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Autor | Garcia, Gabriela A. | |
Autor | Hoffmann, Ary A. | |
Autor | Freitas, Rafael Maciel de | |
Autor | Villela, Daniel A. M. | |
Fecha de acceso | 2020-08-05T18:28:43Z | |
Fecha de disponibilización | 2020-08-05T18:28:43Z | |
Fecha de publicación | 2020 | |
Referencia | GARCIA, Gabriela A. et al. Aedes aegypti insecticide resistance underlies the success (and failure) of Wolbachia population replacement. Scientific Reports, v. 10, n. 63, 9p, 2020. | pt_BR |
ISSN | 2045-2322 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/42553 | |
Idioma | eng | pt_BR |
Editor | Nature Resarch | pt_BR |
Derechos de autor | open access | pt_BR |
Palabras clave en Portugués | Aedes aegypti | pt_BR |
Palabras clave en Portugués | Resistência ao inseticida | pt_BR |
Palabras clave en Portugués | População de Wolbachia | pt_BR |
Título | Aedes aegypti insecticide resistance underlies the success (and failure) of Wolbachia population replacement | pt_BR |
Tipo del documento | Article | pt_BR |
DOI | 10.1038/s41598-019-56766-4 | |
Resumen en Inglés | Mosquitoes that carry Wolbachia endosymbionts may help control the spread of arboviral diseases, such as dengue, Zika and chikungunya. Wolbachia frequencies systematically increase only when the frequency-dependent advantage due to cytoplasmic incompatibility exceeds frequency-independent costs, which may be intrinsic to the Wolbachia and/or can be associated with the genetic background into which Wolbachia are introduced. Costs depend on field conditions such as the environmental pesticide load. Introduced mosquitoes need adequate protection against insecticides to ensure survival after release. We model how insecticide resistance of transinfected mosquitoes determines the success of local Wolbachia introductions and link our theoretical results to field data. Two Ae. aegypti laboratory strains carrying Wolbachia were released in an isolated district of Rio de Janeiro, Brazil: wMelBr (susceptible to pyrethroids) and wMelRio (resistant to pyrethroids). Our models elucidate why releases of the susceptible strain failed to result in Wolbachia establishment, while releases of the resistant strain led to Wolbachia transforming the native Ae. aegypti population. The results highlight the importance of matching insecticide resistance levels in release stocks to those in the target natural populations during Wolbachia deployment. | pt_BR |
Afiliación | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Transmissores de Hematozoários. Rio de Janeiro, RJ, Brasil. | pt_BR |
Afiliación | University of Melbourne. Parkville, Australia. | pt_BR |
Afiliación | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Transmissores de Hematozoários. Rio de Janeiro, RJ, Brasil. | pt_BR |
Afiliación | Fundação Oswaldo Cruz. Programa de Computação Científca. Rio de Janeiro, RJ, Brasil. | pt_BR |
Palavras clave en Inglês | Aedes aegypti | pt_BR |
Palavras clave en Inglês | Insecticide resistance | pt_BR |
Palavras clave en Inglês | Wolbachia population | pt_BR |
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