalo population could be substructured into 5 clusters.
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  Cite this Reference:
Upasna Sharma, Priyanka Banerjee, Jyoti Joshi and Ramesh Kumar vijh, 2012. Genetic Discontinuities and Sub structuring in buffaloes of Indo Gangetic Plains.  International Journal of Animal and Veterinary Advances, 4(4): 284-291.
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ISSN (Online):  2041-2908
ISSN (Print):   2041-2894
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