Abstract

http://ssrn.com/abstract=2261713
 
 

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Assessment Population Genetic Structure and Diversity among Indian Snow Trout (S.richardsonii) Fish Species


Gopal Krishnan Sivaraman Sr.


VRC of CIFT (ICAR)

A. Barat


Directorate of Coldwater Fisheries Research (DCFR)

S. Ali


Directorate of Coldwater Fisheries Research (ICAR)

K.D. Joshi


Directorate of Coldwater Fisheries Research (ICAR)

P. C. Mahanta


Directorate of Coldwater Fisheries Research

May 7, 2013


Abstract:     
In this study, the levels of genetic variability were estimated in S.richadsonii fish populations from three different locations viz., Chirapani stream (pop 1), Gola (pop 2) and KosiRiver (pop 3) by using OPY Operon primers and 10 primers were produced distinct and repeatable amplification as well polymorphic loci. The higher proportion of polymorphic loci was observed in Champawat population as compared to other two populations and with the overall % polymorphisms were 14.76. The OPY 01, OPY 04, OPY 11 and OPY 16 primers were found to be the population specific banding patterns among these three populations. The Nei's genetic diversity (h) was found to be highest in pop1 andpop2 with 0.24 and 0.2 in pop3. The total gene diversity (Ht) in the population was 0.2962, within sample gene diversity (Hs) of 0.2321 and the genetic differentiation (GST) among the populations was 0.2164. The largest genetic distance (0.1565) was obtained between pop1 and pop2, whereas the smallest genetic distance was between pop1 and pop3 (0.1058), followed by pop3 and pop2 (0.1385). Further it is suggested that the levels of genetic identity and diversity obtained was very low and might be due to the less number of polymorphic loci and migration rate.

Number of Pages in PDF File: 12

Keywords: Coldwater Fish, RAPD, Genetic Diversity, Markers, Population

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Date posted: May 10, 2013 ; Last revised: October 1, 2013

Suggested Citation

Sivaraman, Gopal Krishnan and Barat, A. and Ali, S. and Joshi, K.D. and Mahanta, P. C., Assessment Population Genetic Structure and Diversity among Indian Snow Trout (S.richardsonii) Fish Species (May 7, 2013). Available at SSRN: http://ssrn.com/abstract=2261713 or http://dx.doi.org/10.2139/ssrn.2261713

Contact Information

Gopal Krishnan Sivaraman Sr. (Contact Author)
VRC of CIFT (ICAR) ( email )
Bhidia Plot, Veraval
Matsyabhawan
Veraval, GA Gujarat 362269
India
02876231297 (Phone)
A. Barat
Directorate of Coldwater Fisheries Research (DCFR) ( email )
Industrial Area, Bhimtal 263136
Uttarakhand
Nainital, Uttarakhand
India
S. Ali
Directorate of Coldwater Fisheries Research (ICAR) ( email )
Uttarakhand
Nainital, Uttarakhand 263136
India
K.D. Joshi
Directorate of Coldwater Fisheries Research (ICAR) ( email )
Uttarakhand
Nainital, Uttarakhand 263136
India
P. C. Mahanta
Directorate of Coldwater Fisheries Research ( email )
Bhimtal
Uttarakhand
Nainital, Uttarakhand 263136
India
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