Genomic organization and expression pattern of cytochrome P450 genes in the wolf spider Pardosa pseudoannulata
2021
Wang, Yunchao | Tian, Jiahua | Han, Qianqian | Zhang, Yixi | Liu, Zewen
As one of the dominant natural enemies for insect pests, the pond wolf spider, Pardosa pseudoannulata, plays important roles in pest control. Insecticide applications threaten P. pseudoannulata and consequently weaken its control effects. The roles of P450 monooxygenases in insecticide detoxifications have been richly reported in insects, but there are few reported in spiders. In this study, 120 transcripts encoding P. pseudoannulata P450s were identified based on whole genome sequencing. Compared to P450s of Aedes aegypti and Nilaparvata lugens, several novel P450 families were found, such as CYP3310. KEGG analysis of the CYP3310 family indicated that the family might be involved in the synthesis and metabolism of polyunsaturated fatty acids and hydrocarbons. The potential P450s involved in insecticide metabolism were obtained according to the high FPKM values in fat bodies based on transcriptome sequencing. However, none of the selected P450 genes was significantly upregulated by the treatments of deltamethrin or imidacloprid. The present study provides genomic and transcriptomic information of spider P450s, especially for their roles in the synthesis and metabolism of endogenous and exogenous compounds, such as polyunsaturated fatty acids, hydrocarbons and insecticides.
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