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Lipase is associated with deltamethrin resistance in Culex pipiens pallens

  • Arthropods and Medical Entomology - Original Paper
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Abstract

The wide application of pyrethroids has led to the rapid development of insecticide resistance in mosquitoes, leading to a rise in mosquito-borne diseases. We previously identified five differentially expressed lipase family genes upon evaluating the transcriptomes of deltamethrin-resistant and deltamethrin-susceptible strains of Culex pipiens pallens. Herein, the gene expression levels were verified by quantitative real-time PCR, and two lipase family genes, lipase A and pancreatic triacylglycerol lipase A, were chosen for further investigations. Using cell viability assays and Centers for Disease Control and Prevention bottle bioassays, lipase A was found to increase the resistance of mosquitoes against deltamethrin both in vitro and in vivo. Our findings indicate that lipase A is involved in conferring deltamethrin resistance in Cx. pipiens pallens.

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Funding

This study was supported by the National Natural Science Foundation of China (Grant No. 81772227, 81672056, and 81672058) and the National S & T Major Program (Grant No. 2017ZX10303404-002-006).

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HXH performed the experiments. HXH and DZ wrote the manuscript and prepared the figures. DZ, LM, and BS participated in data analyses. YS and CLZ conceived the idea and coordinated the project. All authors have read and approved the final version of the manuscript for submission.

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Correspondence to Yan Sun.

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The authors declare that they have no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Hu, HX., Zhou, D., Ma, L. et al. Lipase is associated with deltamethrin resistance in Culex pipiens pallens. Parasitol Res 119, 23–30 (2020). https://doi.org/10.1007/s00436-019-06489-2

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  • DOI: https://doi.org/10.1007/s00436-019-06489-2

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