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Comprehensive analysis of mitochondrial DNA based genetic diversity in Indian goats.

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Title Comprehensive analysis of mitochondrial DNA based genetic diversity in Indian goats.
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Creator Diwedi J, Singh AW, Ahlawat S, Sharma R, Arora R, Sharma H, Raja KN, Verma NK and Tantia MS.
 
Subject mitochondrial DNA, genetic diversity, Indian goats, lineage
 
Description Not Available
Thirty four distinct breeds and many non-descript populations represent the caprine diversity of India. Genetic characterization of breeds is an essential element in designing breeding strategies and preserving genetic diversity. Considering the popularity of mitochondrial DNA for phylogeographical studies, this study involved an extensive analysis of population structure and genetic diversity of 28 defined breeds and 5 lesser known populations representing all four major agro-climatic zones of India using mitochondrial DNA markers. Analysis of hypervariable region 1 of mtDNA control region in 443 goats together with 22 reference sequences, delineated 341 distinct haplotypes belonging to four maternal haplogroups; A, B, C and D, with haplogroup A representing 90% of the individuals. The haplotype and nucleotide diversity indices of Indian goats were 0.998 ± 0.001 and 0.028 ± 0.001, respectively indicating abundant genetic variability. Estimates of population demographic parameters from mismatch analysis suggested a relatively good fit to the model of either spatial or demographic expansion of Indian goats. AMOVA analysis and topology of MJ network suggested lack of phylogeographic structure in domestic goats, which can be attributed to unstructured animal breeding, dwindling pastures and nomadic pastoralism. Genetic differentiation between goats from different agro-ecological regions was in accordance with their geographical propinquity.
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Date 2021-04-28T05:12:54Z
2021-04-28T05:12:54Z
2020-06-20
 
Type Article
 
Identifier Diwedi J, Singh AW, Ahlawat S, Sharma R, Arora R, Sharma H, Raja KN, Verma NK and Tantia MS. 2020. Comprehensive analysis of mitochondrial DNA based genetic diversity in Indian goats. Gene 756: 144910. https://doi.org/10.1016/j.gene
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http://krishi.icar.gov.in/jspui/handle/123456789/46803
 
Language English
 
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