Differentiation and genetic analysis of Rhodnius prolixus and Rhodnius colombiensis by rDNA and RAPD amplification
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Differentiation and genetic analysis of Rhodnius prolixus and Rhodnius colombiensis by rDNA and RAPD amplification.
Domiciliated Rhodnius prolixus and sylvatic R. colombiensis were analyzed in order to confirm their genetic divergence and verify the risk that the latter represents in the domiciliation process, and to provide tools for identifying the sources of possible reinfestation by triatomines in human dwellings allowing control programs to be undertaken. Comparison of random amplified polymorphic DNA a...
متن کاملSalivary apyrase of Rhodnius prolixus
Joao J. F. SARKIS,* Jorge A. GUIMARAESt and Jose M. C. RIBEIRO$ *Department of Biochemistry, Federal University of Rio Grande do Sul, Instituto de Biosciencias, 90.000 Porto Alegre, RS, Brazil, tDepartment of Biochemistry, Federal University of Rio de Janeiro, Centro de Ciencias da Saude, Bloco H, 21.910 Rio de Janeiro, RJ, Brazil, and $Department of Tropical Public Health, Harvard School of Pu...
متن کامل[Blood-feeding of Rhodnius prolixus].
Triatomines (Hemiptera: Reduviidae) are blood-sucking insect vectors of the protozoan Trypanosoma cruzi which is the causative agent of Chagas' disease. Rhodnius prolixus is the most epidemiologically important vector of T. cruzi in Colombia. Triatomines are regarded to be vessel-feeders as they obtain their blood meals from vertebrate hosts by directly inserting their mouthparts into vessels. ...
متن کاملRhodnius prolixus Malpighian tubules and control of diuresis by neurohormones.
Rhodnius prolixus Malpighian tubules (MTs) are a good model for fluid and ion secretion studies in view of the dramatic postprandial diuresis, which follows its massive blood meals. Ingestion of a blood meal equals to 10-12 times their initial body mass, leads to rapid activation of high output by excretory system, which eliminates 40-50% of the fluid mass. Secretion of ions and water is stimul...
متن کاملSulfated glycosaminoglycans from ovary of Rhodnius prolixus.
We have characterized sulfated glycosaminoglycans from ovaries of the blood-sucking insect Rhodnius prolixus, and determined parameters of their synthesis and distribution within this organ by biochemical and histochemical procedures. The major sulfated glycosaminoglycan is heparan sulfate while chondroitin 4-sulfate is a minor component. These glycosaminoglycans are concentrated in the ovarian...
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ژورنال
عنوان ژورنال: Memórias do Instituto Oswaldo Cruz
سال: 2001
ISSN: 0074-0276
DOI: 10.1590/s0074-02762001000800003