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HIGH LEVELS OF GENETIC CHANGE IN RODENTS OF CHERNOBYL

机译:切尔诺贝利啮齿动物的高水平遗传变化

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BASE-PAIR substitution rates for the mitochondrial cytochrome b gene of free-living, native populations of voles collected next to reactor 4 at Chernobyl, Ukraine, were estimated by two independent methods to be in excess of 10(-4) nucleotides per site per generation. These estimates are hundreds of times greater than those typically found in mitochondria of vertebrates, suggesting that the environment resulting from this nuclear power plant disaster is having a measurable genetic impact on the organisms of that region. Despite these DNA changes, vole populations thrive and reproduce in the radioactive regions around the Chernobyl reactor. [References: 24]
机译:通过两种独立的方法估计,乌克兰的切尔诺贝利反应堆4旁收集的自由生活的田鼠原生线粒体细胞色素b基因的线粒体细胞色素b基因的BASE-PAIR替代率超过每个位点每个位点10(-4)个核苷酸代。这些估计值比通常在脊椎动物线粒体中发现的估计值高数百倍,这表明这场核电站灾难造成的环境正在对该地区的生物产生可测量的遗传影响。尽管有这些DNA的变化,田鼠种群仍在切尔诺贝利反应堆周围的放射性区域壮成长并繁殖。 [参考:24]

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