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作为一种生态因素的慢性辐射暴露:辐射后苏格兰松种群中的高甲基化和遗传分化

Chronic radiation exposure as an ecological factor: Hypermethylation and genetic differentiation in irradiated Scots pine populations.

作者信息

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

机构信息

Institute of Radiology and Agroecology, 249030, Obninsk, Russian Federation.

Institute of Radiology and Agroecology, 249030, Obninsk, Russian Federation.

出版信息

Environ Pollut. 2018 Jan;232:105-112. doi: 10.1016/j.envpol.2017.08.123. Epub 2017 Sep 19.

Abstract

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.

摘要

对来自因切尔诺贝利核电站事故而受到放射性核素严重污染地区的长期受辐照欧洲赤松(Pinus sylvestris L.)种群的遗传和表观遗传变化进行了研究。与参考地点相比,在放射性污染地区,通过扩增片段长度多态性(AFLP)电泳迁移率揭示的遗传多样性显著更高。此外,松树基因组在7个受影响位点中的4个位点处显著超甲基化。

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