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题名: The reproductive responses of earthworms (Eisenia fetida) exposed to nanoscale zero-valent iron (nZVI) in the presence of decabromodiphenyl ether (BDE209)
作者: Liang, Jun1; Xia, Xiaoqian1; Yuan, Ling1; Zhang, Wei1; Lin, Kuangfei1; Zhou, Bingsheng2; Hu, Shuangqing3
关键词: Nanoscale zero-valent iron ; Decabromodiphenyl ether ; Eisenia fetida ; Reproductive toxicity ; ANN gene expression
刊名: ENVIRONMENTAL POLLUTION
发表日期: 2018-06-01
DOI: 10.1016/j.envpol.2017.10.130
卷: 237, 页:784-791
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Reproductive toxicity of nanoscale zero-valent iron (nZVI) along with coexisting decabromodiphenyl ether (BDE209) to earthworm Eisenia fetida (E. fetida) remains unknown. In the present study, the reproductive responses of E. fetida exposed to 100, 500 and 1000 mg kg(-1) of nZVI showed a significant (P < 0.05) decline up to 35.6%, 60.0% and 93.3%, respectively, compared to the controls. Expression levels of annetocin (ANN) gene indicated a remarkable (P < 0.05) down-regulation (59.2%, 58.2% and 95.0%, correspondingly), and it was positively correlated with reproductive rates (R = 0.94). Iron contents in E. fetida were also relevant to reproductive behavior (R = 0.84) and ANN expression (R = 0.75). Additionally, seminal vesicles displayed a progressive degeneration with increasing nZVI levels. The addition of BDE209 to low level of nZVI-polluted group (100 mg kg-i dw) barely caused clear changes on reproduction, histopathology and ANN, while the coexistence resulted in significant impacts in comparison with high level of single nZVI exposure (1000 mg kg(-1) dw). These observations would provide some significant information concerning joint toxicity of the two chemicals in a soil system. (C) 2017 Elsevier Ltd. All rights reserved.
关键词[WOS]: POLYBROMINATED DIPHENYL ETHERS ; NI/FE BIMETALLIC NANOPARTICLES ; CONTAMINATED SOIL ; ZEROVALENT IRON ; GENE-EXPRESSION ; FLAME RETARDANTS ; REMEDIATION ; BIOACCUMULATION ; SYSTEM ; ANNETOCIN
语种: 英语
项目资助者: National Natural Science Foundation of China(21737005 ; Shanghai Pujiang Program(15PJD013) ; 41371467)
WOS记录号: WOS:000431158900080
ISSN号: 0269-7491
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50847
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.East China Univ Sci & Technol, Sch Resource & Environm Engn, State Environm Protect Key Lab Environm Risk Asse, Shanghai 200237, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
3.Shanghai Acad Environm Sci, Shanghai 200233, Peoples R China
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