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Genetic structure, population diversity and ancestry of Nicobari fowl based on mtDNA complete D-loop sequences

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Title Genetic structure, population diversity and ancestry of Nicobari fowl based on mtDNA complete D-loop sequences
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Creator Kangayan M, De AK, Bhattacharya D, Tamilvanan S, Ponraj P, Alyethodi RR, Sunder J, Bala PA, Kundu A and Chakurkar EB
 
Subject Nicobari fowl; complete D-loop sequence; mitochondrial DNA; haplogroups; ancestry
 
Description Not Available
Nicobari fowl constitute an endemic poultry germplasm of Andaman and Nicobar Islands, India. Genetic diversity, population
structure and ancestry of Nicobari fowl were analysed with mitochondrial D-loop sequences. Analysis of complete D-loop sequences
(1231–1232 bp) showed 46 polymorphic sites resulting in 26 haplotypes with overall haplotype diversity of 0.895 and nucleotide diversity
of 0.0064. Analysis of molecular variance of spatial populations (sampling sites) of Nicobari fowl revealed that the estimated FST value as
0.229 among the populations. Tajima’s D and Fu’s FS tests indicated nonsignificant deviation from neutrality and the multimodal pattern of
mismatch distribution in demographic expansion suggested that Nicobari fowl populations are in equilibrium. The median-joining (MJ)
network of D-loop sequences with reference haplogroup sequences identifies the presence of haplogroups A, B, E1, E2, F and I in Nicobari
fowl. The major haplogroup in Nicobari fowl was E (60%), which is otherwise found mainly in the Indian subcontinent. Phylogenetic
analysis of Nicobari fowl with junglefowl by maximum likelihood method showed Gallus gallus murghi and G. g. spadiceus as maternal
progenitors. Grouping of Nicobari fowl with their primary ancestor, Indian red Junglefowl (G. g. murghi) and the presence of Indian
subcontinent-specific haplogroups (E2 and I) support the independent domestication of chickens in India. This study will help to design
breeding strategy for conservation of Nicobari fowl in its island habitat
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Date 2023-12-18T12:22:56Z
2023-12-18T12:22:56Z
2022-04-18
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/81063
 
Language English
 
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Publisher Not Available