Identification of Morphologically Similar Rhodnius Species (Hemiptera: Reduviidae: Triatominae) by Electrophoresis of Salivary Heme Proteins

Overview

Journal Am J Trop Med Hyg

Specialty Tropical Medicine

Date 2000 Apr 13

PMID 10761743

Citations 9

Authors

R P Soares

M R SantAnna

N F Gontijo

A J Romanha

L Diotaiuti

M H Pereira

Affiliations

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Abstract

We examined intraspecific variability in the genus Rhodnius using starch gel electrophoresis of salivary heme proteins. Salivary protein profiles of 8 Rhodnius species (R. prolixus, R. robustus, R. neglectus, R. nasutus, R. ecuadoriensis, R. pallescens, R. pictipes, and R. domesticus) were compared. All species could be distinguished by this technique. The greatest protein polymorphism was found in R. ecuadoriensis, R. nasutus, R. robustus, and R. pictipes, followed by R. prolixus, R. neglectus, R. pallescens, and R. domesticus. This approach was able to distinguish R. prolixus from R. robustus and R. neglectus from R. nasutus, species with extreme phenotypical similarity.

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