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首页> 外文期刊>Environmental toxicology and chemistry >DNA DAMAGE AND RADIOCESIUM IN CHANNEL CATFISH FROM CHERNOBYL
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DNA DAMAGE AND RADIOCESIUM IN CHANNEL CATFISH FROM CHERNOBYL

机译：切尔诺贝利香菜中DNA的损伤和放射性

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摘要

The explosion of the Chernobyl Nuclear Power Plant resulted in some of the most radioactively contaminated habitats on earth. Despite evacuation of all human inhabitants from the most contaminated areas, animals and plants continue to thrive in these areas. This study examines the levels of contamination and genetic damage associated with radiocesium in catfish (Ictalurus punctatus) from the cooling pond and a control site. In general, catfish from the cooling pond exhibit greater genetic damage, and the amount of damage is related to the concentration of radiocesium in individual fish. Genetic damage is primarily in the form of DNA strand breaks, with few micronuclei being observed in contaminated fish. The possible roles that acclimation and adaption play in the response to high levels of radiation exposure are discussed.
机译：切尔诺贝利核电站的爆炸导致了地球上一些放射性污染最严重的栖息地。尽管所有人类居民都从最受污染的地区撤离，动植物仍在这些地区蓬勃发展。这项研究检查了来自冷却池和控制点的cat鱼（Ictalurus punctatus）中放射性铯的污染和遗传损害水平。通常，来自冷却池的cat鱼表现出更大的遗传损害，损害的程度与单个鱼中放射性铯的浓度有关。遗传损害主要以DNA链断裂的形式出现，在受污染的鱼类中几乎没有观察到微核。讨论了适应和适应在对高水平辐射暴露的响应中可能发挥的作用。

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