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学科主题: Ecology; Environmental Sciences; Toxicology
题名: Effects of pyrene on antioxidant systems and lipid peroxidation level in mangrove plants, Bruguiera gymnorrhiza
作者: Song, H ; Wang, YS ; Sun, CC ; Wang, YT ; Peng, YL ; Cheng, H
通讯作者: yswang@scsio.ac.cn
关键词: Mangrove plant ; Bruguiera gymnorrhiza ; Pyrene ; Oxidative stress ; Lipid peroxidation ; Proline
刊名: ECOTOXICOLOGY
发表日期: 2012
卷: 21, 期:6, 页:1625-1632
部门归属: [Song, Hui; Wang, You-Shao; Sun, Cui-Ci; Wang, Yu-Tu; Peng, Ya-Lan; Cheng, Hao] Chinese Acad Sci, State Key Lab Trop Oceanog, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Song, Hui; Wang, You-Shao; Sun, Cui-Ci; Wang, Yu-Tu; Peng, Ya-Lan; Cheng, Hao] Chinese Acad Sci, Daya Bay Marine Biol Res Stn, Shenzhen 518121, Peoples R China
项目归属: LTO
摘要: The effects of polycyclic aromatic hydrocarbon (PAH) (pyrene) on superoxide dismutase (SOD), ascorbate peroxidase (APX), catalase, peroxidase, malondialdehyde (MDA) and proline were studied in leaves, stems and roots of Bruguiera gymnorrhiza. The results showed that the responses of enzymatic and non-enzymatic antioxidants varied significantly among the three tissues studied. The activities of antioxidant enzymes in PAH-treated stems and roots fluctuated in different stress levels compared to the controls, while the antioxidant enzymes such as SOD, APX in leaves increased when stressed by PAH with a significant positive relation between PAH and leaf SOD or APX activity. Low PAH treatments could also stimulate proline in leaves and stems. MDA content was obviously accumulated in stems and roots under PAH stress while decreased in leaves, indicating that the increased antioxidant enzymes in leaves may partly alleviate lipid peroxidation. For pollution monitoring purpose, SOD and APX in leaves may be potential biomarkers of PAH pollution in intertidal estuaries.
语种: 英语
WOS记录号: WOS:000306592100007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10139
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Song, H; Wang, YS; Sun, CC; Wang, YT; Peng, YL; Cheng, H.Effects of pyrene on antioxidant systems and lipid peroxidation level in mangrove plants, Bruguiera gymnorrhiza,ECOTOXICOLOGY,2012,21(6):1625-1632
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文件名: s10646-012-0945-9.pdf
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