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Revista Habanera de Ciencias Médicas

versión On-line ISSN 1729-519X


SANCHEZ LERMA, Liliana et al. First detection of Candidatus Rickettsia colombianensi in the State of Meta, Colombia. Rev haban cienc méd [online]. 2019, vol.18, n.3, pp.487-499. ISSN 1729-519X.


Rickettsia is a genus of Gram-negative obligate intracellular bacteria that cause several epidemics around the world and are transmitted mainly by ticks, fleas, lice and mites. Rickettsiosis is a re-emergent infectious disease without epidemiological surveillance in Colombia. Until few years ago, Rickettsia rickettsi was the only tick-borne Rickettsioses in America; however, new species are being described, and although their pathogenicity has not been confirmed, they should be considered as potential pathogens.


The aim of this study was to determine the presence of rickettsial agents in ticks in the state of Meta, Colombia.

Material and Methods:

A descriptive cross-sectional study was conducted; ticks were collected and, after their taxonomic identification, gltA,ompAand ompB genes were amplified and sequenced.


A total of 169 pools were obtained to which PCR were carried out, of which 2 PCR were amplified for the gltA, ompA and ompB genes.


These results demonstrate the presence of Rickettsia spp in ticks in the State of Meta.

Palabras clave : Rickettsiosis; IFI; PCR; Candidatus Rickettsia colombianensi; Ticks; Colombia.

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