Comparative proteomic profiles of Schistosoma japonicum male worms derived from single-sex and bisexual infections

文献类型： 外文期刊

第一作者： Zhong, Haoran

作者： Zhong, Haoran;Wu, Luobin;Ren, Yuqi;Qin, Fanglin;Jin, Yamei;Zhong, Haoran;Wu, Luobin;Ren, Yuqi;Qin, Fanglin;Jin, Yamei;Wu, Luobin;Qin, Fanglin

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关键词： Schistosoma japonicum; Male worms; Proteomics; Differentially expressed proteins

期刊名称：INTERNATIONAL JOURNAL FOR PARASITOLOGY （ 影响因子：4.0； 五年影响因子：3.8 ）

ISSN： 0020-7519

年卷期： 2022 年 52 卷 13-14 期

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收录情况： SCI

摘要： Schistosomiasis, which is caused by parasitic schistosomes, remains the second most prevalent parasitic disease of mammals worldwide. To successfully maintain fecundity, schistosomes have evolved a lifecycle that involves the cooperation of morphologically distinct male and female forms. Eggs produced by worm pairs are vital to the lifecycle of the parasite and are responsible for pathogenesis. Understanding the reproductive mechanism of schistosomes will help to control infection. In this study, the proteomic profiles of single-sex infected male (SM) worms and bisexual infected mated male (MM) worms of Schistosoma japonicum at 18, 21, 23, and 25 days p.i. were identified through data-independent acquisition. In total, 674 differentially expressed proteins (DEPs) were identified for the SM and MM worms at all four timepoints. Bioinformatic analysis demonstrated that most of the DEPs were involved in biosynthetic processes including locomotion, cell growth and death, cell motility, and metabolic processes such as protein metabolism and glucose metabolism. Schistosoma japonicum glycosyltransferase (SjGT) and S. japonicum nicastrin protein (SjNCSTN) were selected for quantitative real time PCR analysis and long-term interference with small interfering RNA (siRNA) to further explore the functions of the DEPs. Sjgt mRNA expression was mainly enriched in male worms, while Sjncstn was enriched in both sexes. siRNA against SjGT and SjNCSTN resulted in minor morphological changes in the testes of male worms and significant decreased vitality and fertility. The present study provides comprehensive proteomic profiles of S. japonicum SM and MM worms at 18, 21, 23, and 25 days p.i. and offers insights into the mechanisms underlying the growth and maturation of schistosomes. (c) 2022 Australian Society for Parasitology. Published by Elsevier Ltd. All rights reserved.

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