Genetic variability analysis of Giant river cattish (Sperata seenghala) populations from Indus river system by RAPD-PCR

Genetic variability analysis of Giant river cattish (Sperata seenghala) populations from Indus... The Giant river catfish, Sperata seenghala (Sykes) is commercially very important fish species of South Asia. Genetic variability between its populations collected from two rivers i.e. river Sutlej and river Beas of Indus river system in India were examined using randomly amplified polymorphic DNA analysis. Total 38 fish samples were collected from river Sutlej whereas 46 fish samples were collected from river Beas. Total 40 primers were screened, out of these 7 were selected for studying polymorphism which produced a total of 64 RAPD loci in two populations. Percentage polymorphic loci calculated following 95% criterion was 89.06 % for Beas population as compared to 95.31 % for Sutlej population. Moderate level of genetic divergence (genetic distance of 0.0486) between both the populations suggests distinct population substructure of giant river catfish in both the rivers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Genetic variability analysis of Giant river cattish (Sperata seenghala) populations from Indus river system by RAPD-PCR

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Publisher
Springer Journals
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410080107
Publisher site
See Article on Publisher Site

Abstract

The Giant river catfish, Sperata seenghala (Sykes) is commercially very important fish species of South Asia. Genetic variability between its populations collected from two rivers i.e. river Sutlej and river Beas of Indus river system in India were examined using randomly amplified polymorphic DNA analysis. Total 38 fish samples were collected from river Sutlej whereas 46 fish samples were collected from river Beas. Total 40 primers were screened, out of these 7 were selected for studying polymorphism which produced a total of 64 RAPD loci in two populations. Percentage polymorphic loci calculated following 95% criterion was 89.06 % for Beas population as compared to 95.31 % for Sutlej population. Moderate level of genetic divergence (genetic distance of 0.0486) between both the populations suggests distinct population substructure of giant river catfish in both the rivers.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Aug 17, 2010

References

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