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Correlation between adult pyrethroid resistance and knockdown resistance(kdr)mutations in Aedes albopictus(Diptera:Culicidae)field populations in China

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Infectious Diseases of Poverty 2018年第1期7卷 870-878页

作者： Jing-Peng Gao Han-Ming Chen Hua Shi Heng Peng Ya-Jun Ma Department of Tropical Infectious Diseases Second Military Medical UniversityShanghai 200433China Institute of Disease Control and Prevention People’s Liberation Army of ChinaBeijing 100071China Department of Medical Microbiology and Parasitology College of Basic Medical SciencesSecond Military Medical UniversityShanghai 200433China

Background:Arboviral disease transmitted by Aedes albopictus such as dengue fever is an important threat to human *** resistance raises a great challenge for mosquito control.A systematic assessment of *** resistance status in China is urgently needed,and the study of correlation between pyrethroid resistance and knockdown resistance(kdr)mutations would provide information to guide the control of the *** ***:Five field populations of *** were collected from Jinan(JN),Hangzhou(HZ),Baoshan(BS),Yangpu(YP)and Haikou(HK),China in ***-impregnated papers were prepared with four pyrethroid chemicals,deltamethrin,permethrin,beta-cypermethrin and *** susceptibility of *** to pyrethroids was tested by the who tube *** mutations were identified by PCR and ***,the correlation analysis between kdr alleles and pyrethroid resistance was ***:All five populations of *** showed resistance to four pyrethroid *** kdr mutant allele at codon 1532 and three at 1534 were detected with frequency of 5.33%(I1532T),44.20%(F1534S),1.83%(F1534 L)and 0.87%(F1534C),*** 1532 and 1534 mutation mosquitoes were found in the BS and YP *** I1532T was negatively correlated with deltamethrin resistance phenotype(OR1).Conclusions:The five field populations of *** adults were all resistant to deltamethrin,permethrin,betacypermethrin and *** F1534S was clearly associated with pyrethroid resistance phenotype in *** and this could be developed as a molecular marker to monitor the pyrethroid resistance problem in China.

关键词： Aedes albopictus Pyrethroid Insecticide resistance kdr mutation who tube bioassay

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