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Levels of insecticide resistance to deltamethrin,malathion,and temephos,and associated mechanisms in Aedes aegypti mosquitoes from the Guadeloupe and Saint Martin islands(French West Indies)

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Infectious Diseases of Poverty 2017年第1期6卷 339-353页

作者： Daniella Goindin Christelle Delannay Andric Gelasse Cedric Ramdini Thierry Gaude Frederic Faucon Jean-Philippe David Joël Gustave Anubis Vega-Rua Florence Fouque Laboratory of Medical Entomology Unit Environment and HealthPasteur Institute of Guadeloupe97183 Les AbymesGuadeloupe Vector control Service Regional Health AgencyDothemareLes AbymesGuadeloupe Alpine Ecology Laboratory(LECA) CNRSUMR 55532233 rue de la piscine BP5338041 GrenobleCedex 9France University of Grenoble Alpes GrenobleFrance Environmental and Systems Biology(BEeSy) University of Grenoble AlpesGrenobleFrance Vector Environment and Society Unit Special Programme for Research and Training in Tropical Diseases(TDR)World Health Organization20Avenue AppiaCH-1211 Geneva 27Switzerland

Background:In the Guadeloupe and Saint Martin islands,Aedes aegypti mosquitoes are the only recognized vectors of dengue,chikungunya,and Zika *** around 40 years,malathion was used as a mosquito adulticide and temephos as a *** the European Union banned the use of these two insecticide molecules in the first decade of the 21st century,deltamethrin and Bacillus thuringiensis *** are the remaining adulticide and larvicide,respectively,used in *** order to improve the management of vector control activities in Guadeloupe and Saint Martin,we investigated *** resistance to and mechanisms associated with deltamethrin,malathion,and ***:*** mosquitoes were collected from six different localities of Guadeloupe and Saint *** were used for malathion and temephos bioassays,and adult mosquitoes for deltamethrin bioassays,following World Health Organization *** resistance(Kdr)genotyping for V1016I and F1534C mutations,and expression levels of eight enzymes involved in detoxification mechanisms were examined in comparison with the susceptible reference Bora Bora ***:Resistance ratios(RR50)calculated for *** larvae showed high resistance levels to temephos(from 8.9 to 33.1-fold)and low resistance levels to malathion(from 1.7 to 4.4-fold).Adult females displayed moderate resistance levels to deltamethrin regarding the time necessary to affect 50%of individuals,varying from 8.0 to *** investigations on adult mosquitoes showed high resistant allele frequencies for V1016I and F1534C(from 85 to 96%and from 90 to 98%,respectively),as well as an overexpression of the glutathione S-transferase gene,GSTe2,the carboxylesterase CCEae3a,and the cytochrome genes 014614,CYP6BB2,CYP6M11,and ***:*** populations from Guadeloupe and Saint Martin exhibit multiple resistance to organophosphates(temephos and malathion),and pyrethroids(deltamethrin

关键词： Aedes aegypti Mosquitoes Insecticide resistance Deltamethrin Malathion temephos Guadeloupe Saint Martin

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Susceptibility to temephos,permethrin and deltamethrin of Aedes aegypti(Diptera:Culicidae) from Muang district,Phitsanulok Province,Thailand

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Asian Pacific Journal of Tropical Medicine 2015年第1期8卷 14-18页

作者： Damrongpan Thongwat Nophawan Bunchu Department of Microbiology and Parasitology Faculty of Medical ScienceNaresuan University Centre of Excellence in Medical Biotechnology Faculty of Medical ScienceNaresuan University

Objective:To investigate the susceptibility to *** and deltamethrin of Aedes aegypti ***),collected from areas with high incidence of dengue hemorrhagic fever cases in Phitsanulok ***:The F1 progenies of *** colony,originated from five sub-districts including *** Ro,Nai *** Krang and Tha Pho,were used in the bioassays following the procedures of World Heath *** larval *** late third or early fourth-instar lanae were tested with different concentrations of *** adult *** females were exposed to 0.75%permethrin or 0.05%***_(50)value and mortality rate were analyzed to compare the insecticide susceptibility of the larvae and the adults in each area,***:The LC_(50) value of temephos for the larvae from *** *** Muang,Ban Krang and Tha Pho sub-districts was *** 0.113 ppm,*** permethrin,the highest morlalitv rate(86.84%) was found in the mosquitoes from Aranyik but the others were more resistant with the lower morlality rates(16.00-42.67%).The adult morlality rates after exposing to dellaiiielhrin were higher(82.34-98.67%) in all ***:*** larvae were still susceptible to ***,most tested adults tended to resist the penmethrin and deltamethrin.

关键词： Aedes aegypti Insecticide susceptibility temephos Permethrin Deltamethrin

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