trafik ceza easy agario agario games agario agario unblocked agario modded agarioprivate Population and hierarchical genetic structure of Badis badis (Hamilton-Buchanan, 1822) in sub-Himalayan Terai region of West Bengal, India | Mukhopadhyay | International Journal of Aquaculture

Population and hierarchical genetic structure of Badis badis (Hamilton-Buchanan, 1822) in sub-Himalayan Terai region of West Bengal, India  

Tanmay Mukhopadhyay , Soumen Bhattacharjee
Cell and Molecular Biology Laboratory, Department of Zoology, University of North Bengal, P.O. North Bengal University, Siliguri 734013, West Bengal, INDIA
Author    Correspondence author
International Journal of Aquaculture, 2015, Vol. 5, No. 27   doi: 10.5376/ija.2015.05.0027
Received: 20 Jun., 2015    Accepted: 21 Jul., 2015    Published: 16 Sep., 2015
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Mukhopadhyay T. and Bhattacharjee S., 2015, Population and hierarchical genetic structure of Badis badis (Hamilton- Buchanan, 1822) in sub-Himalayan Terai region of West Bengal, India, International Journal of Aquaculture, 5(27): 1-10

Abstract

Badis badis is a threatened ornamental freshwater fish in the Indian scenario. But the population genetic background of this ichthyofauna is largely unexplored in the eastern sub-Himalayan hotspot region of West Bengal state of India, known as the Terai. We have studied six populations from two major streams (Mahananda and Balason) of the region through RAPD fingerprinting. The allelic richness, Shannon’s Information index and a measure of evenness were calculated for each population. The SHE analysis revealed the change in diversity pattern in a spatial scale. Our results indicated that the allelic richness decreased and the evenness increased in the populations as the streams drained from higher to a lower altitude. The Nei’s genetic distance, genetic identity and UPGMA dendrogram revealed that the six populations formed two distinct groups. The principal component analysis also supported the UPGMA dendrogram. The pair-wise gene differentiation and gene flow between the populations showed the hierarchical genetic structure of Badis badis in the studied region.

Keywords
Badis badis; Threatened ornamental fish; SHE analysis; Genetic hierarchy; RAPD fingerprinting
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