Maliarchuk B A, Derenko M V, Berman D I, Grzybowski T, Bulakhova N a, Kriukov A P, Leĭrikh A N
Mol Biol (Mosk). 2009 Jan-Feb;43(1):53-61.
Data on variability of nucleotide sequences of mitochondrial DNA (mtDNA) cytochrome b gene of Schrenck newt, Salamandrella schrenckii (Strauch, 1870), from populations of Primorie and Khabarovsk regions have been received. By means of phylogenetic analysis, two clusters of haplotypes--'southern' cluster 1 and 'northern' cluster 2, with divegence level between them estimated as 3%-- were revealed. Results of analysis of mtDNA and cytochrome b amino acid variation allow us to assume that development of a modern area of Schrenck newt occurred from the south on the north of Primorie region. It was found that 'northern'cluster in contrast to the 'southern' one demonstrates all signs of demographic expansion (i.e., unimodal type of pairwise nucleotide differences, results of tests of selective neutrality of mtDNA variation and good correspondence of genetic parameters to expectations following from the models of demographic expansions).
已获得来自滨海边疆区和哈巴罗夫斯克边疆区种群的施氏螈（Salamandrella schrenckii，Strauch，1870）线粒体DNA（mtDNA）细胞色素b基因核苷酸序列变异性的数据。通过系统发育分析，揭示了两个单倍型簇——“南部”簇1和“北部”簇2，它们之间的分歧水平估计为3%。mtDNA和细胞色素b氨基酸变异的分析结果使我们能够假设，施氏螈现代分布区域是从滨海边疆区的南部向北发展而来的。研究发现，与“南部”簇相比，“北部”簇表现出人口扩张的所有迹象（即成对核苷酸差异的单峰类型、mtDNA变异的选择中性测试结果以及遗传参数与人口扩张模型预期的良好对应）。
