Effect of microplastics on aquatic biota: A hormetic perspective
Sun, Tao1,2,5; Zhan, Junfei1,2,5; Li, Fei1,2,4; Ji, Chenglong1,2,3,4; Wu, Huifeng1,2,3,4
KeywordPlastic pollution Aquatic environment Dose response Risk assessment Environmentally relevant concentrations
Corresponding AuthorWu, Huifeng(hfwu@yic.ac.cn)
AbstractAs emerging pollutants, microplastics (MPs) have been found globally in various freshwater and marine matrices. This study recompiled 270 endpoints of 3765 individuals from 43 publications, reporting the onset of enhanced biological performance and reduced oxidative stress biomarkers induced by MPs in aquatic organisms at environmentally relevant concentrations (<= 1 mg/L, median = 0.1 mg/L). The stimulatory responses of consumption, growth, reproduction and survival ranged from 131% to 144% of the control, with a combined response of 136%. The overall inhibitory response of 9 oxidative stress biomarkers was 71% of the control, and commonly below 75%. The random-effects meta-regression indicated that the extents of MPs-induced responses were independent of habitat, MP composition, morphology, particle size and exposure duration. The results implied that the exposure to MPs at low and high concentrations might induce opposite/non-monotonic responses in aquatic biota. Correspondingly, the hormetic dose response relationships were found at various endpoints, such as reproduction, genotoxicity, immunotoxicity, neurotoxicity and behavioral alteration. Hormesis offers a novel perspective for understanding the dose response mode of aquatic organisms exposed to low and high concentrations of MPs, highlighting the necessity to incorporate the hormetic dose response model into the ecological/ environmental risk assessment of MPs.
Funding OrganizationNational Natural Science Foundation of China ; Young Taishan Scholars Program of Shandong Province
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000685347400013
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Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWu, Huifeng
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
2.YICCAS, Shandong Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Tao,Zhan, Junfei,Li, Fei,et al. Effect of microplastics on aquatic biota: A hormetic perspective[J]. ENVIRONMENTAL POLLUTION,2021,285:10.
APA Sun, Tao,Zhan, Junfei,Li, Fei,Ji, Chenglong,&Wu, Huifeng.(2021).Effect of microplastics on aquatic biota: A hormetic perspective.ENVIRONMENTAL POLLUTION,285,10.
MLA Sun, Tao,et al."Effect of microplastics on aquatic biota: A hormetic perspective".ENVIRONMENTAL POLLUTION 285(2021):10.
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