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Malathion Toxicity: Effect on the Ovary of the Zebra Fish Brachydanio rerio (Cyprinidae)
Author(s) -
Ansari Badre Alam,
Kumar Kaushal
Publication year - 1987
Publication title -
internationale revue der gesamten hydrobiologie und hydrographie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 0020-9309
DOI - 10.1002/iroh.19870720408
Subject(s) - malathion , acid phosphatase , alkaline phosphatase , ovary , cyprinidae , pesticide , biology , toxicity , nucleic acid , toxicology , phosphatase , fish <actinopterygii> , chemistry , andrology , enzyme , biochemistry , endocrinology , ecology , fishery , medicine , organic chemistry
The nucleic acids (DNA and RNA), protein contents and the activity of alkaline phosphatase was significantly decreased in the ovary of Brachydanio rerio after exposure to different concentrations of malathion, an organophosphorus pesticide. Total free amino acids and acid phosphatase activity, however, were enhanced. The decrease in the measured parameters depended on both concentration and time. Histopathological studies revealed developmental arrest at all levels from oogonium to tertiary stage oocytes. After transfer to fresh water without the pesticide, there was a marked trend of recovery in al' the parameters studied.