Table 3.
Molecular detection of rickettsial DNA in ticks collected from vegetation, humans, and animals from Parque Nacional das Emas (PNE), state of Goiás, a non-endemic area for Brazilian spotted fever, from February 2020 to September 2021.
| Tick Species | Tick Stages | Source | No. Ticks with Rickettsial DNA/No. Tested Ticks (% Positive) |
Rickettsia Species Identified by DNA Sequencing (GenBank Accession Number) |
|---|---|---|---|---|
| Amblyomma sculptum | Nymph | Vegetation | 0/255 (0) | |
| Adult | Vegetation | 0/207 (0) | ||
| Human | 0/1 (0) | |||
| Tapirus terrestris | 1/1 (100) | Rickettsia sp. strain PNE (OR289682) | ||
| Myrmecophaga tridactyla | 0/4 (0) | |||
| Amblyomma triste | Nymph | Vegetation | 0/1 (0) | |
| Cerradomys maracajuensis | 0/1 (0) | |||
| Necromys asiurus | 0/2 (0) | |||
| Nectomys squamipes | 0/2 (0) | |||
| Oligoryzomys cf. mattogrossae | 0/6 (0) | |||
| Oxymycterus delator | 0/19 (0) | |||
| Adult | Vegetation | 1/9 (11.1) | R. parkeri (OR289686, OR728038) | |
| Tapirus terrestris | 6/6 (100) | Rickettsia sp. strain PNE (OR289684, OR289685, OR728036, OR728037) | ||
| Amblyomma dubitatum | Nymph | Cerradomys scotti | 0/1 (0) | |
| Nectomys squamipes | 0/2 (0) | |||
| Didelphis albiventris | 0/2 (0) | |||
| Rhipicephalus linnaei | Adult | Dog | 0/31 (0) | |
| TOTAL | 8/550 (1.4) |