Comparative growth of spotted fever group Rickettsia spp. strains in Vero cells

AUTOR(ES)

Silva, Arannadia Barbosa, Duarte, Myrian Morato, Vizzoni, Vinicius Figueiredo, Duré, Ana Íris de Lima, Lopéz, Diego Montenegro, Nogueira, Rita de Maria Seabra, Soares, Carlos Augusto Gomes, Machado-Ferreira, Erik, Gazêta, Gilberto Salles

FONTE

Mem. Inst. Oswaldo Cruz

DATA DE PUBLICAÇÃO

2016-08

RESUMO

In Brazil, the spotted fever group (SFG) Rickettsia rickettsii and Rickettsia parkeri related species are the etiological agents of spotted fever rickettsiosis. However, the SFG, Rickettsia rhipicephali, that infects humans, has never been reported. The study of growth dynamics can be useful for understanding the infective and invasive capacity of these pathogens. Here, the growth rates of the Brazilian isolates R. rickettsii str. Taiaçu, R. parkeri str. At#24, and R. rhipicephali HJ#5, were evaluated in Vero cells by quantitative polymerase chain reaction. R. rhipicephali showed different kinetic growth compared to R. rickettsii and R. parkeri.

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