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Peeping into mitochondrial diversity of Andaman goats: unveils possibility of maritime transport with diversified geographic signaling

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Title Peeping into mitochondrial diversity of Andaman goats: unveils possibility of maritime transport with diversified geographic signaling
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Creator De AK, Sawhney S, Sunder J, Muthiyan R, Ponraj P, Sujatha T, Malakar D, Mondal S, Bera AK, Kumar A, Chakurkar EB and Bhattacharya D
 
Subject Andaman local goat; Teressa goat; mitochondrial genotyping; lineage; phylogeny
 
Description Not Available
Andaman and Nicobar Islands, a part of South-East Asia, is enriched with the presence
of native breeds of livestock (cattle, pig, goat) and poultry. There are two native goat breeds, viz.,
Andaman local goat and Teressa goat in Andaman and Nicobar Islands. However, to date, the
origin and genetic makeup of these two breeds have not been detailed. Therefore, the present study
describes the genetic makeup of Andaman goats through analysis of mitochondrial D-loop sequence
for sequence polymorphism, phylogeographical signaling and population expansion events. The
genetic diversity of the Teressa goat was less compared to the Andaman local goat due to its sole
presence on Teressa Island. Out of 38 well-defined haplotypes of Andaman goats, the majority of
haplotypes belonged to haplogroup A followed by haplogroup B and haplogroup D. The result of
mismatch distribution and neutrality tests indicated no population expansion event of haplogroup A
and B. Finally, based on poor geographical signaling, we hypothesize that Andaman goats have been
imported to these Islands either through multidirectional diffusion or unidirectional diffusion. We
justify our hypothesis of multidirectional diffusion on the basis of observation of the haplotype and
nucleotide diversity of Andaman goats. Simultaneously, the probability of unidirectional diffusion
of goats in these islands from the Indian subcontinent in different spells of domestication events
through maritime routes cannot be ignored.
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Date 2023-12-18T13:36:07Z
2023-12-18T13:36:07Z
2023-03-24
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/81070
 
Language English
 
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Publisher Not Available