Defense responses in earthworms (Eisenia fetida) exposed to low-density polyethylene microplastics in soils
文献类型：期刊论文
| 作者 | Chen, Yuling1,3; Liu, Xiaoning1; Leng, Yifei1; Wang, Jun1,2 |
| 刊名 | ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
 |
| 出版日期 | 2020-01-15 |
| 卷号 | 187页码:6 |
| 关键词 | LDPE Eisenia fetida Surface damage Oxidative stress Neurotoxicity Response |
| ISSN号 | 0147-6513 |
| DOI | 10.1016/j.ecoenv.2019.109788 |
| 英文摘要 | The potential threats of microplastics to global health are a new problem. However, little is known about the influence of microplastics on soil organisms. Here, we investigated the effects of low-density polyethylene (LDPE, < 400 mu m) on earthworms (Eisenia fetida) under different concentrations (0.1, 0.25, 0.5, 1.0, 1.5 g/kg dry) with three replicates in artificial soil. Results showed that surface damage of earthworms was observed at the concentration of 1.5 g/kg LDPE after exposure 28 days. The microplastics were ingested in a dose-response manner. Smaller sizes of LDPE microplastics were found in the casts of E. fetida, and approximately 30% of the microplastics egested (size < 100 mu m) were increased compared with initial microplastics in the soil. The catalase activity and malondialdehyde content increased significantly at the concentration of 1.0 g/kg LDPE after exposure 28 days, and acetylcholine esterase was significantly stimulated at concentrations of 1.5 and 1.0 g/kg LDPE on days 21 and 28, respectively. The results of this study demonstrate the potential risk of LDPE microplastics to E. fetida and may provide a reference for the impact of microplastics on terrestrial creatures. |
| 资助项目 | Funding Project of National Key Research and Development Program of China[2018YFD0900604] ; Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (2018) |
| WOS研究方向 | Environmental Sciences & Ecology ; Toxicology |
| 语种 | 英语 |
| WOS记录号 | WOS:000500410800048 |
| 出版者 | ACADEMIC PRESS INC ELSEVIER SCIENCE |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/14468]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Leng, Yifei; Wang, Jun |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Hubei, Peoples R China 2.South China Agr Univ, Coll Marine Sci, Guangzhou 510642, Guangdong, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Yuling,Liu, Xiaoning,Leng, Yifei,et al. Defense responses in earthworms (Eisenia fetida) exposed to low-density polyethylene microplastics in soils[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2020,187:6. |
| APA | Chen, Yuling,Liu, Xiaoning,Leng, Yifei,&Wang, Jun.(2020).Defense responses in earthworms (Eisenia fetida) exposed to low-density polyethylene microplastics in soils.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,187,6. |
| MLA | Chen, Yuling,et al."Defense responses in earthworms (Eisenia fetida) exposed to low-density polyethylene microplastics in soils".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 187(2020):6. |
入库方式： OAI收割
来源：武汉植物园
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