Haplotypic diversity of the mtCytb gene of the common vole (Microtus arvalis sensu lato) in Belarus

E. I. Mashkov, H. Gajduchenko, Y. Borisov
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Abstract

The analysis of the recent phylogeographic studies of Microtus arvalis is carried out to establish the post-glacial history of colonization of the common vole in the Central region of Europe. The authors have presented the original data on the genetic variability of the mtCytb gene of the common vole (Microtus arvalis s. l.) from 18 localities studied on the territory of Belarus. The genetic characteristics of 53 individuals of the common vole belonging to one eastern line of mitochondrial DNA were studied. It is shown that the population of the species in Belarus is characterized by a high level of genetic diversity comparable to that of other haplogroups of the eastern mtDNA line. The level of variability of mitochondrial fragments of the mtCytb gene of the common vole (Microtus arvalis) from Belarus turned outtobeq uite high (Hd ± SDHd = 0.97 ± 0.02), which is manifested in a large number of the identified mtDNA haplotypes (n = 41). The distribution of the identified haplotypes of Microtus arvalis across various landscape-geographical areas correlates well with the location of the most remote haplotypes on the parsimony network. The assumption is given about the re-settlement (about 9000 thousand years ago) and further settlement of Microtus arvalis on the modern territory of Belarus in two directions: from southeast to west and to northwest, as well as from north to southeast.
白俄罗斯普通田鼠mtCytb基因的单倍型多样性
本文通过对欧洲鼠的系统地理学研究进行分析,以确定欧洲中部地区普通田鼠的冰期后殖民化历史。作者介绍了来自白俄罗斯境内18个地区的普通田鼠(Microtus arvalis s.l .) mtCytb基因遗传变异的原始数据。对53只普通田鼠线粒体DNA东线的遗传特征进行了研究。结果表明,白俄罗斯的种群具有与东部mtDNA系的其他单倍群相当的高水平遗传多样性。来自白俄罗斯的普通田鼠(Microtus arvalis) mtCytb基因线粒体片段的变异水平相当高(Hd±sddd = 0.97±0.02),这表现在大量鉴定的mtDNA单倍型中(n = 41)。在不同的景观地理区域,已鉴定的小仓鼠单倍型的分布与最偏远的单倍型在简约网络上的位置有很好的相关性。这个假设是关于Microtus arvalis在白俄罗斯现代领土上的重新定居(大约90万年前)和进一步定居的两个方向:从东南到西和西北,以及从北到东南。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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