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氯酸钾污染对蚕豆根尖细胞的遗传毒性效应

Keywords: 氯酸盐,蚕豆根尖微核技术,遗传毒理,污染生态

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Abstract:

利用蚕豆根尖微核技术研究了氯酸钾细胞遗传毒性和污染效应。结果表明,不同浓度的氯酸钾均会对蚕豆根尖细胞分裂产生遗传毒性,在一定浓度处理范围内,随着氯酸钾处理浓度增大,其强氧化性能诱导蚕豆根尖细胞有丝分裂指数、微核率、染色体畸变率和污染指数的增加;但浓度过高时,反而会抑制蚕豆根尖细胞有丝分裂和微核的数量。氯酸钾具有明显的环境污染效应,利用蚕豆根尖微核技术对其污染效应进行监测和评价既简便又比较可靠。

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