Abstract:
Triatoma guasayana and two putative cryptic species pertaining to T. sordida complex (named groups 1 and 2) occur in sympatry in the Bolivian Chaco. Using multilocus enzyme electrophoresis and subsequent genetic analysis, our work assesses their population distribution and dispersal capacity in domestic, peridomestic, and silvatic environments. Our collections by light trap in the silvatic environment indicated a predominance of T. guasayana and T. sordida group 2 and a lesser abundance of T. sordida group 1 (≤ 10% of the total of captures). Their similar distribution in two silvatic areas 80 km apart supports the hypothesis of their homogeneous dispersal through the Bolivian Chaco. The distribution of T. guasayana and T. sordida groups 1 and 2 was similar between silvatic environment and peridomestic ecotopes where 25% of positive places was occupied by two or three species. Bromeliads were confirmed as favorable shelter for T. guasayana but were free of T. sordida T. sordida group 1 and to a lesser extent T. guasayana would be more invasive vectors for houses than T. sordida group 2. The spatial partition in the three species sampled in two distant sites suggested a reduced dispersive capacity.
Registro:
Documento: |
Artículo
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Título: | Ecogenetics of Triatoma sordida and Triatoma guasayana (Hemiptera: Reduviidae) in the Bolivian Chaco |
Autor: | Noireau, F.; Gutierrez, T.; Flores, R.; Brenière, F.; Bosseno, M.F.; Wisnivesky-Colli, C. |
Filiación: | Inst. de Rech. pour le Developpement, Casilla Postal 9214, La Paz, Bolivia Museo Historia Nat. Noel Kempff M., Casilla Postal 2489, Santa Cruz, Bolivia Inst. Boliviano de Biol. de Altura, Casilla Postal 641, La Paz, Bolivia UMR CNRS/IRD, BP 5045, 34032 Montpellier Cedex, France U. Ecologia Reservorios V., Depto. de Ciencias Biológicas, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
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Palabras clave: | Bolivia; Distribution; Multilocus enzyme electrophoresis; Population genetics; Triatoma guasayana; Triatoma sordida; Chaco; Hemiptera; Reduviidae; Triatoma guasayana; Triatoma sordida; animal; article; Bolivia; Chagas disease; classification; ecology; genetics; genotype; population density; Triatoma; Animals; Bolivia; Chagas Disease; Ecology; Genotype; Population Density; Triatoma |
Año: | 1999
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Volumen: | 94
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Número: | 4
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Página de inicio: | 451
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Página de fin: | 457
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DOI: |
http://dx.doi.org/10.1590/S0074-02761999000400004 |
Título revista: | Memorias do Instituto Oswaldo Cruz
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Título revista abreviado: | Mem. Inst. Oswaldo Cruz
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ISSN: | 00740276
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00740276_v94_n4_p451_Noireau |
Referencias:
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Citas:
---------- APA ----------
Noireau, F., Gutierrez, T., Flores, R., Brenière, F., Bosseno, M.F. & Wisnivesky-Colli, C.
(1999)
. Ecogenetics of Triatoma sordida and Triatoma guasayana (Hemiptera: Reduviidae) in the Bolivian Chaco. Memorias do Instituto Oswaldo Cruz, 94(4), 451-457.
http://dx.doi.org/10.1590/S0074-02761999000400004---------- CHICAGO ----------
Noireau, F., Gutierrez, T., Flores, R., Brenière, F., Bosseno, M.F., Wisnivesky-Colli, C.
"Ecogenetics of Triatoma sordida and Triatoma guasayana (Hemiptera: Reduviidae) in the Bolivian Chaco"
. Memorias do Instituto Oswaldo Cruz 94, no. 4
(1999) : 451-457.
http://dx.doi.org/10.1590/S0074-02761999000400004---------- MLA ----------
Noireau, F., Gutierrez, T., Flores, R., Brenière, F., Bosseno, M.F., Wisnivesky-Colli, C.
"Ecogenetics of Triatoma sordida and Triatoma guasayana (Hemiptera: Reduviidae) in the Bolivian Chaco"
. Memorias do Instituto Oswaldo Cruz, vol. 94, no. 4, 1999, pp. 451-457.
http://dx.doi.org/10.1590/S0074-02761999000400004---------- VANCOUVER ----------
Noireau, F., Gutierrez, T., Flores, R., Brenière, F., Bosseno, M.F., Wisnivesky-Colli, C. Ecogenetics of Triatoma sordida and Triatoma guasayana (Hemiptera: Reduviidae) in the Bolivian Chaco. Mem. Inst. Oswaldo Cruz. 1999;94(4):451-457.
http://dx.doi.org/10.1590/S0074-02761999000400004