Mitochondrial DNA variation analysis suggests extreme low genetic diversity in Guizhou snub-nosed monkeys (Rhinopithecus brelichi)

Mitochondrial DNA variation analysis suggests extreme low genetic diversity in Guizhou snub-nosed monkeys (Rhinopithecus brelichi)
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线粒体DNA变异分析表明贵州金丝猴(Rhinopithecus brelichi)遗传多样性极低

DOI:
10.1007/s11434-011-4522-2
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发表时间:
2011-08
影响因子:
--
通讯作者:
Li Ming
Li Ming
中科院分区:
--
文献类型:
--
作者:
Pan HuiJuan;Shi FangLei;Chang ZongFei;Xiang ZuoFu;Sun TingTing;Liu ZhiJin;Li Ming

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贵州金丝猴(Rhinopithecus brelichi)是我国特有的濒危灵长类动物,主要分布在贵州省梵净山国家级自然保护区,面积275平方公里。最近,栖息地的丧失和破碎化导致了种群的孤立。为了评估该物种及其种群结构的遗传多样性,我们对 128 个个体线粒体 DNA 控制区的高变 I 片段的 400 bp 进行了测序。从这些个体中仅鉴定出一种单倍型。与其他灵长类动物相比,R.布雷利奇可以被视为遗传多样性非常低的物种,这进一步增加了保护问题。
Guizhou snub-nosed monkey (Rhinopithecus brelichi) is a unique, endangered primate in China, mainly distributed in Fanjing Mountain National Natural Reserve, Guizhou Province, in an area of 275 km2. Recently, habitat loss and fragmentation have caused population isolation. To assess genetic diversity within this species and its population structure, we sequenced 400 bp of the hypervariable I segment from the mitochondrial DNA control region for 128 individuals. Only one haplotype was identified from these individuals. Compared with other primate species,R. brelichican be regarded as a species with very low genetic diversity, which further adds to the conservation concern.
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