Radioecology Laboratory, Institute of Biophysics Siberian Branch of Russian Academy of Sciences, 50-50 Akademgorodok, Krasnoyarsk, 660036, Russia.
Radioecology Laboratory, Institute of Biophysics Siberian Branch of Russian Academy of Sciences, 50-50 Akademgorodok, Krasnoyarsk, 660036, Russia.
J Environ Radioact. 2023 Aug;264:107203. doi: 10.1016/j.jenvrad.2023.107203. Epub 2023 May 13.
Responses of cytogenetic and growth endpoints of the aquatic plant Elodea canadensis were studied using the plants collected from non-contaminated control areas of the Yenisei River and exposed to external γ-radiation for 11-13 days in the laboratory. Elodea canadensis was exposed to 0.5-25 mGy/day γ-radiation dose rates from a Cs source. The total number of aberrant cells and total root length were more sensitive elodea endpoints to γ-radiation than total shoot length and mitotic index of elodea. Radiation sensitivity of elodea can be compared with the sensitivity of such a Reference Plant as Wild Grass (1-10 mGy/day) recommended by the ICRP. Thus, the aquatic plant Elodea canadensis can be used as a radiation bioindicator.
采用从叶尼塞河未受污染对照区采集的水生植物水蕴草，在实验室中用外部 γ 射线辐照 11-13 天，研究了水生植物水蕴草的细胞遗传学和生长终点的反应。水蕴草暴露于 Cs 源产生的 0.5-25 mGy/天 γ 射线剂量率下。与水蕴草的总茎长和有丝分裂指数相比，异常细胞总数和总根长是对 γ 辐射更敏感的水蕴草终点。可以将水蕴草的辐射敏感性与 ICRP 推荐的野生草（1-10 mGy/天）这种参考植物的敏感性进行比较。因此，水生植物水蕴草可用作辐射生物指示剂。
