Artículo

Mota, T.; Vitta, A.C.R.; Lorenzo-Figueiras, A.N.; Barezani, C.P.; Zani, C.L.; Lazzari, C.R.; Diotaiuti, L.; Jeffares, L.; Bohman, B.; Lorenzo, M.G. "A Multi-species Bait for Chagas Disease Vectors" (2014) PLoS Neglected Tropical Diseases. 8(2)
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Abstract:

Background:Triatomine bugs are the insect vectors of Trypanosoma cruzi, the etiological agent of Chagas disease. These insects are known to aggregate inside shelters during daylight hours and it has been demonstrated that within shelters, the aggregation is induced by volatiles emitted from bug feces. These signals promote inter-species aggregation among most species studied, but the chemical composition is unknown.Methodology/Principal Findings:In the present work, feces from larvae of the three species were obtained and volatile compounds were identified by solid phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS). We identified five compounds, all present in feces of all of the three species: Triatoma infestans, Panstrongylus megistus and Triatoma brasiliensis. These substances were tested for attractivity and ability to recruit insects into shelters. Behaviorally active doses of the five substances were obtained for all three triatomine species. The bugs were significantly attracted to shelters baited with blends of 160 ng or 1.6 μg of each substance.Conclusions/Significance:Common compounds were found in the feces of vectors of Chagas disease that actively recruited insects into shelters, which suggests that this blend of compounds could be used for the development of baits for early detection of reinfestation with triatomine bugs. © 2014 Mota et al.

Registro:

Documento: Artículo
Título:A Multi-species Bait for Chagas Disease Vectors
Autor:Mota, T.; Vitta, A.C.R.; Lorenzo-Figueiras, A.N.; Barezani, C.P.; Zani, C.L.; Lazzari, C.R.; Diotaiuti, L.; Jeffares, L.; Bohman, B.; Lorenzo, M.G.
Filiación:Laboratório de Triatomíneos e Epidemiologia da Doença de Chagas, CPqRR-FIOCRUZ, Belo Horizonte, Brazil
Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas-UFMG, Belo Horizonte, Brazil
Laboratorio de Fisiología de Insectos, IBBEA-CONICET, FCEyN, Universidad de Buenos Aires, Buenos Aires, Argentina
Laboratório de Química de Produtos Naturais, CPqRR-FIOCRUZ, Belo Horizonte, Brazil
Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 7261, Université François Rabelais, Tours, France
Palabras clave:2, 3 butanediol; acetamide; acetic acid; isovaleric acid; unclassified drug; volatile agent; article; behavior; Chagas disease; controlled study; disease carrier; feces analysis; mass fragmentography; nonhuman; Panstrongylus; panstrongylus megistus; solid phase microextraction; species refuge; Triatoma; Triatoma brasiliensis; Triatoma infestans; Animals; Behavior, Animal; Chagas Disease; Feces; Insect Control; Insect Vectors; Larva; Panstrongylus; Pheromones; Triatoma; Volatile Organic Compounds
Año:2014
Volumen:8
Número:2
DOI: http://dx.doi.org/10.1371/journal.pntd.0002677
Título revista:PLoS Neglected Tropical Diseases
Título revista abreviado:PLoS. Negl. Trop. Dis.
ISSN:19352727
CAS:acetamide, 60-35-5; acetic acid, 127-08-2, 127-09-3, 64-19-7, 71-50-1; isovaleric acid, 503-74-2, 539-66-2
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_19352727_v8_n2_p_Mota

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Citas:

---------- APA ----------
Mota, T., Vitta, A.C.R., Lorenzo-Figueiras, A.N., Barezani, C.P., Zani, C.L., Lazzari, C.R., Diotaiuti, L.,..., Lorenzo, M.G. (2014) . A Multi-species Bait for Chagas Disease Vectors. PLoS Neglected Tropical Diseases, 8(2).
http://dx.doi.org/10.1371/journal.pntd.0002677
---------- CHICAGO ----------
Mota, T., Vitta, A.C.R., Lorenzo-Figueiras, A.N., Barezani, C.P., Zani, C.L., Lazzari, C.R., et al. "A Multi-species Bait for Chagas Disease Vectors" . PLoS Neglected Tropical Diseases 8, no. 2 (2014).
http://dx.doi.org/10.1371/journal.pntd.0002677
---------- MLA ----------
Mota, T., Vitta, A.C.R., Lorenzo-Figueiras, A.N., Barezani, C.P., Zani, C.L., Lazzari, C.R., et al. "A Multi-species Bait for Chagas Disease Vectors" . PLoS Neglected Tropical Diseases, vol. 8, no. 2, 2014.
http://dx.doi.org/10.1371/journal.pntd.0002677
---------- VANCOUVER ----------
Mota, T., Vitta, A.C.R., Lorenzo-Figueiras, A.N., Barezani, C.P., Zani, C.L., Lazzari, C.R., et al. A Multi-species Bait for Chagas Disease Vectors. PLoS. Negl. Trop. Dis. 2014;8(2).
http://dx.doi.org/10.1371/journal.pntd.0002677