Superoxide dismutase activity in nematodes

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Abstract
The activities of the enzymes superoxide dismutase (E.C.:1.15.1.1) and catalase (E.C: 1.11.1.6) were studied in purified extracts of four nematodes:Ascaris suum, Toxascaris leonina, Toxocara canisandT. catiadult males and females. No catalase activity was found in any of the extracts. The results reveal that the SOD activities of the four parasites presented species differences and also sexual differences within each species. Polyacrylamide gel electrophoresis pattern analysis confirmed that the mobilities, widths and band intensities varied according to the species and sex of the parasite from which the enzyme was obtained.