Ecotoxicological responses of the earthworm Eisenia fetida exposed to soil contaminated with HHCB

doi:10.1016/j.chemosphere.2011.01.046

	Ecotoxicological responses of the earthworm Eisenia fetida exposed to soil contaminated with HHCB
	Liu, Shuo 2; Zhou, Qixing 1,2; Wang, Yingying 2
刊名	CHEMOSPHERE
	2011-05-01
卷号	83 期号:8 页码:1080-1086
关键词	Polycyclic Musk Earthworm (Eisenia Fetida) Antioxidant Enzyme Lipid Peroxidation Ecotoxicology
ISSN号	0045-6535
DOI	10.1016/j.chemosphere.2011.01.046
英文摘要	Although polycyclic musks have been shown to cause lethal and sub-lethal effects on organisms, their biochemical toxicity to earthworms is not well understood. In the current study, we investigated the responses of antioxidant systems and lipid peroxidation after exposing Eisenia fetida to soil contaminated with 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta-gamma-2-benzopyran (HHCB). Significant increase in lipid peroxidation level was observed on day 14 at two high concentrations, 50 and 100 mg kg(-1). Among antioxidant enzymes, the primary response to chronic HHCB exposure can be attributed to superoxide dismutase (SOD) and catalase (CAT). Of the two enzymes, SOD exhibited more sensitive response to HHCB stress. In addition, these two enzymes could have a combined effect on fighting damage by reactive oxygen species, evidenced by a marked relationship between lipid peroxidation and enzyme activity. On the other hand, dose-dependent inhibition of peroxidase (POD) activity has been observed throughout the test. The results suggest that the variations in investigated parameters of E. fetida could be used as responsive biomarkers for oxidative stress caused by HHCB in a soil environment. (C) 2011 Elsevier Ltd. All rights reserved.
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000291120400006
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/121719]
专题	中国科学院沈阳应用生态研究所
通讯作者	Zhou, Qixing
作者单位	1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China 2.Nankai Univ, Coll Environm Sci & Engn, Minist Educ, Key Lab Pollut Proc & Environm Criteria, Tianjin 300071, Peoples R China
推荐引用方式 GB/T 7714	Liu, Shuo,Zhou, Qixing,Wang, Yingying. Ecotoxicological responses of the earthworm Eisenia fetida exposed to soil contaminated with HHCB[J]. CHEMOSPHERE,2011,83(8):1080-1086.
APA	Liu, Shuo,Zhou, Qixing,&Wang, Yingying.(2011).Ecotoxicological responses of the earthworm Eisenia fetida exposed to soil contaminated with HHCB.CHEMOSPHERE,83(8),1080-1086.
MLA	Liu, Shuo,et al."Ecotoxicological responses of the earthworm Eisenia fetida exposed to soil contaminated with HHCB".CHEMOSPHERE 83.8(2011):1080-1086.