Phylogenetic relationships of mitochondrial DNA cytochrome b gene in East Asian ducks
Phylogenetic relationships of mitochondrial DNA cytochrome b gene in East Asian ducks
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DOI：
10.2141/jpsa.44.141
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发表时间：
2007-04-01
影响因子：
1.5
通讯作者：
Tanabe, Yuichi
中科院分区：
文献类型：
--
作者：
Hitosugi, Sadae;Tsuda, Kaoru;Tanabe, Yuichi
鸭（Anas platyrhynchos arctica）是从绿头鸭（Anas platyrhynchos）驯化而来的。虽然日本和欧洲国家培育的鸭被认为分别来自中国和东南亚国家的鸭，但这些鸭的分子遗传学尚未研究。本文通过对18个品种鸭线粒体DNA细胞色素B基因核苷酸序列的分析，揭示了该基因的系统发育关系。在这一系统发育关系中，日本和中国鸭被发现属于同一分支，不同于包含欧洲和东南亚鸭。这一发现证实了迄今为止所认为的事实，即中国和东南亚国家的家鸭已分别分布到日本和欧洲国家。此外，该系统发育树揭示了东南亚鸭与东北亚鸭的遗传组成存在明显差异。
The ducks (Anas platyrhynchos domestica) were domesticated from Mallard (Anas platyrhynchos). While the ducks bred in Japan and European countries are supposed to originate from the ducks in China and Southeast Asian countries, respectively, the molecular phylogeny of these ducks has not been studied. We herein showed the phylogenetic relationship from the nucleotide sequences within the mitochondrial DNA cytochrome b gene of 18 breed ducks. In this phylogenetic relationship, Japanese and Chinese ducks were found to belong to the same clade distinct from the clade containing European and Southeast Asian ducks. This finding demonstrates the heretofore supposed fact that domesticated ducks in China and Southeast Asian countries have been distributed to Japan and European countries, respectively. In addition, this phylogenetic tree revealed that the genetic constitution of Southeast Asian ducks is distinctly different from that of Northeast Asian ducks.