范登堡棘球蚴(Scincella vandenburghi)的遗传变异在对马岛和韩国的线粒体DNA揭示的Scincidae)

IF 0.7 4区生物学 Q4 ZOOLOGY

Current Herpetology Pub Date : 2021-03-02 DOI:10.5358/hsj.40.83

Yuki Koizumi, Hong-Shik Oh, T. Hikida

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引用次数: 0

摘要

摘要/ Abstract摘要:Scincella vandenburghi是一种小型溶酶体石龙子，分布于对马岛和朝鲜半岛及其邻近岛屿。利用线粒体DNA、细胞色素b和细胞色素c氧化酶亚基I基因的部分序列分析了对马岛、济州岛和朝鲜半岛种群的种内遗传变异。共检测到20个单倍型。来自朝鲜半岛、对马岛和济州岛的范登堡氏球菌居群遗传差异不大。该物种遗传多样性较低，种群统计表明其分布范围近期有所扩大。考虑到对马岛早在43万年前就与朝鲜半岛分离，而且在末次盛冰期，这两个地区之间也存在狭窄的海道，因此S. vandenburghi的低遗传分化表明该物种通过海外扩散将其活动范围从朝鲜半岛扩展到对马岛。

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Genetic Variation of Scincella vandenburghi (Squamata; Scincidae) in Tsushima Island and Korea Revealed by Mitochondrial DNA

Abstract: Scincella vandenburghi is a small lygosomine skink, distributed in Tsushima Island and the Korean Peninsula as well as their adjacent islands. We analyzed the within-species genetic variation among the populations of Tsushima Island, Cheju Island, and the Korean Peninsula using partial sequences of mitochondrial DNA, cytochrome b and cytochrome c oxidase subunit I genes. We detected 20 haplotypes in total. Little genetic divergence was observed among the populations of S. vandenburghi from the Korean Peninsula, Tsushima Island, and Cheju Island. Genetic diversity was low in this species and demographic statistics suggested the recent expansion of distribution. Considering that Tsushima Island has been separated from the Korean Peninsula since 0.43 million years ago and that a narrow seaway had persisted between these two areas even during the Last Glacial Maximum, the low genetic divergence in S. vandenburghi suggests that this species expanded its range from the Korean Peninsula to Tsushima Island by oversea dispersal.

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来源期刊

Current Herpetology Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.20

自引率

14.30%

发文量

期刊介绍： Current Herpetology publishes original research articles on amphibians and reptiles. It is the official journal of the Herpetological Society of Japan and is a continuation of Acta Herpetologica Japonica (1964–1971) and Japanese Journal of Herpetology (1972-1999).