College of Plant Science, Jilin University, Changchun 130062, PR China.
J Agric Food Chem. 2023 Oct 11;71(40):14517-14526. doi: 10.1021/acs.jafc.3c04865. Epub 2023 Sep 29.
Cytochrome P450 plays vital roles in detoxifying xenobiotics. In this study, and expression in the fat body and , , , and expression in the Malpighian tubules were significantly upregulated after cyantraniliprole exposure, and and expression levels were simultaneously increased in the Malpighian tubules after gossypol treatment. ectopically expressing candidate P450 genes showed that , , , and conferred cyantraniliprole tolerance. The overexpression of and in increased the number of eggs laid under the gossypol treatment. Moreover, the knockdown of , , , and increased mortality under the cyantraniliprole treatment. Homology modeling and molecular docking results suggested that candidate P450 has the potential to bind with cyantraniliprole. These results indicate that the CYP3 and CYP4 genes participate in cyantraniliprole detoxification and that may be simultaneously involved in the gossypol tolerance of .
细胞色素 P450 在解毒外来物质方面发挥着重要作用。在这项研究中,氰氟虫腙暴露后,脂肪体中的 和 表达和马氏管中的 、 、 和 表达显著上调,而棉酚处理后马氏管中的 和 表达水平同时增加。候选 P450 基因的异位表达表明 、 、 和 赋予了氰氟虫腙耐受性。在棉酚处理下, 过表达和 增加了产卵量。此外, 、 、 和 的敲低增加了氰氟虫腙处理下 的死亡率。同源建模和分子对接结果表明候选 P450 具有与氰氟虫腙结合的潜力。这些结果表明 CYP3 和 CYP4 基因参与了氰氟虫腙解毒,而 可能同时参与了 的棉酚耐受性。