Toxicity evaluation of 4,4 '-di-CDPS and 4,4 '-di-CDE on green algae Scenedesmus obliquus: growth inhibition, change in pigment content, and oxidative stress

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境化学与生态毒理学国家重点实验室

	Toxicity evaluation of 4,4 '-di-CDPS and 4,4 '-di-CDE on green algae Scenedesmus obliquus: growth inhibition, change in pigment content, and oxidative stress
	Zhang, Xuesheng; Fang, Bingxin; Shi, Jiaqi; Qin, Li; Feng, Mingbao; Cheng, Danru; Wang, Tantan
刊名	ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
	2018-06-01
卷号	25 期号:16 页码:15630-15640
关键词	4,4 '-di-CDPS 4,4 '-di-CDE Scenedesmus obliquus Acute toxicity Oxidative stress
ISSN号	0944-1344
文献子类	Article
英文摘要	Polychlorinated diphenyl sulfides and polychlorinated diphenyl ethers are two types of dioxin-like pollutants, which are prevalent in aquatic environments. However, to date, limited information is available regarding their toxicity to green algae. In this study, growth inhibition, effect on pigment content, and oxidative stress potentials of 4,4'-di-CDPS and 4,4'-di-CDE on green algae Scenedesmus obliquus were investigated. The results indicate that the EC 50 values of 4,4'-di-CDPS after 24, 48, 72, and 96 h of exposure were 1.736, 1.172, 0.994, and 0.820 mg/L, while the corresponding values for 4,4'-di-CDE were 0.697,1.087, 0.833, and 0.327 mg/L. As compared to the control group, most of the measured pigment content in algal cells significantly decreased after 96-h exposure to these two chemicals, suggesting their suppressive capability on the photosynthesis process in algal cells. Additionally, oxidative stress occurred as demonstrated by the significantly inhibited activities of the antioxidant enzymes (total superoxide dismutase (T-SOD), catalase (CAT), and glutathione peroxidase (GPx)), and high increases in malondialdehyde (MDA) content in all 4,4'-di-CDE-treated groups and some moderate-dose and high-dose treatments with 4,4'-di-CDPS. Acute toxicity tests and biochemical analysis showed that 4,4'-di-CDE was more toxic than 4,4'-di-CDPS on S. obliquus.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/41073]
专题	生态环境研究中心_环境化学与生态毒理学国家重点实验室
推荐引用方式 GB/T 7714	Zhang, Xuesheng,Fang, Bingxin,Shi, Jiaqi,et al. Toxicity evaluation of 4,4 '-di-CDPS and 4,4 '-di-CDE on green algae Scenedesmus obliquus: growth inhibition, change in pigment content, and oxidative stress[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2018,25(16):15630-15640.
APA	Zhang, Xuesheng.,Fang, Bingxin.,Shi, Jiaqi.,Qin, Li.,Feng, Mingbao.,...&Wang, Tantan.(2018).Toxicity evaluation of 4,4 '-di-CDPS and 4,4 '-di-CDE on green algae Scenedesmus obliquus: growth inhibition, change in pigment content, and oxidative stress.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,25(16),15630-15640.
MLA	Zhang, Xuesheng,et al."Toxicity evaluation of 4,4 '-di-CDPS and 4,4 '-di-CDE on green algae Scenedesmus obliquus: growth inhibition, change in pigment content, and oxidative stress".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 25.16(2018):15630-15640.