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Nath BS, Suresh A, Varma BM, Kumar RP: Changes in protein metabolism in hemolymph and fat body of the silkworm, Bombyx mori (Lepidoptera: Bombycidae) in response to organophosphorus insecticides toxicity. Ecotoxicol Environ Saf. 1997 Mar;36(2):169-73.
Changes in protein metabolism were studied in hemolymph and fat body of 5th instar silkworm Bombyx mori exposed to lethal and sublethal doses of fenitrothion and ethion. The total protein content indicated a depletion followed by a concomitant increase in accumulation of free amino acids. Concurrently, the activity of protease in both of the tissues was also increased. A sharp enhancement in the activities of alanine aminotransferase and aspartate aminotransferase paralleled the elevation of glutamate dehydrogenase activity in the tissues studied. All these changes clearly documented the induction of severe proteolysis and transamination of amino acids. |
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