Journal
REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA
Volume 28, Issue 4, Pages 592-604Publisher
BRAZILIAN COLL VETERINARY PARASITOLOGY
DOI: 10.1590/S1984-29612019086
Keywords
Hepatozoon; Babesia; Amazonian biome; Mato Grosso state
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Funding
- CNPq -Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [447557/2014-9, 310352/2016-9]
- Fundacao de Amparo a Pesquisa do Estado de Mato Grosso -FAPEMAT [568520/2014, 477017/2011]
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Small non-volant mammals (marsupials and small rodents) were captured at three different timepoints from 23 forest fragments across three municipalities (Alta Floresta, Sinop and Claudia) covering the Amazonian biome of the Mato Grosso State in Midwestern Brazil. The animal tissues (liver and spleen) and blood were screened using molecular tools for the detection of Babesia, Coxiella, Cytauxzoon, Hepatozoon, Theileria, and Anaplasmataccae agents. A total of 230 specimens (78 rodents and 152 marsupials) were trapped. Hepatozoon and Piroplasmorida agents were detected in the common opossums (Didelphis marsupialis). In turn, all samples (blood, liver, or spleen) collected from the small mammals were negative for the genus Coxiella and the family Anaplasmataceae, as detected by polymerase chain reaction (PCR). Phylogenetic analyses inferred from partial sequences of the 18S rRNA gene highlighted the occurrence of new Hepatozoon and Piroplasmorida haplotypes. Future studies determining the role of common opossum (D. marsupials's) in the epidemiological cycles of Hepatozoon and Babesia under natural conditions in the Amazonian biome are necessary.
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