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Antioxidant Responses and Bioaccumulation in Green-lipped Mussels (Perna Viridis) Under Acute Tributyltin Chloride Exposure

文献类型： 外文期刊

作者： Chen, Hai-Gang 1 ; Jia, Xiao-Ping 1 ; Cai, Wen-Gui 1 ; Lin, Qin 1 ; Ma, Sheng-Wei 1 ;

作者机构： 1.Chinese Acad Fishery Sci, S China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China

2.Shanghai Ocean Univ, Coll Marine Sci, Shanghai 201306, Peoples R China

关键词： Antioxidant response;Bioaccumulation;Tributyltin chloride (TBTCl);Marine mussels (Perna viridis)

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： 2011 年 87 卷 5 期

页码：

收录情况： SCI

摘要： Green-lipped mussels (Perna viridis) were exposed to waterborne tributyltin chloride (TBTCl) at different concentrations (0.2, 0.4 and 0.8 mu g L-1) for up to 72 h. Accumulated TBTCl in Perna viridis correlated linearly with the exposure concentrations of 0.2 mu g L-1 (R-2 = 0.772), 0.4 mu g L-1 (R-2 = 0.952), and 0.8 mu g L-1 (R-2 = 0.909). The results of superoxide dismutase (SOD), glutathione peroxidase (GPx) and malondialdehyde (MDA) all decreased in gill tissues after 24 h of exposure, but the hepatic SOD and the hepatic GPx showed either little or no effect on exposure of TBTCl solutions. Analysis using the Spearman rank correlation coefficient showed the hepatic GPx activity appeared to have a significant negative correlativity (R-s = -0.42) with the exposed TBTCl concentrations, and the hepatic MDA was significantly negatively correlated (R-s = -0.33) with the tissue TBTCl concentrations. Conversely, a significant positive correlation (R-s = 0.60) was shown between the gill MDA contents and exposure time. This study illustrates oxyradical scavenger GPx best correlated with stress level of pollutants among the various antioxidant parameters.

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