Joint effects of crude oil and heavy metals on the gill filament EROD activity of marbled rockfish Sebastiscus marmoratus

被引:12
|
作者
Zheng, Ronghui [1 ]
Chen, Huanbin [2 ]
Bo, Jun [1 ]
Xie, Qing [1 ]
Hong, Fukun [1 ]
Zhang, Yusheng [1 ]
机构
[1] State Ocean Adm, Inst Oceanog 3, Xiamen, Fujian, Peoples R China
[2] Quanzhou Entry Exit Inspect & Quarantine Bur PR C, Xiaocuo Off, Fuzhou, Peoples R China
基金
中国国家自然科学基金;
关键词
Crude oil; Water-accommodated fraction; Cadmium; Lead; Gill; 7-ethoxyresorufin O-deethylase; WATER-ACCOMMODATED FRACTIONS; POLYCYCLIC AROMATIC-HYDROCARBONS; FLOUNDER PLATICHTHYS-FLESUS; RAINBOW-TROUT; SEA BASS; CYTOCHROME-P4501A INDUCTION; DICENTRARCHUS-LABRAX; INDUCED INHIBITION; SURFACE SEDIMENTS; CYP1A EXPRESSION;
D O I
10.1016/j.ecoenv.2016.06.002
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The aim of this study was to characterize dose- and time-dependent responses of gill 7-ethoxyresorufin O-deethylase (EROD) activity from juvenile marbled rockfish (Sebastiscus marmoratus) exposed to the water-accommodated fraction (WAF) of crude oil and heavy metal Cd(II) or Pb(II) alone or in mixture. Compared to the control group, gill filament EROD activity in S. marmoratus was significantly induced after exposure to the WAF from 80 to 320 mu g/L. for 5 days in dose response experiment and after exposure to 40 mu g/L. WAF for 6-10 days in time course experiment, respectively. In the other hand, gill filament EROD activity were not significantly affected compared to the control group or related WAF groups no matter in the dose response experiment or in the time course experiment of Cd(II), Pb(II) or its mixture with WAF. The results suggest the use of gill filament EROD activity as a biomarker of exposure to waterborne AhR agonists in marine ecosystems while simultaneously being exposed to environmental concentrations of Cd(II) or Pb(II). (C) 2016 Published by Elsevier Inc.
引用
收藏
页码:116 / 122
页数:7
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