| Autor: |
De Lorenzo, Cíntia, Boabaid, Fabiana Marques, de Oliveira, Luiz Gustavo Schneider, Bianchi, Matheus Viezzer, Félix, María L., Armúa-Fernández, María T., Soares, João Fábio, Venzal, José M., Sonne, Luciana |
| Zdroj: |
Ticks and Tick-borne Diseases; September 2021, Vol. 12 Issue: 5 |
| Abstrakt: |
Rangelia vitaliiis a protozoan parasite that causes a hemorrhagic and hemolytic disease in dogs known as rangeliosis. Current reports of the disease are concentrated in the southern and southeastern regions of Brazil, as well as in Uruguay, Argentina, and Paraguay, and mainly concern domestic dogs. South American wild canids, such as the crab-eating fox (Cerdocyon thous), the pampas fox (Lycalopex gymnocercus), and the maned wolf (Chrysocyon brachyurus) may also be affected, although existing reports are restricted to Brazil. The present study aimed to detect R. vitaliiparasitism in the Uruguayan wild fox population. DNA extracted from the blood and/or spleen samples of road-killed C. thousand L. gymnocercusfound in northern Uruguay were subjected to polymerase chain reaction (PCR) to amplify a 551-bp fragment of the Rangelia18S rRNA gene. A total of 62 wild canids, including 38 C. thousand 24L. gymnocercus, were analyzed. Five crab-eating fox samples (13.2%) were positive for R. vitalii, with 99.5–100% identity between the sequences. All samples from pampas fox tested negative for R. vitalii. When compared with the R. vitaliisequences available in GenBank, a similarity of 98.9–100% was revealed. Molecular analysis results suggest that R. vitaliiis circulating in the crab-eating fox population in Uruguay; however, its veterinary relevance for these foxes remains unknown. |
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