Effects of ocean acidification and polystyrene microplastics on the oysters Crassostrea gigas: An integrated biomarker and metabolomic approach
文献类型： 外文期刊
作者： Du, Yunchao 1 ; Teng, Jia 1 ; Zhao, Jianmin 1 ; Ren, Jingying 1 ; Ma, Hengyuan 6 ; Zhang, Tianyu 1 ; Xia, Bin 5 ; Sun, Shan 4 ; Wang, Qing 1 ;
作者机构： 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res & Dev Ctr Efficient Utilizat Coastal Bioresour, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Muping Coastal Environm Res Stn, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
4.Shandong Marine Resource & Environm Res Inst, Yantai 264006, Peoples R China
5.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
6.Harbin Inst Technol, Sch Marine Sci & Technol, Weihai 264209, Peoples R China
关键词： Ocean acidification; Microplastics; Crassostrea gigas; Metabolomics; Combined effects; Biomarker; Multiple stresses; Climate change
期刊名称：MARINE ENVIRONMENTAL RESEARCH （ 影响因子：3.3； 五年影响因子：3.5 ）
ISSN： 0141-1136
年卷期： 2024 年 196 卷
页码：
收录情况： SCI
摘要： The adverse impacts of microplastics (MPs) or ocean acidification (OA) on mollusks have been widely reported, however, little is known about their combined effects on mollusks. The oysters Crassostrea gigas were exposed to two sizes of polystyrene MPs with 1 x 104 particles/L (small polystyrene MPs (SPS-MPs): 6 mu m, large polystyrene MPs (LPS-MPs): 50-60 mu m) at two pH levels (7.7 and 8.1) for 14 days. The antagonistic effects between MPs and OA on oysters were mainly observed. Single SPS-MPs exposure can induce CAT enzyme activity and LPO level in gills, while LPS-MPs exposure alone can increase PGK and PEPCK gene expression in digestive glands. Ocean acidification can increase clearance rate and inhibit antioxidant enzyme activity, whereas combined exposure of OA and SPS-MPs can affect the metabolomic profile of digestive glands. This study emphasized that the potential toxic effects of MPs under the scene of climate change should be concerned.
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