Abstract
The structure of genetic variation of the common juniper (Juniperus communis L.), a widespread wind-pollinated holarctic shrub of Cupressaceae was surveyed. We used seven microsatellite markers, including three new ones, to genotype samples from 23 Eurasian populations and one from North America (Alaska). The geographical patterns are interpreted jointly with our previously available chloroplast DNA data. High genetic diversity was revealed with the highest values in the same northern populations (Sweden, Estonia, Mezen, Polar Urals, Yamal, and Kolyma, as well as in the Alps) as previously identified by cpDNA analysis. Nuclear markers exhibited a lower level of interpopulation differentiation (FST = 9.8%) than chloroplast markers (FST = 76%). Bayesian cluster analysis showed that the optimal number of genetic groups (K) was two. All 24 populations of J. communis were divided into an eastern group (the Northeast and Far East of Russia, Alaska, and the Himalayas) and a western group (Europe, the Urals, and Siberia). In the Alpine and Mt. Shoria populations, genotypes from different genetic groups are combined.
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ACKNOWLEDGMENTS
We thank M.A. Gurskaya, A.A. Galimova, E.A. Marchuk, M.A. Polezhaeva, and D.R. Yunusova for help in collecting material.
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This work was carried out within the framework of a state order to the Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, no. 122021000090-5.
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Hantemirova, E.V., Bessonova, V.A. Genetic Diversity of Juniperus communis L. in Eurasia and Alaska Inferred from Nuclear Microsatellite Markers. Russ J Genet 59, 271–280 (2023). https://doi.org/10.1134/S1022795423030055
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DOI: https://doi.org/10.1134/S1022795423030055