AI Article Synopsis
- The study investigates the role of marsupials, specifically Didelphis species, in the transmission of leishmaniasis in northeastern Brazil.
- Blood samples from 25 opossums were tested for Leishmania DNA, revealing a 16% positivity rate for L. (V.) braziliensis.
- The findings indicate that Didelphis albiventris may contribute to the spread of this parasite, posing an infection risk to local human populations due to the animals' movement between wild and urban areas.
Article Abstract
The synanthropic behavior of marsupials of the genus Didelphis in endemic areas of leishmaniasis suggests that these animals may play an important role in the epidemiology of this infection. The aim of the present study was to detect Leishmania spp. DNA in Didelphis albiventris (white-eared opossum) and Didelphis aurita (big-eared opossum) living in forested and peridomestic areas of northeastern Brazil. Blood samples were collected from 25 animals (23 D. albiventris and 2 D. aurita ) by cardiac puncture and then analyzed via PCR. Leishmania (Viannia) braziliensis DNA complex was detected in 4 (16%) of the 25 samples, whereas no samples scored positive for Leishmania (Leishmania) donovani complex. Our data suggest that D. albiventris participates in the wild enzootic cycle of the L. (V.) braziliensis complex. Therefore, humans living in this area are at risk of infection, because Didelphis species are in constant movement between wild and urban environments.
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| http://dx.doi.org/10.1638/2015-0148.1 | DOI Listing |
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