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KMID : 0613820110210091329
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Journal of Life Science
2011 Volume.21 No. 9 p.1329 ~ p.1335
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mtDNA Diversity and Phylogenetic Analysis of Korean Native Goats
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Kim Jae-Hwan
Cho Chang-Yeon
Cho Young-Moo
Yeon Seung-Hum
Yang Boh-Suk
Choi Seong-Bok
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Abstract
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Korean native goats, which are characterized by black coat color, have existed on the Korean peninsula for a long time. Until now, there has been no comprehensive investigation concerning their genetic diversity, phylogenetic analysis or origin. In this study, we investigated the genetic diversity and verified phylogenetic status of the Korean native goat using the 453-bp fragment of the hypervariable fragment I (HVI) of mitochondrial DNA (mtDNA) D-loop region from 60 individuals among 5 populations. The Korean native goat showed less haplotype diversity when compared with goats from other countries. In addition, 6 haplotypes that had not been previously reported were verified in this study. In phylogenetic analyses with other country’s goats, 10 haplotypes from Korean native goats were classified into mtDNA lineage A. Moreover, in a phylogenetic tree for goats which contained mtDNA lineage A, 8 of 10 haplotypes could be included in a subgroup with goats from Vietnam and an area of China. However, none of the remaining haplotypes belonged to a major group of Korean native goats and were located on different independent positions. These results suggest that almost Korean native goats aligned more closely to China and Vietnam breeds in mtDNA lineage A and there was no gene flow from other mtDNA lineages. Our results will contribute to conservation strategies and genetic breeding of Korean native goats.
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KEYWORD
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Korean native goats, phylogenetic analysis, mtDNA, haplotype, lineage
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