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Volume 7, Issue 20 (Spring 2013)
IJT 2013, 7(20): 816-822 |
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Mansouri B, Baramaki R, Zareh M, Pourkhabbaz A, Hamidian A H. Bioaccumulation and Depuration of Copper in the Kidney and Liver of a Freshwater Fish, Capoeta fusca. IJT 2013; 7 (20) :816-822
URL: http://ijt.arakmu.ac.ir/article-1-180-en.html
URL: http://ijt.arakmu.ac.ir/article-1-180-en.html
Bioaccumulation and Depuration of Copper in the Kidney and Liver of a Freshwater Fish, Capoeta fusca
Borhan Mansouri * 
1, Rahimeh Baramaki2 , Maryam Zareh3 , Alireza Pourkhabbaz2 , Amir Hossein Hamidian3
1, Rahimeh Baramaki2 , Maryam Zareh3 , Alireza Pourkhabbaz2 , Amir Hossein Hamidian3
1- Young Researchers’ Club, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran. , borhanmansouri@yahoo.com
2- Department of Environmental Sciences, Faculty of Agriculture, University of Birjand, Birjand, Iran.
3- Department of Environment, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
2- Department of Environmental Sciences, Faculty of Agriculture, University of Birjand, Birjand, Iran.
3- Department of Environment, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
Abstract: (10928 Views)
Background: This study aims to investigate the patterns of bioaccumulation and depuration of copper in the selected kidney and liver of Capoeta fusca.
Methods: The fish were collected between September and November 2010 from a qanat in Birjand. They were exposed to two types treatments with copper (0.25 and 0.75 mg/L) for a period of 41 days. The fish under study were exposed to the above-mentioned sub-lethal concentrations separately for 14 and 21 days (accumulation period). At the end of this period, the remaining fish were kept in tap water (elimination period) for 31 and 41 days.
Results: The findings showed that the accumulation of copper in lower and higher sub-lethal concentrations was higher in kidney as the mean accumulation of copper on day 21 was 1.9±0.1 μg/g and 2.93±0.47 μg/g respectively, in 0.25 μg/g and 0.75 μg/g concentrations. On the other hand, the results also showed that the depuration level of copper in the given concentrations was higher in liver than kidney. The bioaccumulation and depuration of copper significantly increased in the kidney and liver of C. fusca (P<0.01).
Conclusion: Based on the present work, it is concluded that C. fusca has a potential for the rapid accumulation and depuration of copper in freshwater. Also, the results indicate that the fish C. fusca, as representative fish species in the East of Iran, can be a useful bioindicator organism of water contamination with copper.
Methods: The fish were collected between September and November 2010 from a qanat in Birjand. They were exposed to two types treatments with copper (0.25 and 0.75 mg/L) for a period of 41 days. The fish under study were exposed to the above-mentioned sub-lethal concentrations separately for 14 and 21 days (accumulation period). At the end of this period, the remaining fish were kept in tap water (elimination period) for 31 and 41 days.
Results: The findings showed that the accumulation of copper in lower and higher sub-lethal concentrations was higher in kidney as the mean accumulation of copper on day 21 was 1.9±0.1 μg/g and 2.93±0.47 μg/g respectively, in 0.25 μg/g and 0.75 μg/g concentrations. On the other hand, the results also showed that the depuration level of copper in the given concentrations was higher in liver than kidney. The bioaccumulation and depuration of copper significantly increased in the kidney and liver of C. fusca (P<0.01).
Conclusion: Based on the present work, it is concluded that C. fusca has a potential for the rapid accumulation and depuration of copper in freshwater. Also, the results indicate that the fish C. fusca, as representative fish species in the East of Iran, can be a useful bioindicator organism of water contamination with copper.
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The Iranian Journal of Toxicology
Arak University of Medical Sciences in collaboration with the Iranian Society of Toxicology
Website: http://ijt.arakmu.ac.ir
Email: tox.journal@gmail.com
