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Plasmodium (Vinckeia) watteni sp. n. from the Formosan Giant Flying Squirrel, Petaurista petaurista grandis

Jih Ching Lien and John H. Cross
The Journal of Parasitology
Vol. 54, No. 6 (Dec., 1968), pp. 1171-1174
DOI: 10.2307/3276986
Stable URL: http://www.jstor.org/stable/3276986
Page Count: 4
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Plasmodium (Vinckeia) watteni sp. n. from the Formosan Giant Flying Squirrel, Petaurista petaurista grandis
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Abstract

A new species of malaria Plasmodium watteni has been found in the Formosan giant flying squirrel, Petaurista petaurista grandis. It is similar to P. booliati from the Malayan flying squirrel except that the trophozoites and schizonts do not exhibit a vacuolated or foamy appearance; the pigment in the trophozoites and gametocytes is more conspicuous and abundant; the mature schizont nearly fills the host cell and has a maximum of 18 merozoites; and the gametocytes fill the host cell. Laboratory rats, mice, hamsters, guinea pigs, the Taiwan monkey (Macaca cyclopis) as well as splenectomized rats and guinea pigs were resistant to experimental transfusion infections. Periodicity studies in the flying squirrel carried out over a 9-day period failed to show synchronism in the asexual cycle of the parasite.

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