The cytosolic sulfotransferase gene TcSULT1 is involved in deltamethrin tolerance and regulated by CncC in Tribolium castaneum.

Xin Xu, Xiangkun Meng, Nan Zhang, Heng Jiang, Huichen Ge, Kun Qian, Jianjun Wang

Pesticide biochemistry and physiology 2021 Aug

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The sulfuryl transfer reaction catalyzed by cytosolic sulfotransferase (SULT) is one of the major conjugating pathways responsible for the detoxification and subsequent elimination of xenobiotics, however, functional characterization of insect SULTs is still limited. In this study, cDNA encoding a cytosolic sulfotransferase, named TcSULT1, was cloned from the red flour beetle, Tribolium castaneum. Sequence analysis revealed that TcSULT1 had the conserved signature sequences of SULTs, and shared moderate amino acid identities with Bombyx mori and Drosophila SULTs. Analysis of the transcription level showed that TcSULT1 was highly expressed in head, epidermis and malpighian tube, and upregulated at 4 h after exposure to deltamethrin. Knockdown of TcSULT1 significantly increased the susceptibility of beetles to deltamethrin. Both RNAi and dual-luciferase assay revealed that the transcription factor TcCncC regulates the expression of TcSULT1. These data provides insights into the function and regulatory mechanism of insect SULTs. Copyright © 2021. Published by Elsevier Inc.

Citation

Xin Xu, Xiangkun Meng, Nan Zhang, Heng Jiang, Huichen Ge, Kun Qian, Jianjun Wang. The cytosolic sulfotransferase gene TcSULT1 is involved in deltamethrin tolerance and regulated by CncC in Tribolium castaneum. Pesticide biochemistry and physiology. 2021 Aug;177:104905