Genetic Variability of Triatoma brasiliensis (Hemiptera: Reduviidae) Populations

E. C. Borges; J. P. Dujardin; C. J. Schofield; A. J. Romanha; L. Diotaiuti

doi:10.1603/0022-2585-37.6.872

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1 November 2000 Genetic Variability of Triatoma brasiliensis (Hemiptera: Reduviidae) Populations

E. C. Borges, J. P. Dujardin, C. J. Schofield, A. J. Romanha, L. Diotaiuti

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J. of Medical Entomology, 37(6):872-877 (2000). https://doi.org/10.1603/0022-2585-37.6.872

Abstract

Isoenzymes, random amplified polymorphic DNA (RAPD), and morphometry were used to compare genetic variability within and between three populations of Triatoma brasiliensis Neiva, 1911 from northeast Brazil. The isoenzyme profiles were identical for the three populations, whereas the complex RAPD patterns allowed clear discrimination between the three. Morphometric analysis, using characters of the head capsule, also showed discrimination between the three populations but only in comparisons of males, not females. The results show considerable genetic heterogeneity in T. brasiliensis, with an indication of geographic structuring possibly resulting from a recent series of domestication events.

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E. C. Borges, J. P. Dujardin, C. J. Schofield, A. J. Romanha, and L. Diotaiuti "Genetic Variability of Triatoma brasiliensis (Hemiptera: Reduviidae) Populations," Journal of Medical Entomology 37(6), 872-877, (1 November 2000). https://doi.org/10.1603/0022-2585-37.6.872

Received: 14 February 2000; Accepted: 1 July 2000; Published: 1 November 2000

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