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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/20472


Title: Genetic Structure of Triatoma sordida (Hemiptera: Reduviidae) Domestic Populations from Bolivia: Application on Control Interventions
Authors: Noireau, François
Zegarra, Mario
Ordoñez, Jackline
Gutierrez, Teresa
Dujardin, Jean-Pierre
Keywords: Triatoma sordida - multilocus enzyme electrophoresis (MLEE) - dispersal behavior - population genetics - Bolivia
Issue Date: 31-Dec-1999
Publisher: Fundação Oswaldo Cruz, Fiocruz
Citation: Memórias do Instituto Oswaldo Cruz (ISSN: 1678-8060) Vol 94 Num 3
Abstract: The genetic population of Triatoma sordida group 1, secondary vector of Chagas disease in Bolivia, was studied by multi-locus enzyme electrophoresis. A total of 253 nymphal and adult specimens collected from seven neighbouring localities in the Velasco Province, Department of Santa Cruz, were processed. The relatively low genetic variability was confirmed for this species (rate of polymorphism: 0.20). The absence of genetic disequilibrium detected within the seven localities was demonstrated. A geographical structuration appears between localities with distances greater than 20 km apart. Although T. sordida presents a relatively reduced dispersive capacity, its panmictic unit is wider than compared with T. infestans. Genetic distances between T. sordida populations were correlated with geographic distance. Gene flow between geographic populations of T. sordida provides an efficient framework for effective vigilance and control protocols.
URI: http://hdl.handle.net/1807/20472
Other Identifiers: http://www.bioline.org.br/abstract?id=oc99064
Rights: Copyright 1999 Fundacao Oswaldo Cruz - Fiocruz
Appears in Collections:Bioline International Legacy Collection

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