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Antigenic analysis of sequential erythrocytic stages of Plasmodium knowlesi.
Authors:J A Deans  E D Dennis  S Cohen
Abstract:
The antigenic composition of sequential erythrocytic stages of Plasmodium knowlesi has been compared by crossed immuno-electrophoresis using a pool of immune rhesus monkey antiserum. Eleven major parasite antigens have been identified; 9 are stage-independent, and 2 stage-dependent. Differences in the relative amount of the stage-independent antigens have been demonstrated and quantified. The distribution of antigens between parasites and schizont and infected red cell membranes has been examined. Only 6 of the 11 parasite antigens were exhibited by a schizont membrane preparation, all these antigens were also expressed by the intracellular parasite. Antigens exclusive to the schizont membrane were not demonstrated.
Keywords:
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