Plasmodium vivax and Plasmodium falciparum infection in Neotropical primates in the western Amazon, Brazil
2019
Silva, Tatiene R. M. | Barros, Flávia N. L. | Bahia, Michele | Sampaio Junior, Francisco D. | Santos, Sidney S. F. | Inoue, Larissa S. | Gonçalves, Thamirys S. | Chiesorin Neto, Laerzio | Faria, Diogo C. L. O. | Tochetto, Camila | Viana, Gisele M. R. | Monteiro, Frederico O. B. | Góes-Cavalcante, Gustavo | Scofield, Alessandra
The Brazilian Amazon is endemic for malaria and natural infections by Plasmodium spp. have been detected in Neotropical primates. Despite the diversity of primate species in the region, studies on infections by these agents are limited. The aim of the present study was to investigate the frequency of infection by Plasmodium vivax and P. falciparum in free‐born primates that were kept in captivity, in the western Amazon, Brazil. Blood samples were collected from 98 Neotropical primates. Detection of P. vivax and P. falciparum DNA was performed using a semi‐nested PCR, and the amplified products were sequenced. Plasmodium spp. DNA was detected in 6.12% (6/98) of the primates. P. vivax, and P. falciparum DNA was detected in 2.04% (2/98) and 4.08% (4/98) of these mammals, respectively. Sequencing and phylogenetic analysis confirmed the results obtained from the semi‐nested PCR. The presence of infected non‐human primates (NHP) can be auxiliary in the maintenance of P. falciparum and P. vivax and may have implications for the malaria surveillance and control in the Brazilian Amazon. It is necessary to structure an efficient surveillance system for the aetiological agents of malaria that infect NHP and humans to reduce the risk of Plasmodium spp. introduction into new areas, to protect all susceptible species.
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