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Title: Adaptative processes, control measures, genetic background, and resilience of malaria vectors and environmental changes in the Amazon region
Authors: Tadei, Wanderli Pedro
Rodrigues, Iléa Brandão
Rafael, Míriam Silva
Sampaio, Raquel Telles de Moreira
Mesquita, H. G.
Pinheiro, Valéria Cristina Soares
Zequi, João Antonio C.
Roque, Rosemary Aparecida
Santos, Joselita Maria Mendes dos
Keywords: Biopesticide
Disease Control
Disease Transmission
Disease Vector
Ecosystem Resilience
Environmental Change
Genetic Analysis
Genetic Variation
Physiological Response
Population Density
Anopheles Darlingi
Issue Date: 2017
metadata.dc.publisher.journal: Hydrobiologia
metadata.dc.relation.ispartof: Volume 789, Número 1, Pags. 179-196
Abstract: This study relates multiple parameters that are involved in the occurrence and control of malaria in the Amazon. Ebbs and floods, black and white waters, fishponds, and “repiquete” (Amazonian waters phenomenon) influence the density of Anopheles darlingi Root, 1926. The adaptive processes, genetic background, and resilience of Anopheles vectors change in response to climate and environmental changes. This study covers the diversity of anophelines, which increases due to anthropic activities. Regarding strategies for vector control, the following measures are important: (1) use mechanical barriers inside houses (screens and impregnated mosquito nets), (2) determine the level of anopheline resistance to insecticides, and (3) determine the effect of the physiological state of females on malaria transmission effectiveness. Bioinsecticides were found to be efficient in the control of immatures, and there was no alteration of the associated fauna. Data on genetic variability and vector populations demonstrated greater polymorphism in intradomicile subpopulations. Furthermore, knowledge on the structural genome and transcriptome of A. darlingi, associated with bio-ecology and evolution, may indicate an adaptive strategy of this species to the Amazon biome. There are anthropic activities and environmental and climatic changes that favor increased vector density, requiring specific control strategies to reduce populations of this species. © 2016, Springer International Publishing Switzerland.
metadata.dc.identifier.doi: 10.1007/s10750-016-2960-y
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