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标题：Micronucleus test using erythrocytes of Carassius species and Zacco platypus for monitoring genotoxic pollutants in river water
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作者：Akinori TAKAI ; Takashi ISHIKAWA ; Makoto HAYASHI 等
期刊名称：生活衛生
印刷版ISSN：0582-4176
电子版ISSN：1883-6631
出版年度：2003
卷号：47
期号：1
页码：17-23
DOI：10.11468/seikatsueisei1957.47.17
出版社：Osaka Urban Living and Health Association
摘要：We examined the frequencies of micronucleated peripheral erythrocytes in Carassius species and Zacco platypus , captured 4 times from 1996 to 1998 in upstream, midstream, and downstream of the Tomio River, which runs through the residential area of Nara, Japan. In 12 groups categorized by date and locality, the micronucleated erythrocyte frequencies in Carassius species of some groups were significantly higher than those in goldfish and C. gibelio langsdorfii bred in clean water under laboratory condition. These results suggest that the quantitative and/or qualitative variations of genotoxic contaminants occur in the river water. There was no significant difference of the frequencies between Z. platypus and Carassius species as well as between diploid and triploid Carassius species. The present study demonstrated that the micronucleus assay using peripheral erythrocytes of fish captured from rivers can be a useful tool to monitor the genotoxic contaminants in the water environment.
关键词：micronucleus test;erythrocyte;polluted river water;cyprinid fish