Combined toxicity of polyvinyl chloride microplastics and copper to marine jacopever ( Sebastes schlegelii )
文献类型： 外文期刊
作者： Li, Zike 1 ; Zhao, Meijing 2 ; Feng, Zhihua 1 ; Zhu, Lin 2 ; Sui, Qi 2 ; Sun, Xuemei 2 ; Xia, Bin 2 ;
作者机构： 1.Jiangsu Ocean Univ, Sch Marine Sci & Fisheries, Lianyungang 222005, Peoples R China
2.Yellow Sea Fisheries Res Inst, Chinese Acad Fishery Sci, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Peoples R China
3.Qingdao Marine Sci & Technol Ctr, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
关键词： Microplastic pollution; Heavy metal; Combined exposure; Marine fish; Hepatotoxicity
期刊名称：MARINE ENVIRONMENTAL RESEARCH （ 影响因子：3.0； 五年影响因子：3.2 ）
ISSN： 0141-1136
年卷期： 2024 年 199 卷
页码：
收录情况： SCI
摘要： Marine organisms commonly encounter co-stress resulting from the coexistence of microplastics (MPs) and heavy metals pollution in marine environments. Nevertheless, the combined effects and toxicity mechanisms of MPs and heavy metals on marine organisms remain unclear. This study integrated growth, physiological, morphological, and biochemical markers to assess the individual and combined toxicity of polyvinyl chloride MPs (PVC MPs, 1 x 104 particles/L) and copper (Cu, 200 mu g/L) on marine jacopever (Sebastes schlegelii). The results revealed that co-exposure to MPs and Cu had a more detrimental impact on jacopever compared to the singleexposure groups, as evidenced by the enhanced growth inhibition, respiratory stress, and hepatotoxicity. This phenomenon may be attributed to PVC MPs accelerating the accumulation of Cu in jacopever liver. Therefore, peroxidation damage occurred in the co-exposed liver and may result in liver dysfunction. These findings contribute valuable insights into the risks associated with the coexistence of MPs and heavy metal pollution in marine ecosystems.
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