Insecticide resistance status of Aedes aegypti in border areas of Yunnan Province
© 2024 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry..
BACKGROUND: Aedes aegypti is a main vector of arboviral diseases, principally dengue, chikungunya, and Zika. Insecticides remain the most effective vector control method. Pyrethroid is the main insecticide currently used, and the long-term use of insecticides can cause mosquitoes to develop knockdown resistance. Studying the mutation sites and genotypes of Ae. aegypti can reveal the mutation characteristics and regional distribution of the kdr gene in an Ae. aegypti population. Testing for a correlation between the mutation rate in various populations and pyrethrin resistance can clarify the resistance mechanism.
RESULTS: The bioassay results showed that all 15 populations are resistant. In the study of the kdr gene, three non-synonymous mutations were identified in the DNA of first generation females from the wild Ae. aegypti population: S989P (TCC-CCC), V1016G (GTA-GGA), and F1534C (TTC-TGC). The mortality rate of the various populations was correlated with the mutation rate at the V1016G + F1534C locus, but not the S989P + V1016G locus.
CONCLUSION: Aedes aegypti populations in border regions of Yunnan Province are resistant to permethrin and beta-cyfluthrin. The insecticidal effect of beta-cyfluthrin is stronger than that of permethrin. The mutation rate at sites V1016G + F1534C is negatively correlated with the mortality of Ae. aegypti based on bioassays. © 2024 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Pest management science - (2024) vom: 30. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Ge [VerfasserIn] |
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| Links: |
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| Themen: |
Ae. aegypti |
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| Anmerkungen: |
Date Revised 15.02.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/ps.7999 |
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NLM367792435 |
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| 520 | |a BACKGROUND: Aedes aegypti is a main vector of arboviral diseases, principally dengue, chikungunya, and Zika. Insecticides remain the most effective vector control method. Pyrethroid is the main insecticide currently used, and the long-term use of insecticides can cause mosquitoes to develop knockdown resistance. Studying the mutation sites and genotypes of Ae. aegypti can reveal the mutation characteristics and regional distribution of the kdr gene in an Ae. aegypti population. Testing for a correlation between the mutation rate in various populations and pyrethrin resistance can clarify the resistance mechanism | ||
| 520 | |a RESULTS: The bioassay results showed that all 15 populations are resistant. In the study of the kdr gene, three non-synonymous mutations were identified in the DNA of first generation females from the wild Ae. aegypti population: S989P (TCC-CCC), V1016G (GTA-GGA), and F1534C (TTC-TGC). The mortality rate of the various populations was correlated with the mutation rate at the V1016G + F1534C locus, but not the S989P + V1016G locus | ||
| 520 | |a CONCLUSION: Aedes aegypti populations in border regions of Yunnan Province are resistant to permethrin and beta-cyfluthrin. The insecticidal effect of beta-cyfluthrin is stronger than that of permethrin. The mutation rate at sites V1016G + F1534C is negatively correlated with the mortality of Ae. aegypti based on bioassays. © 2024 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Ae. aegypti | |
| 650 | 4 | |a border areas in Yunnan Province | |
| 650 | 4 | |a insecticide resistance | |
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| 700 | 1 | |a Zhang, HengDuan |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Zu |e verfasserin |4 aut | |
| 700 | 1 | |a Du, YuTong |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Qing |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Xing, Dan |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, XiaoXia |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Teng |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, YuTing |e verfasserin |4 aut | |
| 700 | 1 | |a Li, ChunXiao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, TongYan |e verfasserin |4 aut | |
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