Oil pollution is a serious environmental problem in coastal areas and to set up a quantitative evaluation method in monitoring the environmental pollution is of great importance. Individuals of Mytilus edulis, collected from the coastal area of Qingdao, were thus exposed to the water accommodated fractions (WAFs) of crude oil under controlled lab conditions. Mussels were exposed to different concentrations of WAFs for 96h acute toxicity experiment and 15d chronic toxicity experiment, a 7d restoration experiment was conducted after toxicity experiment as well. The activities of the antioxidant enzymes (CAT, GST, GPx and GR) were measured in gills of mussels. The purpose of the study was to screen out a series of sensitive biomarkers and set up an Integrated Biomarker Response index (IBR) for marine oil pollution monitoring. Results showed: (1) WAFs exposure induced the increased activities of CAT, GST, GPx and GR in gills, revealing a stimulation effect on the antioxidant system. Activities of enzymes were more significantly altered in response to higher concentrations of WAFs (2.3 and 5.0 mg·L−1) than lower concentrations (0.5 and 1.1 mg·L−1). After restoration experiment, the activities decreased to the initial levels. (2) IBR was set up base on the laboratory experiment, which showed a positive relationship with WAFs exposure concentrations. Therefore, IBR was suggested to be a potentially useful tool in assessing the oil pollution.
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13 March 2017
ADVANCES IN MATERIALS, MACHINERY, ELECTRONICS I: Proceedings of the International Conference on Advances in Materials, Machinery, Electronics (AMME 2017)
25–26 February 2017
Wuhan, China
Research Article|
March 13 2017
Integrated biomarker response index used in laboratory exposure of the mussel Mytilus edulis to water accommodated fractions of crude oil
Mengqi Yuan;
Mengqi Yuan
a)
College of Marine Life Science,
Ocean University of China
, Qingdao 266003, China
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You Wang;
You Wang
b)
College of Marine Life Science,
Ocean University of China
, Qingdao 266003, China
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Xinxin Zhang;
Xinxin Zhang
c)
College of Marine Life Science,
Ocean University of China
, Qingdao 266003, China
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Shunxin Hu;
Shunxin Hu
d)
College of Marine Life Science,
Ocean University of China
, Qingdao 266003, China
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Xuexi Tang
Xuexi Tang
e)
College of Marine Life Science,
Ocean University of China
, Qingdao 266003, China
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AIP Conf. Proc. 1820, 030007 (2017)
Citation
Mengqi Yuan, You Wang, Xinxin Zhang, Shunxin Hu, Xuexi Tang; Integrated biomarker response index used in laboratory exposure of the mussel Mytilus edulis to water accommodated fractions of crude oil. AIP Conf. Proc. 13 March 2017; 1820 (1): 030007. https://doi.org/10.1063/1.4977264
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