Abstract
Based on DNA markers (Inter simple sequence repeats (ISSR)) the state of the gene pools of 10 populations (438 individuals) of specially protected relict plant species Androsace kozo-poljanskii Ovsz. seu Androsace villosa subsp. koso-poljanskii Fed. in the Southern Central Russian Upland is studied. The data demonstrate a low level of genetic heterogeneity of the populations (I sh = 0.217 ± 0.011; He = 0.131 ± 0.007), as well as a low degree of the genetic fragmentation Фst = 0.136, G st= 0.091), despite the strong geographical isolation. An analysis of multilocus genotypes (by Chao1-bc and the 1st order jackknife methods) revealed the group with potentially high and low numbers of genetic combinations. There is a low correlation between the logarithms of the gene flow level and the geographic distances between populations (r =–0.276 ± 0.141), indicating the impairment of the isolation model by distance and strengthening of the role of stabilizing selection. We propose that the species studied in the past settled mainly along the river valleys. The effective population size (Ne), calculated based on the subdivision index and regression equations, is in the range of 4.9–20.4 individuals.
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Original Russian Text © E.A. Snegin, E.A. Snegina, T.A. Novomlinskaya, 2016, published in Ecologicheskaya Genetika, 2016, Vol. 14, No. 1, pp. 3–12.
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Snegin, E.A., Snegina, E.A. & Novomlinskaya, T.A. The genetic structure of populations of the specially protected Androsace kozo-poljanskii Ovsz. species under the conditions of the Southern Central Russian upland based on DNA markers. Russ J Genet Appl Res 7, 617–625 (2017). https://doi.org/10.1134/S2079059717060120
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DOI: https://doi.org/10.1134/S2079059717060120