2018
DOI: 10.1590/s1984-296120180083
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Abstract: This study aimed to perform a morphological, molecular and phylogenetic characterization of Borrelia theileri obtained from infected Rhipicephalus microplus in Brazil. Fifty engorged R. microplus females from cattle in the municipality of Seropédica, Rio de Janeiro, were analyzed for spirochetes by hemolymph smear. Macerated eggs and positive ticks, as well as blood from the bovine infested by these ticks, were analyzed the glpQ, flaB and hpt genes by PCR. The PCR products were purified and sequenced for analy… Show more

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Cited by 14 publications
(11 citation statements)
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“…B. theileri in Rh. microplus has been reported in Madagascar [83], Ecuador [77], Brazil [84] and Argentina [85]. Thus, this is the first time that B. theileri has been detected in Rh.…”
Section: Discussionmentioning
confidence: 57%
“…B. theileri in Rh. microplus has been reported in Madagascar [83], Ecuador [77], Brazil [84] and Argentina [85]. Thus, this is the first time that B. theileri has been detected in Rh.…”
Section: Discussionmentioning
confidence: 57%
“…Sokoloski et al (2018) have suggested that the tick species Rhipicephalus microplus, Rhipicephalus sanguineus, and, primarily, Amblyomma sculptum are involved in the transmission of this agent in South America, however, no study has substantiated this hypothesis. In Southern Hemisphere there are only culture isolation of borreliae from the Borrelia recurrentis group (Muñoz-Leal et al, 2018), and the Borrelia theileri isolate from R. microplus (Cordeiro et al, 2018) as the only one found in ticks of domestic animals may suggest cross-reaction in serological data domestic animals (Cordeiro et al, 2012) and humans (Yoshinari et al, 2003). Four Borrelia spp.…”
Section: Resultsmentioning
confidence: 99%
“…One of the explanations may be the preference of A. sculptum ( Amblyomma cajennense complex) [ 64 ] to parasitize equids, making these species better indicators of the presence of the pathological agent than dogs. Rhipicephalus microplus tick parasitism may be another important factor because of the possibility of cross-reaction with Borrelia theileri , a tick-borne spirochete known to infect cattle and other mammals like horses, sheep, and deer [ 65 ].…”
Section: Discussionmentioning
confidence: 99%