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Authors
Affiliations
1 Molecular Biology and Biotechnology Division, National Bureau of Fish Genetic Resources, Canal Ring Road, P.O. Dilkusha, Lucknow–226 002 (UP), IN
2 Department of Environmental Biology
Awadhesh Pratap Singh University, Rewa, Madhya Pradesh, IN
Source
Journal of Ecophysiology and Occupational Health, Vol 11, No 3-4 (2011), Pagination: 205-211
Abstract
The present study investigated the effects of cadmium chloride on the activities of antioxidant enzymes, viz. superoxide dismutase (SOD) and catalase (CAT), in liver and kidney tissues of cyprinid fish, Labeo rohita. The test specimens were exposed to three concentrations of cadmium chloride namely, 33.55, 67.09 and 100.64 mg L-1, for 96 h duration. A significant elevation in SOD activity and reduction in CAT activity was observed in a dose- and time-dependent manner in both the tissues. The results suggest the essential role of SOD and CAT in antioxidant defense system for protecting fish species from oxidative stress; hence, it can be considered as a sensitive biomarker of the antioxidant defense system.
Keywords
Antioxidant Enzymes, Cadmium, Labeo rohita, Oxidative Stress.
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