2023
DOI: 10.1016/j.ttbdis.2023.102127
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The inoculation eschar of Rickettsia parkeri rickettsiosis in Brazil: Importance and cautions

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Cited by 7 publications
(5 citation statements)
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“…R. parkeri ARF strain was initially isolated from a tick in Colombia, and is used because it is a BSL-2 pathogen. Human pathogenicity is well-established for R. parkeri and when subtyped, this includes the ARF strain [16][17][18]. When the infection was identified in approximately 90% of cells, the intracellular bacteria were partially purified from Vero cell lysate preparations that had been sonicated in sucrose-phosphate-glutamate buffer solution (218 mM sucrose, 3.76 mM KH 2 PO 4 , 7.2 mM K 2 HPO 4 , and 3.9 mM glutamate [SPG]) and frozen at-80˚C as previously described [16].…”
Section: Bacteriamentioning
confidence: 99%
“…R. parkeri ARF strain was initially isolated from a tick in Colombia, and is used because it is a BSL-2 pathogen. Human pathogenicity is well-established for R. parkeri and when subtyped, this includes the ARF strain [16][17][18]. When the infection was identified in approximately 90% of cells, the intracellular bacteria were partially purified from Vero cell lysate preparations that had been sonicated in sucrose-phosphate-glutamate buffer solution (218 mM sucrose, 3.76 mM KH 2 PO 4 , 7.2 mM K 2 HPO 4 , and 3.9 mM glutamate [SPG]) and frozen at-80˚C as previously described [16].…”
Section: Bacteriamentioning
confidence: 99%
“…Wild carnivores are hosts for the adult ticks of Amblyomma aureolatum, Amblyomma ovale, and Amblyomma tigrinum and domestic dogs are common alternative hosts [86]. These tick species have been shown to be infected with, respectively, R. rickettsii, Rickettsia parkeri Atlantic rainforest strain, and Rickettsia parkeri sensu stricto and emerging knowledge indicates that dogs may bridge the infected ticks to human households [85,87,88]. Whereas Rickettsia-infected A. ovale ticks have a wide distribution within the country, infected A. tigrinum were detected only in the southern region [85].…”
Section: Brazilmentioning
confidence: 99%
“…Durante a anamnese, é prioridade o profissional de saúde perguntar onde o paciente mora ou se esteve em locais em que o Amblyomma cajennense, o carrapato-estrela, é facilmente encontrado, como locais de mata, fazenda, florestas e trilhas (RODRIGUES, 2023). 38 Por se tratar de uma doença grave, é imprescindível que, quando diagnosticada, a febre maculosa seja notificada para o Sistema Nacional de Agravos de Notificação (SINAN) (BRASIL, 2019). 7 Em relação aos exames diagnósticos específicos, para fins de investigação epidemiológica, destaca-se o exame sorológico de reação de imunofluorescência indireta (RIFI).…”
Section: Diagnósticounclassified
“…Análises de conjuntos de dados históricos mostram que o número de casos confirmados de FM tende a aumentar ano a ano, e isso está mais relacionado ao aumento da sensibilidade da vigilância e ao uso de técnicas de diagnóstico, incluindo inspeção post mortem . 38 Os primeiros relatos da Febre Maculosa foram registrados nos Estados Unidos, no Estado de Idaho, no início do século XX, recebendo o nome de Febre Maculosa das Montanhas Rochosas (RMSF). A origem do nome da doença, deu-se à sua grande incidência nos estados americanos cortados pela cadeia das Montanhas Rochosas.…”
Section: Introductionunclassified