Chronic radiation exposure as an ecological factor: Hypermethylation and genetic differentiation in irradiated Scots pine populations
2018
Volkova, P.Yu | Geras'kin, S.A. | Horemans, N. | Makarenko, E.S. | Saenen, E. | Duarte, G.T. | Nauts, R. | Bondarenko, V.S. | Jacobs, G. | Voorspoels, S. | Kudin, M.
Genetic and epigenetic changes were investigated in chronically irradiated Scots pine (Pinus sylvestris L.) populations from territories that were heavily contaminated by radionuclides as result of the Chernobyl Nuclear Power Plant accident. In comparison to the reference site, the genetic diversity revealed by electrophoretic mobility of AFLPs was found to be significantly higher at the radioactively contaminated areas. In addition, the genome of pine trees was significantly hypermethylated at 4 of the 7 affected sites.
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