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Studies on the Cambodian I Strain of Plasmodium falciparum in Aotus Monkeys
William E. Collins, Peter G. Contacos, Jimmie C. Skinner, Alan Y. Huong and William Chin
The Journal of Parasitology
Vol. 68, No. 5 (Oct., 1982), pp. 877-883
Stable URL: http://www.jstor.org/stable/3280999
Page Count: 7
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The Cambodian I strain of Plasmodium falciparum, originally from Kampuchea was adapted for development in three different types of Aotus monkeys. High-level parasitemias were readily produced in splenectomized Colombian A. trivirgatus griseimembra monkeys. Initially, only minimal parasitemias developed in A. t. trivirgatus monkeys from Colombia. However, in one animal, adaptation occurred and high-level parasitemias were obtained during the second recrudescence of the infection. Passage to other A. t. trivirgatus monkeys indicated that the parasite was well adapted for development in splenectomized animals; low to moderate parasitemias were still produced in intact animals. This line of the parasite produced high level parasitemias when inoculated into splenectomized Aotus monkeys from Peru. Infections in Anopheles freeborni mosquitoes were obtained as late as the 7th passage in A. t. griseimembra monkeys and as late as the 7th recrudescence of the infection in an individual monkey (348 days after inoculation). The sporogonic cycle was completed in An. freeborni mosquitoes, and one transmission to an A. t. griseimembra monkey via the bites of infected mosquitoes was obtained.
The Journal of Parasitology © 1982 The American Society of Parasitologists