ArticleJournal of infection in developing countries2020
Flea-borne Rickettsia species in fleas, Caldas department, Colombia.
Article in Journal of infection in developing countries, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Flea infestation and molecular detection of Rickettsia and Bartonella spp. in domestic dog-associated fleas from the inter-Andean basin of Cundinamarca, Colombia.Medical and veterinary entomology · 2026Article
- Mitogenomic architecture and phylogenetic placement ofFrontiers in veterinary science · 2025Article
- Article
- Seroprevalence ofVeterinary world · 2023Article
- Frequency of antibodies and seroconversion against Rickettsia spp in patients consulting health institutions in the department of Caldas, Colombia, 2016-2019Biomedica : revista del Instituto Nacional de Salud · 2021Article
- Article
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Authors and funding
10 authors.
Funding
Abstract
introductionRickettsioses are zoonotic diseases caused by pathogenic bacteria of the genus Rickettsia and transmitted to man by means of arthropod vectors such as ticks, fleas, mites and lice. Historically, Caldas Department has reported a significant number of cases of murine typhus to the Colombian national health surveillance system, and consequent studies of flea-borne rickettsiosis identified the circulation of Rickettsia typhi and Rickettsia felis in multiple municipalities. Our aim was to genotype species of Rickettsia detected in fleas collected from domestic and wild mammals in Caldas. METHODOLOGY: Flea samples were taken by convenience sampling from dogs, cats and wild mammals (rodents and marsupials) in 26 municipalities. Specimens were classified by current taxonomic keys and pooled for DNA extraction and molecular screening for Rickettsia spp. by PCR amplification of gltA, htrA and sca5 genes. Positive samples were genotyped by enzyme digestion (htrA) and sequencing.
resultsA total of 1388 flea samples were collected. Rickettsia DNA was amplified in 818 (gltA), 883 (htrA) and 424 (sca5) flea pools. Alignment analysis with available Rickettsia DNA sequences showed greater similarity with R. asembonensis (gltA) and with R. felis (sca5 and htrA). Restriction pattern was compatible with R. felis. R. typhi was not identified.
conclusionThe present study confirms the presence and high prevalence of R. asembonensis and R. felis in fleas from domestic and wild animals in different municipalities from Caldas Department.
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