Analysis of genetic structure of Jamunapari goats by microsatellite markers

Genetic variation at 23 microsatellite loci, population structure, and genetic bottleneck hypothesis were examined for Jamunapari goat population found in Etawah, Uttar Pradesh, India. Estimates of genetic variability such as effective number of alleles and gene diversities revealed substantial gene...

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Bibliographic Details
Published in:Small ruminant research 2006-11, Vol.66 (1), p.140-149
Main Authors: Gour, Digpal Singh, Malik, Geetu, Ahlawat, S.P.S., Pandey, A.K., Sharma, Rekha, Gupta, Neelam, Gupta, S.C., Bisen, P.S., Kumar, Dinesh
Format: Article
Language:English
Subjects:
alleles
animal breeding
biodiversity
Bottleneck
estimation
gene frequency
genetic bottleneck hypothesis
genetic polymorphism
Genetic variation
Goat
goats
inbreeding
India
Jamnapari
loci
Microsatellite loci
microsatellite repeats
molecular sequence data
phylogeny
population genetics
Population structure
quantitative analysis
quantitative genetics
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Summary:Genetic variation at 23 microsatellite loci, population structure, and genetic bottleneck hypothesis were examined for Jamunapari goat population found in Etawah, Uttar Pradesh, India. Estimates of genetic variability such as effective number of alleles and gene diversities revealed substantial genetic variation frequently displayed by microsatellite markers. Number of alleles observed across the microsatellite loci varied from 2 to 10 with an overall mean of 4.913 ± 1.905. Average polymorphism across the studied loci and expected gene diversity in the population were 1.066 ± 0.510 and 0.528 ± 0.237, respectively. Population was observed to be significantly differentiated into different groups, and showed fairly high level of inbreeding ( f = 0.189 ± 0.049) and global heterozygote deficit. Bottleneck analysis indicated the introduction of unique/rare alleles by immigrants.
ISSN:0921-4488
1879-0941
DOI:10.1016/j.smallrumres.2005.07.053