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insecticide resistance status of Aedes aegypti and Aedes albopictus in Malaysia(2010 to 2022):A review

Asian Pacific Journal of Tropical Medicine 2023年第10期16卷 434-445页

作者： Sabar Nurul-Nastasea Ke-Xin Yu Ahmad Rohani Mohamed Nor Zurainee Tengku Idzzan Nadzirah Tengku-Idris Roza Dianita Masse Rezki Sabrina Wan Mohamad Ali Wan Najdah School of Graduate Studies Management and Science UniversitySeksyen 1340100Shah AlamSelangorMalaysia Faculty of Health and Life Sciences Management and Science UniversitySeksyen 1340100 Shah AlamSelangorMalaysia Medical Entomology Unit Institute for Medical ResearchNational Institute of HealthMinistry of Health MalaysiaPersiaran Setia MurniSetia Alam40170 Shah AlamSelangorMalaysia Department of Parasitology Faculty of MedicineUniversity of Malaya50603Kuala LumpurMalaysia School of Biology Faculty of Applied SciencesUniversiti Teknologi MARA40450Shah AlamSelangorMalaysia School of Pharmaceutical Sciences Universiti Sains Malaysia11800GelugorPenangMalaysia

This review aimed to determine the prevalence of the insecticide resistance status of the field-collected Aedes(Ae.)aegypti and Ae.albopictus in Malaysia from 2010 to 2022 towards carbamates,organochlorines,organophosphates and pyrethroids.Biological and environmental controls were summarized with an emphasis on the mosquito vector control strategies in Malaysia.The information in this review was extracted from several databases such as PubMed(MEDLINE),Science Direct and Scopus by using keywords including“insecticide resistance”,“carbamate resistance”,“organochlorine resistance”,“organophosphate resistance”,“pyrethroid resistance”,“Aedes”and“Malaysia”,between January 2022 and December 2022.Distribution of resistant Ae.aegypti and Ae.albopictus in Malaysia was mapped using QGIS software.insecticide resistance in both Ae.aegypti and Ae.albopictus is widespread in Malaysia,although the rates vary by states.The most notable was the steep increase in permethrin resistance of Ae.aegypti in Selangor,Malaysia,over the past decade.Ae.albopictus also displayed moderate resistance to permethrin,though not as widespread as Ae.aegypti in Selangor,but showed sign of resistance in Sarawak,East Malaysia.resistance towards four main classes of insecticides have been widely documented in Malaysia.The extensive resistance towards permethrin in Malaysia which is one of the current insecticides used in Malaysia suggested that policies supporting the widespread use of permethrin fogging needs further evaluation.

关键词： Aedes Pyrethroids insecticide resistance Malaysia Vector control

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Influence of seasonal migration on evolution of insecticide resistance in Plutella xylostella

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Insect Science 2022年第2期29卷 496-504页

作者： Menglun Wang Bin Zhu Lei Zhang Yutao Xiao Pei Liang Kongming Wu Department of Entomology China Agricultural UniversityBeijing100193 China Guangdong Laboratory for Lingnan Modern Agriculture Guangzhou510642 China Agricultural Genomics Institute at Shenzhen Chinese Academy of Agricultural SciencesShenzhen518120 China

The diamondback moth,Plutella xylostella(L.),is one of the most destructive migratory pest species of cruciferous vegetables worldwide and has developed resistance to most of the insecticides used for its control.The migration regularity,migratory behavior,and relationship between flight and reproduction of P.xylostella have been widely reported.However,the effect of migration on insecticide resistance in this pest is still unclear.In this study,the effect of migration on P.xylostella resistance to seven insecticides was investigated using populations across the Bohai Sea that were collected in the early and late seasons during 2017–2019.The bioassay results showed that the early season populations of P.xylostella from south China possessed much higher resistance to insecticides because of intensive insecticide application;alternatively,the late season populations migrated from northeast China,where the insecticides were only used occasionally,showed much lower insecticide resistance.The genome re-sequencing results revealed that,among the eight mutations involved in insecticide resistance,the frequencies of two acetylcholinesterase mutations(A298S and G324A)responsible for organophosphorus insecticide resistance were significantly decreased in the late season populations.The results indicated that P.xylostella migration between tropical and temperate regions significantly delayed the development of insecticide resistance.These findings illustrated the effect of regional migration on the evolution of insecticide resistance in P.xylostella,and provided foundational information for further research on the relationship between migration and insecticide resistance development in other insects.

关键词： Bohai Sea insecticide resistance migration Plutella xylostella

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Characterization of carboxylesterase PxαE8 and its role in multi-insecticide resistance in Plutella xylostella(L.)

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Journal of Integrative Agriculture 2022年第6期21卷 1713-1721页

作者： LI Ran SUN Xi LIANG Pei GAO Xi-wu Department of Entomology China Agricultural UniversityBeijing 100193P.R.China

Carboxylesterase(CarE)was considered as important phase-I detoxifying enzymes which participated in detoxification of different types of insecticides.Up-regulation of CarE genes has been proved playing a major role in insecticide resistance in many pest insects,but its involvement in resistance to insecticides in Plutella xylostella has been rarely reported.In this study,a CarE cDNA named PxαE8 was identified in P.xylostella,which has an open reading frame of 1599 nucleotides and putatively encodes 532 amino acids.The investigation of spatial expression profiles of PxαE8 revealed that it was expressed in all developmental stages,especially in larvae and adults.The body part/tissue-specific expression profiles showed that the PxαE8 mainly expressed in fat body,malpighian tubule and hemolymph of larvae.Further,the relative expression of PxαE8 in two multi-resistant field populations,Hainan(HN)and Guangdong(GD)populations,was found 24.4-and 15.5-fold higher than that in susceptible population,respectively.Knockdown of PxαE8 by RNA interference dramatically increased the mortalities of larvae of HN population treated with LC_(50) of beta-cypermethrin and phoxim by 25.3 and 18.3%,respectively.These results suggested that up-regulation of PxαE8 was involved in resistance to both beta-cypermethrin and phoxim in P.xylostella,which shed light on further understanding of molecular mechanisms of multi-insecticide-resistance in P.xylostella and other pest insects.

关键词： Plutella xylostella carboxylesterase insecticide resistance beta-cypermethrin phoxim

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insecticide resistance in malaria-transmitting mosquitoes in Zimbabwe: a review

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Infectious Diseases of Poverty 2015年第1期4卷 359-370页

作者： White Soko Moses J.Chimbari Samson Mukaratirwa School of Nursing and Public Health University of KwaZulu-NatalHoward CampusDurban 4001South Africa College of Health Sciences University of KwaZulu-NatalDurbanSouth Africa School of Life Sciences University of KwaZulu-NatalKwaZulu-NatalSouth Africa Ministry of Health and Child Care National Institute of Health ResearchP.O.Box CY 573CausewayZimbabwe

Malaria is a global public health problem,with about 3.2 billion people at risk of infection.The populations at risk mainly reside in Africa,Asia and America,with African populations accounting for the largest burden of the disease.In 2013,close to 198 million malaria cases were reported,leading to 584,000 deaths.Much(90%)of the mortality rates were recorded from the World Health Organization(WHO)database in the African region and 78%of these occurred in children under the age of five.In Zimbabwe,approximately half of the population is at risk of infection with malaria.insecticide residual spraying(IRS)has been documented as an effective way to control malaria and has been adopted globally by the WHO and national governments.However,both insecticide resistance and climate change threaten to reverse the progress made by IRS in malaria control.resistance has been reported in all four classes of insecticides approved by the WHO for vector control intervention.Variability of environmental temperature is suspected to complicate the situation through alteration in the genetic structure,and enzyme and protein profiles of mosquitoes.In Zimbabwe,little research has been done on the interaction between climate change,temperature variability and insecticide resistance in malarial mosquitoes over time.Such information is important for informing policies on insecticide selection for IRS.We reviewed literature on insecticide sensitivity among malarial mosquitoes in Zimbabwe from 1972 to 2014.International peer-reviewed articles on insecticide sensitivity in Zimbabwe,published in English in this time period,were searched using MEDLINE®(PubMed),Google Scholar,Google and grey literature.Eight publications were eligible for the present study,with one of the articles being a review paper.Six articles covered insecticide resistance,while the other two articles,published in 2000,were about the absence of resistance.Contradicting resistance results were reported in 2014.The insecticide sensitivity status and distribution of insecticid

关键词： Malaria Mosquitoes Vector control insecticide resistance insecticide sensitivity Zimbabwe

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insecticide resistance in phlebotomine sandflies in Southeast Asia with emphasis on the Indian subcontinent

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Infectious Diseases of Poverty 2016年第1期5卷 972-981页

作者： Ramesh C.Dhiman Rajpal S.Yadav Author details 1 National Institute of Malaria Research(ICMR) Delhi 110077India Department of Control of Neglected Tropical Diseases World Health OrganizationGenevaSwitzerland

Background:Visceral leishmaniasis,commonly known as kala-azar in India,is a global public health problem.In Southeast Asia,Bangladesh,Bhutan,India,Nepal,Sri Lanka and Thailand are endemic for visceral leishmaniasis.The role of sandflies as the vector of kala-azar was first confirmed in 1942 in India.insecticide resistance in Phlebotomus argentipes Annandale and Brunetti,the vector of kala-azar in the Indian subcontinent,was first reported in 1987 in Bihar,India.This article provides a scoping review of the studies undertaken from 1959 to 2015 on insecticide resistance in P.argentipes and P.papatasi(Scopoli),the vectors of visceral and cutaneous leishmaniasis respectively,in Southeast Asia,mainly in Bangladesh,India,Nepal and Sri Lanka.Results:Studies undertaken in areas of Bihar and West Bengal in India where kala-azar is endemic have reported resistance of P.argentipes to DDT,while in non-endemic areas it has been reported to be susceptible.In areas of Nepal bordering India,there are indications of resistance to DDT;biochemical resistance has been reported in Sri Lanka.No laboratory studies have been undertaken in Bangladesh;however,the sandfly vector is reported to be still susceptible to pyrethroids in all kala-azar endemic areas in the aforementioned countries.Conclusions:Studies are needed to determine the resistance of sandfly vectors to all available classes of potential insecticides in kala-azar endemic areas.There is a need to assess the impact of indoor residual spraying with DDT and pyrethroids on the incidence of kala-azar in India where 54 districts remain endemic for the disease,strengthen entomological surveillance capacity,and develop and implement an insecticide management plan.Alpha-cypermethrin indoor residual spraying has been introduced in 33 kala-azar endemic districts in Bihar State of India in a pilot trial;the outcomes should be used to inform decisions on expanding coverage with alpha-cypermethrin in all remaining endemic districts to achieve the revised goal of elimination of visceral l

关键词： DDT Alpha-cypermethrin Indoor residual spraying Indian subcontinent insecticide resistance Phlebotomus argentipes Phlebotomus papatasi Sandflies Visceral leishmaniasis

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insecticide resistance in Bemisia tabaci from Cyprus

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Insect Science 2011年第1期18卷 30-39页

作者： Vassilis Vassiliou Maria Emmanouilidou Andreas Perrakis Evangelia Morou John Vontas Anastasia Tsagkarakou Emmanouil Roditakis Agricultural Research Institute Nicosia Cyprus Faculty of Biotechnology and Appfied Biology Department of Biology University of Crete Herakfion Greece National Agricultural Research Foundation (N.AG.RE.F.) Plant Protection Institute of Heraklion Heraklion Greece

A comprehensive study on the Bemisia tabaci （biotype B） resistance to neonicotinoid insecticides imidacloprid, acetamiprid and thiamethoxam, and pyrethroid bifenthrin was conducted in Cyprus. The resistance level to eight field-collected B. tabaci populations was investigated. The activities of enzymes involved in metabolic detoxification and the frequencies ofpyrethroid and organophosphates target site resistance mutations were determined. Moderate to high levels of resistance were detected for imidacloprid （re- sistance factor [RF] 77-392） and thiamethoxam （RF 50-164） while low resistance levels were observed for acetamiprid （RF 7-12）. Uniform responses by the Cypriot whiteflies could be observed against all neonicotinoid insecticides. No cross-resistance between the neonicotinoids was detected as well as no association with the activity of the P450 microsomal oxidases. Only imidacloprid resistance correlated with carboxylesterase activity. Low to extremely high resistance was observed for insecticide bifenthrin （RF 49 1 243） which was associated with the frequency of the resistant allele in the sodium channel gene but not with the activity of the detoxification enzymes. Finally, the F331W mutation in the acetylcholinesterase enzyme acel gene was fixed in all B. tabaci populations from Cyprus.

关键词： acetamiprid B biotype Bemisia tabaci bifenthrin Cyprus imidacloprid insecticide resistance thiamethoxam

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insecticide resistance status and biochemical mechanisms involved in Aedes mosquitoes: A scoping review

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Asian Pacific Journal of Tropical Medicine 2021年第2期14卷 52-63页

作者： Minu Bharati Dhiraj Saha Insect Biochemistry and Molecular Biology Laboratory Department of ZoologyUniversity of North Bengal.P.O.North Bengal UniversityDistrict-DarjeelingWest Bengal734013 India

Mosquitoes belonging to the genus Aedes pose a significant threat to human health on a global scenario due to their role in transmission of dengue,chikungunya,zika,and yellow fever.In absence of specific medications and vaccines against these diseases,disease prevention relies on vector control.However,in today’s world,vector control is facing major challenges due to the onset of insecticide resistance in mosquitoes.There are four main mechanisms of insecticide resistance,namely,behavioral resistance,reduced penetration/cuticular resistance,metabolic detoxification,and target site resistance;however,the latter two mechanisms have been studied widely in Aedes mosquitoes.insecticide resistance in Aedes mosquitoes is widespread throughout the world.This review compiles the degree of insecticide resistance/susceptibility prevailing among different field populations of Aedes mosquitoes worldwide.In addition,the review has detailed the mechanisms providing the resistance phenomenon observed in nature in Aedes mosquitoes.

关键词： Aedes aegypti Aedes albopictus insecticide resistance Metabolic detoxification Knockdown resistance

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Population dynamics, pathogen detection and insecticide resistance of mosquito and sand fly in refugee camps, Greece

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Infectious Diseases of Poverty 2020年第2期9卷 50-62页

作者： Emmanouil Alexandras Fotakis loannis Apostolou Giantsis Javier Castells Sierra Filianna Tanti Sofia Balaska Konstantinos Mavridis Sofoklis Kourtidis John Vontas Alexandra Chaskopoulou Department of Crop Science Pesticide Science LabAgricultural University of AthensAthensGreece Institute of Molecular Biology and Biotechnology Foundation for Research and Technology HellasHeraklionCreteGreece European Biological Control Laboratory USDA-ARSThessalonikiGreece Department of Biology National and Kapodistrian University of AthensAthensGreece General Directorate of Public Health and Social Welfare Region of Central MacedoniaThessalonikiGreece

Background:As of 2015 thousands of refugees are being hosted in temporary refugee camps in Greece.Displaced populations,travelling and living under poor conditions with limited access to healthcare are at a high risk of exposure to vector borne disease(VBD).This study sought to evaluate the risk for VBD transmission within refugee camps in Greece by analyzing the mosquito and sand fly populations present,in light of designing effective and efficient context specific vector and disease control programs.Methods:A vector/pathogen surveillance network targeting mosquitoes and sand flies was deployed in four temporary refugee camps in Greece.Sample collections were conducted bi-weekly during June-September 2017 with the use of Centers for Disease Control(CDC)light traps and oviposition traps.Using conventional and molecular diagnostic tools we investigated the mosquito/sand fly species composition,population dynamics,pathogen infection rates,and insecticide resistance status in the major vector species.Results:Important disease vectors including Anopheles sacharovi,Culex pipiens,Aedes albopictus and the Leishmania vectors Phlebotomus neglectus,P.perfiliewi and P.tobbi were recorded in the study refugee camps.No mosquito pathogens(Plasmodium parasites,flaviviruses)were detected in the analysed samples yet high sand fly Leishmania infection rates are reported.Culex pipiens mosquitoes displayed relatively high knock down resistance(kdr)mutation allelic frequencies(ranging from 41.0 to 63.3%)while kdr mutations were also detected in Ae.albopictus populations,but not in Anopheles and sand fly specimens.No diflubenzuron(DFB)mutations were detected in any of the mosquito species analysed.Conclusions:Important disease vectors and pathogens in vectors(Leishmania spp.)were recorded in the refugee camps indicating a situational risk factor for disease transmission.The Cx.pipiens and Ae.albopictus kdr mutation frequencies recorded pose a potential threat against the effectiveness of pyrethroid insecticides in these settings.In co

关键词： Refugee camp Mosquito Sand fly insecticide resistance

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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 viruses.For around 40 years,malathion was used as a mosquito adulticide and temephos as a larvicide.Since the European Union banned the use of these two insecticide molecules in the first decade of the 21st century,deltamethrin and Bacillus thuringiensis var.israelensis are the remaining adulticide and larvicide,respectively,used in Guadeloupe.In order to improve the management of vector control activities in Guadeloupe and Saint Martin,we investigated Ae.aegypti resistance to and mechanisms associated with deltamethrin,malathion,and temephos.Methods:Ae.aegypti mosquitoes were collected from six different localities of Guadeloupe and Saint Martin.Larvae were used for malathion and temephos bioassays,and adult mosquitoes for deltamethrin bioassays,following World Health Organization recommendations.Knockdown 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 strain.Results:resistance ratios(RR50)calculated for Ae.aegypti 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 28.1-fold.Molecular 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 CYP9J23.Conclusions:Ae.aegypti populations from Guadeloupe and Saint Martin exhibit multiple resistance to organophosphates(temephos and malathion),and pyrethroids(deltamethrin).The mechanisms associated with these resistanc

关键词： Aedes aegypti Mosquitoes insecticide resistance Deltamethrin Malathion Temephos Guadeloupe Saint Martin

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Identification and characterization of a cytochrome P450 C YP6CX1 putatively associated with insecticide resistance in Bemisia tabaci

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Insect Science 2011年第5期18卷 484-494页

作者： Hua-Mei Zhuang Kuan-Fu Wang Lin Zheng Zu-Jian Wu Tadashi Miyata Gang Wu Key Laboratory of Biopesticide and Chemical Biology Ministry of Education Fujian Agriculture and Forestry University Fuzhou Fujian China Laboratory of Applied Entomology Graduate School of Bioagricultural Sciences Nagoya University Nagoya Japan

The novel full length of cytochrome P450 gene has been isolated in insecticideresistant （named CYP6CXlvl） and -susceptible （named CYP6CXlv2） Bemisia tabaci, which was identified as B biotype, in Shangjie, Fujian, China （Sj）. CYP6CX1 （1 940 bp contained a 1 557 bp open reading frame） included conserved domains common to CYP6 members, such as heme-binding motif PFGEGPRFCIA, putative ＂meander＂-binding sequence ETLR and PERF in helix-K, oxygen-binding motif AGLDPV and conserved sequence PEKFNP near the carboxyl end. There were four different replacements of amino acid residues between R and S B. tabaci （Thr300 Ala, Thr354Pro, Arg486His and Ile503Thr）, among which the substitution Ile503Thr was located in the substrate recognition sites region. The mRNA transcription level of CYP6CXlvl was 2.38-fold as high as that of CYP6CXlv2. The results indicated that the CFP6CX1 from the B biotype B. tabaci in Sj was one of the CYP6 members, and enhanced CYP6CX1 expression and substitute of amino acid residues might be involved in the resistance mechanisms in field B. tabaci.

关键词： Bemisia tabaci biotype cytochrome P450s monooxygenases insecticide resistance

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