ArticlePLoS neglected tropical diseases2020
Dynamics of food sources, ecotypic distribution and Trypanosoma cruzi infection in Triatoma brasiliensis from the northeast of Brazil.
Article in PLoS neglected tropical diseases, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.
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14 citing papers in PubMed, 1 synthesis or guideline pooled it, 43 citations in OpenAlex.
- Distribution, host origin, and transmission cycles of Trypanosoma cruzi genotypes in the State of Rio Grande do Norte, Brazil.Revista da Sociedade Brasileira de Medicina Tropical · 2025Pooled it
- Who Feeds theMicroorganisms · 2026Article
- Genetic Identification of Brazilian Mammalian Hosts ofPathogens (Basel, Switzerland) · 2025Article
- The mitogenome of Triatoma brasiliensis brasiliensis (Hemiptera: Reduviidae), the main Chagas disease vector in the semi-arid region of northeastern Brazil.Parasites & vectors · 2025Article
- Transmission ecology of Trypanosoma cruzi by Rhodnius prolixus (Reduviidae: Triatominae) infesting palm-tree species in the Colombian Orinoco, indicates risks to human populations.PLoS neglected tropical diseases · 2024Article
- Entomological indicators and food sources of triatomines in the Brazilian semi-arid region.Revista da Sociedade Brasileira de Medicina Tropical · 2024Article
- Humans as blood-feeding sources in sylvatic triatomines of Chile unveiled by next-generation sequencing.Parasites & vectors · 2023Article
- Temporal assessment of entomological surveillance of Trypanosoma cruzi vectors in an endemic area of northeastern Brazil.PloS one · 2023Observational
- High Parasitic Loads Quantified in SylvaticPathogens (Basel, Switzerland) · 2022Article
- Molecular characterization ofJournal of parasitic diseases : official organ of the Indian Society for Parasitology · 2022Article
- The connection between Trypanosoma cruzi transmission cycles by Triatoma brasiliensis brasiliensis: A threat to human health in an area susceptible to desertification in the Seridó, Rio Grande do Norte, Brazil.PLoS neglected tropical diseases · 2021Article
- Insecticidal efficacy of fluralaner (BravectoParasites & vectors · 2021Article
- Article
- Detection of Bartonella henselae DNA in Triatoma sordida collected in peridomiciliary environments.The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious DiseasesArticle
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Innovative approaches used to combat Chagas disease transmission tend to combine a set of comprehensive efforts to understand the ecology of local vectors. In this work we identified molecularly the blood meal of 181 Triatoma brasiliensis, distributed in 18 populations (8 sylvatic and 10 peridomestic), which were collected across a range of 240 km (East-West) and 95 km (North-South) in the semi-arid region of northeastern, Brazil. We used the vertebrate mitochondrial gene (cytochrome B) sequencing applied to DNA isolated from bug midgut to identify the insect blood meal sources via the BLAST procedure. The peridomestic populations were classified according to two main hypotheses of site-occupancy for T. brasiliensis: the first says that the infestation is mainly driven by structures that resemble its natural habitat (stony-like ecotopes) and the second assumes that it is associated with key-hosts (rodents and goats). Rodents of the Caviidae family (Galea spixii and Kerodon rupestris) were identified as the key-host of T. brasiliensis, but also the potential Trypanosoma cruzi reservoir-able to connect the sylvatic and domestic T. cruzi cycle. Cats also deserve to be studied better, as potential T. cruzi reservoirs. By modeling the food sources + site-occupancy + T. cruzi natural infection, we identified man-made ecotopes suitable for forming dense triatomine infestations with high rates of T. cruzi natural infection, which may be taken into account for vector control measures.
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