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首页> 外文期刊>Biochemical Genetics >Two Sympatric Phylogroups of the Chinese Water Deer (Hydropotes inermis) Identified by Mitochondrial DNA Control Region and Cytochrome b Gene Analyses
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Two Sympatric Phylogroups of the Chinese Water Deer (Hydropotes inermis) Identified by Mitochondrial DNA Control Region and Cytochrome b Gene Analyses

机译:通过线粒体DNA控制区和细胞色素b基因分析鉴定了中国水鹿(无水链球菌)的两个同养菌群

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摘要

Mitochondrial DNA (mtDNA) control region (927 bp) and cytochrome b gene (1,140 bp) sequences of the Chinese water deer {Hydropotes inermis) from China and Korea were obtained to examine the taxonomic status of two subspecies, H. i. inermis from China and H. i. argyropus from Korea. Two sympatric mtDNA clades (a major clade from China and Korea and a minor clade from Korea) with an average genetic distance of 2.1% in the control region and 1.3% in the cytochrome b gene were detected. These findings are not consistent with the current classification by pelage color. We propose a reconsideration of the validity of the subspecies designation by the statistical comparison of morphological characters including body color. The major common mtDNA phylogroup in the two allopatric subspecies could be explained by the contiguous distribution of the Chinese water deer from east China to Korea until recent years. The restriction in the range and number of the Chinese subspecies after the last glacier might have caused the disappearance of the minor phylogroup in China. The taxonomic status of the two groups in Korea should be clarified using nuclear DNA marker analyses as well as morphological characters including pelage color.
机译:获得了来自中国和韩国的中国水鹿(Hydropotes inermis)的线粒体DNA(mtDNA)控制区(927 bp)和细胞色素b基因(1,140 bp)序列,以检查两个亚种H.i.的分类状态。来自中国和H.来自韩国的argyropus。检测到两个同系mtDNA进化枝(一个来自中国和韩国的主要进化枝,一个来自韩国的次要进化枝),在控制区域的平均遗传距离为2.1%,在细胞色素b基因中的平均遗传距离为1.3%。这些发现与当前的肤色颜色分类不一致。通过对包括体色在内的形态特征进行统计比较,我们建议重新考虑亚种命名的有效性。这两个异种亚种中主要的常见mtDNA系统群可以用中国水鹿从华东到韩国的连续分布来解释,直到最近几年。在最后一次冰川之后,中国亚种的范围和数量受到限制,这可能导致中国次要植物群的消失。应当使用核DNA标记分析以及包括皮颜色的形态特征来明确两组在韩国的分类学地位。

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