Hepatic Antioxidant Enzymes SOD and CAT of Nile Tilapia (Oreochromis niloticus) in Response to Pesticide Methomyl and Recovery Pattern

文献类型： 外文期刊

第一作者： Meng, Shun Long

作者： Meng, Shun Long;Chen, Jia Zhang;Xu, Pao;Qu, Jian Hong;Fan, Li Min;Song, Chao;Qiu, Li Ping;Meng, Shun Long;Chen, Jia Zhang;Xu, Pao

作者机构：

关键词： Methomyl;Liver;Tilapia;Antioxidant enzymes;Recovery

期刊名称：BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY （ 影响因子：2.151； 五年影响因子：2.129 ）

ISSN： 0007-4861

年卷期： 2014 年 92 卷 4 期

页码：

收录情况： SCI

摘要： Hepatic antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT) of Nile tilapia in response to pesticide methomyl and recovery pattern were researched by exposing tilapia to sub-lethal methomyl concentrations of 0, 0.2, 2, 20 and 200 mu g/L for 30 days, and then transferred to methomyl-free water for 18 days. Hepatic SOD and CAT were measured at 10 min (day 0), 6, 12, 18, 24 and 30 days after starting the experiment and at 18 days after transferring to methomyl-free water. The results showed hepatic SOD and CAT activities in 2, 20 and 200 mu g/L groups were affected significantly, however, that in 0.2 mu g/L group didn't change significantly compared to control during 30-day exposure period. Thus it would appear the 0.2 mu g/L methomyl might be considered the no observed adverse effect level. Recovery data showed that, for SOD, the effects produced by lower concentration of methomyl 2 mu g/L were reversible but not at concentrations higher than 20 mu g/L, however, for CAT, the effects produced by all the concentrations were reversible.

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