期刊
MARINE ENVIRONMENTAL RESEARCH
卷 70, 期 1, 页码 120-123出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2010.02.003
关键词
Crude oil; EROD activity; Polar cod; Arctic; Gills; Liver
资金
- ConocoPhillips
- Norway AS
- Svalbard Science Forum
Polar cod Boreogadus saida an indicator species for biomonitoring in the Arctic was exposed to crude oil in waterborne and dietary experiments Ethoxyresorufin O-deethylase (EROD) activity was measured in liver and gills of polar cod at weeks 0, 2 and 4 of exposure and following 2 weeks of depuration. EROD increased significantly and dose-dependently in both tissues through both exposure routes. Levels were very low in gills compared to liver reflecting the tissue-specific metabolism capacities and tissue-specific response kinetics were also observed Furthermore, a significant Increase of gill EROD was shown in dietary exposed fish, demonstrating a substantial transport of PAHs via the systemic circulation To conclude, this study gave some preliminary information on the EROD response in terms of levels, dose dependency and timing, in gills of PAH exposed polar cod (C) 2010 Elsevier Ltd. All rights reserved
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