Microsatellite-based genetic monitoring to detect cryptic demographic bottleneck in Indian riverine buffaloes (Bubalus bubalis).

Tropical Animal Health and Production
Ranjit S KatariaBishnu P Mishra

Abstract

The present study was undertaken to evaluate different Indian riverine buffalo breeds (Bubalus bubalis) for mutation drift equilibrium and occurrence of any recent genetic bottleneck. A total of 330 animals from seven different breeds were analyzed with a set of 24 heterologous microsatellite markers. Three different tests revealed significant heterozygosity excess in all the seven buffalo breeds studied when assumed under infinite alleles model of microsatellite evolution, while it was the reverse with no significant heterozygosity excess when assumed under conservative stepwise mutation model. Under the two-phase model, all the buffalo breeds except Mehsana were found to be in mutation drift equilibrium when evaluated by all the three statistical methods. Standardized differences test and Wilcoxon signed-rank test revealed significant heterozygosity excess suggesting possible cryptic demographic bottleneck in Mehsana buffaloes of Western India.

References

Apr 12, 1994·Proceedings of the National Academy of Sciences of the United States of America·A Di RienzoN B Freimer
Nov 30, 1998·Science·R L WestemeierK N Paige
Oct 31, 2006·Journal of Genetics·A K PandeyS P S Ahlawat
Feb 12, 2009·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·B P MishraD K Sadana

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Citations

May 18, 2012·Tropical Animal Health and Production·Palanisamy GanapathiPeriasamy Kathiravan

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