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Duval, L.; Nerrienet, E.; Rousset, D.; Sadeuh Mba, S.A.; Houze, S.; Fourment, M.; Le Bras, J.; Robert, Vincent; Ariey, F. (2009)
Publisher: Public Library of Science
Languages: English
Types: Article
Subjects: Research Article, Infectious Diseases, Medicine, ADN, PHYLOGENIE, REPARTITION GEOGRAPHIQUE, Molecular Biology/Molecular Evolution, Q, PALUDISME, PRIMATE, R, PARASITE, Evolutionary Biology, Science, Microbiology/Parasitology, CYTOCHROME B

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mesheuropmc: parasitic diseases
Since the 1970's, the diversity of Plasmodium parasites in African great apes has been neglected. Surprisingly, P. reichenowi, a chimpanzee parasite, is the only such parasite to have been molecularly characterized. This parasite is closely phylogenetically related to P. falciparum, the principal cause of the greatest malaria burden in humans. Studies of malaria parasites from anthropoid primates may provide relevant phylogenetic information, improving our understanding of the origin and evolutionary history of human malaria species. In this study, we screened 130 DNA samples from chimpanzees (Pan troglodytes) and gorillas (Gorilla gorilla) from Cameroon for Plasmodium infection, using cytochrome b molecular tools. Two chimpanzees from the subspecies Pan t. troglodytes presented single infections with Plasmodium strains molecularly related to the human malaria parasite P. ovale. These chimpanzee parasites and 13 human strains of P. ovale originated from a various sites in Africa and Asia were characterized using cytochrome b and cytochrome c oxidase 1 mitochondrial partial genes and nuclear ldh partial gene. Consistent with previous findings, two genetically distinct types of P. ovale, classical and variant, were observed in the human population from a variety of geographical locations. One chimpanzee Plasmodium strain was genetically identical, on all three markers tested, to variant P. ovale type. The other chimpanzee Plasmodium strain was different from P. ovale strains isolated from humans. This study provides the first evidence of possibility of natural cross-species exchange of P. ovale between humans and chimpanzees of the subspecies Pan t. troglodytes.

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