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Effect of chlorpyrifos on the expression and regulation of salivary gland protein of Haemaphysalis longicornis

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posted on 2023-05-26, 08:20 authored by Xiaomin Xue, Ningmei Wang, Jingyi Ma, Aimeng Ji, Han Wang, Mengxue Li, Xiaohan Di, Jingze Liu, Hui Wang

The aim of this study is to explore the detoxification and homoeostasis functions of salivary glands, and to look for possible target proteins of new drugs for tick prevention and treatment. Different concentrations of chlorpyrifos to deal with the semi-engorged female Haemaphysalis longicornis, through the DIA quantitative proteomics method to quantitatively determine of all the proteins in the salivary glands, and through a variety of the depth of the bioinformatics methods for protein analysis and function mining, explain the molecular mechanism of detoxification function of salivary glands. Quantitative information from 5 normal groups and 8 different treatment groups showed that a total of 3152 proteins were identified. The expression levels of these proteins changed with the chlorpyrifos different concentration and treatment times. However, after the overall analysis, it was found that after the action of chlorpyrifos, the proteins involved in detoxification, such as glutathione S-transferase and glutamine synthetase, the heat shock proteins involved in stress, and the acid sphingomyelinase involved in maintaining the body’s homoeostasis had corresponding changes. We found and explained the functions of detoxification, stress, and homoeostasis of salivary glands. The regulatory strategies of proteins that played a key role in these functions were explored.


This project was supported by the Natural Science Foundation of Hebei Province of China [No.C2021205006], and the Science and Technology Project of Hebei Education Department [No.ZD2021064].