期刊
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
卷 105, 期 5, 页码 715-720出版社
SPRINGER
DOI: 10.1007/s00128-020-03003-8
关键词
Genotoxicity; Bispyribac-sodium; Micronucleus test; Comet assay
Genotoxic potential of herbicide bispyribac-sodium was evaluated in fishClarias batrachususing micronucleus (MN) test and comet assay. Fish were exposed to three environmentally relevant test concentrations of the herbicide for 20, 25 and 30 days. Significant effects (p < 0.05) for both concentration and duration of exposure were observed in herbicide exposed fish. Similar trend of DNA damage was observed through MN test and comet assay. Maximum DNA damage was observed in fish exposed to highest concentration of herbicide at all duration. Maximum damage was observed on day 25 at all concentrations followed by a decline. This study establishedC. batrachusas an ecotoxicological model for bispyribac-sodium induced genotoxicity testing. It further confirmed that both MN test and comet assay are useful tool for assessment of genotoxicity induced by water pollutants.
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