Inhibition of Mg2+ and Na(+)-K+ ATPases in selected tissues of fish, Cyprinus carpio under fenvalerate toxicity. |
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| Authors: | P M Reddy G H Philip M Bashamohideen |
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| Affiliation: | Department of Zoology, Sri Krishnadevaraya University, Anantapur, India. |
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| Abstract: | The changes in the magnesium adenosine triphosphatase (Mg2+ ATPase) and sodium-potassium adenosine triphosphatase (Na(+)-K+ ATPase) in gill, brain, liver and muscle tissues of freshwater fish, Cyprinus carpio at 6, 12, 24 and 48 hr exposure periods were studied after subjecting to sublethal concentration (10 micrograms/lit) of fenvalerate. Mg2+ ATPase and Na(+)-K+ ATPase activities were inhibited in all the tissues of fenvalerate exposed fish. The per cent inhibition increased with increase in the period of exposure and the possible reasons for the inhibition patterns are discussed. |
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