| seroprevalence of rickettsia spp. in equids and molecular detection of 'candidatus rickettsia amblyommii' in amblyomma cajennense sensu lato ticks from the pantanal region of mato grosso, brazil. | the aim of the study was to evaluate exposure of equids to rickettsial agents (rickettsia rickettsii, rickettsia parkeri, 'candidatus rickettsia amblyommii', rickettsia rhipicephali, and rickettsia bellii) and rickettsial infection in ticks of a pantanal region of brazil. sera of 547 equids (500 horses and 47 donkeys) were evaluated by indirect immunofluorescence assay. in total, 665 adults and 106 nymphal pools of amblyomma cajennense f. sensu lato, 10 dermacentor nitens neumann ticks, and 88 l ... | 2014 | 26309313 |
| ticks and rickettsial infection in the wildlife of two regions of the brazilian amazon. | during 2009-2012, wild animals and their ticks were sampled in two areas within the amazon biome of brazil, in the states of mato grosso and pará. animal tissues, blood, and ticks were molecularly tested for rickettsia and coxiella dna. a total of 182 wild animals were sampled, comprising 28 mammalian, five avian, and three reptilian species. animal tissues or blood were all negative for rickettsia or coxiella dna. a total of 454 ticks (22 larvae, 226 nymphs, 127 males, 79 females) were collecte ... | 2015 | 25273064 |