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Intraspecific Structure of Rhododendron camtschaticum Pall. on the Kamchatka Peninsula: Genetic Aspect
Russian Journal of Genetics ( IF 0.6 ) Pub Date : 2020-07-06 , DOI: 10.1134/s1022795420060083
M. A. Polezhaeva , M. V. Modorov , A. N. Polezhaev , E. A. Marchuk

Abstract

The analysis of variability of three intergenic spacers of chloroplast DNA in 47 samples of Rhododendron camtschaticum on the Kamchatka Peninsula and the Commander Islands was performed. The analysis of molecular variation (AMOVA) revealed that about 99% of genetic diversity occurs in interpopulation differences (FST = 0.99, p < 0.001). Two genetic lines have been identified, probably due to the northern and southern migration routes. Samples from central and northern Kamchatka form a separate cluster and demonstrate high homogeneity, which supports the taxonomic independence of the subspecies R. camtschaticum ssp. glandulosum. In samples from the southern part of the peninsula, polymorphism was revealed; together with samples from the Commander Islands, they correspond to R. camtschaticum ssp. camtschaticum.


中文翻译:

杜鹃花种内结构。在堪察加半岛上:遗传学方面

摘要

对堪察加半岛和指挥官群岛的47个杜鹃花样品中的三个叶绿体DNA基因间隔子进行了变异性分析。分子变异分析(AMOVA)表明,大约99%的遗传多样性发生在种群间差异中(F ST = 0.99,p <0.001)。已经确定了两个遗传系,可能是由于北部和南部的迁徙路线。来自堪察加半岛中部和北部的样品形成一个单独的簇,并显示出高度的同质性,这支持了R. camtschaticum ssp亚种的分类学独立性。腺体。在半岛南部的样本中,发现了多态性。与Commander Islands的样本一起,它们对应于R. camtschaticum ssp。桔梗
更新日期:2020-07-06
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