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Extractable additives in microplastics: A hidden threat to soil fauna*
Ding, Jing1; Liu, Chenxu1; Chen, Qifang1; Zhang, Zhaoyun1; Han, Jinglong1; Liang, Aiping1; Zhu, Dong3; Wang, Hongtao4; Lv, Min2; Chen, Lingxin2
KeywordMPs Leachate Gut microbiota Ecotoxicity Non-targeted screening
Corresponding AuthorLv, Min(mlv@yic.ac.cn)
AbstractMicroplastics (MPs) have become an emerging threat for organisms. However, the toxicity mechanisms on biota, especially soil biota remain largely unclear. This study distinguished the effects of five types of MPs and their extractable additives on a typical soil oligochaete Enchytraeus crypticus using a traditional ecotoxicological approach combined with gut microbiota analysis. A variety of inorganic and organic compounds were screened in extractable solutions. Both MPs and their extractable additives decreased the growth and survival rates of the worms and shifted the gut microbiota, and the effects were type-specific. The differences between the effects of MPs and their extractable additives on traditional ecotoxicological parameters were insignificant, suggesting that extractable additives were the main toxicity pathways on soil fauna. The type-specific effects of MPs were attributed to the varied chemical compositions of extractable additives, and the compounds responsible for the shift of gut microbiota were further identified. The distinguishable effects on gut microbiota between MPs and their extractable additives together with the significant regressions between gut microbiota and traditional ecotoxicological parameters confirmed that gut microbiota could be a more sensitive indicator of organism's health conditions. Combined, the study provided an important insight into the toxicity mechanisms of MPs on soil fauna and extractable additives of MPs may be a hidden threat.
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Open Fund of Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions (Henan University), Ministry of Education
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000758388100008
Citation statistics
Document Type期刊论文
Corresponding AuthorLv, Min
Affiliation1.Yantai Univ, Sch Environm & Mat Engn, 30 Qingquan Rd, Yantai 264005, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, 17 Chunhui Rd, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
4.Henan Univ, Key Lab Geospatial Technol Middle & Lower Yellow, Minist Educ, Kaifeng 475004, Peoples R China
Recommended Citation
GB/T 7714
Ding, Jing,Liu, Chenxu,Chen, Qifang,et al. Extractable additives in microplastics: A hidden threat to soil fauna*[J]. ENVIRONMENTAL POLLUTION,2022,294:8.
APA Ding, Jing.,Liu, Chenxu.,Chen, Qifang.,Zhang, Zhaoyun.,Han, Jinglong.,...&Chen, Lingxin.(2022).Extractable additives in microplastics: A hidden threat to soil fauna*.ENVIRONMENTAL POLLUTION,294,8.
MLA Ding, Jing,et al."Extractable additives in microplastics: A hidden threat to soil fauna*".ENVIRONMENTAL POLLUTION 294(2022):8.
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