ISSN 1003-8280 CN 10-1522/R 中国疾病预防控制中心 主办
Chinese Journal of Vector Biology and Control >
Population-specific frequency change of pyrethroid resistance alleles in different Musca domestica populations in China
Received date: 2015-06-11
Online published: 2015-10-20
Supported by
Supported by the National Natural Science Foundation of China (No. 31172160), Natural Science Foundation of Beijing Municipal (No. 5142014) and the Major National Science and Technology Projects of China (No. 2012ZX10004219)
Objective The housefly Musca domestica (Diptera: Muscidae), possess significant health concerns for humans and animals. Research on genetics and molecular biology of this pest is helpful for developing an effective control strategy. Methods Frequencies of pyrethroid resistance alleles were compared for five field-derived housefly populations collected across China over a three-years interval. Results Under the laboratory conditions without insecticide selection over almost 3 years, the frequencies of resistant allele (CYP6D1v1) increased in Guangdong, Shanghai, and Beijing populations, but declined in Shandong and Jilin populations that had low initial frequencies of CYP6D1v1 allele. Guangdong, Shandong and Jilin populations experienced a significant decline in the frequency of voltage-sensitive sodium channel resistance allele (kdr-his). The most notable change was observed in Shandong population, in which kdr-his disappeared from the initial frequency of 0.33. From these observations, we concluded that CYP6D1v1 may have fitness advantages and kdr-his allele has haplotype-variable fitness. Conclusion These findings reconfirm our previous suggestion that resistance management strategy should be customized for a given location.
PAN Jing, QIU Xing-hui . Population-specific frequency change of pyrethroid resistance alleles in different Musca domestica populations in China[J]. Chinese Journal of Vector Biology and Control, 2015 , 26(5) : 443 -446 . DOI: 10.11853/j.issn.1003.4692.2015.05.003
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