• Toluene toxicity: Effects of sublethal levels on enzyme activities in seawater adapted tilapia(Sarotherodon mossambicus Peters)

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    • Keywords


      Tilapia; toluene toxicity; lactate dehydrogenase; succinate dehydrogenase; acetylcholinesterase

    • Abstract


      The effects of exposing seawater adapted cichlid fish, tilapia(Sarotherodon mossambicus Peters) to sublethal concentrations of toluene on the activities of lactate dehydrogenase, succinate dehydrogenase and acetylcholinesterase were studied. The activity of lactate dehydrogenase increased while those of succinate dehydrogenase and acetylcholinesterase were inhibited in most tissues of the exposed fish. The alterations in the dehydrogenases suggested that some changes in carbohydrate metabolism may have occurred. Acetylcholinesterase inhibition in brain and other tissues indicated impairment of nervous function in toluene-intoxicated tilapia.

    • Author Affiliations


      Ajit D Dange1 Vasant B Masurekar1

      1. Department of Zoology, Institute of Science, Madam Cama Road, Bombay - 400 032
    • Dates

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