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Transcriptome Analysis Indicates Immune Responses against Vibrio harveyi in Chinese Tongue Sole (Cynoglossus semilaevis)

文献类型： 外文期刊

作者： Zhang, Xianghui 1 ; Hao, Xiancai 2 ; Ma, Wenxiu 2 ; Zhu, Tengfei 2 ; Zhang, Zhihua 2 ; Wang, Qian 2 ; Liu, Kaiqiang 2 ; Shao, Changwei 2 ; Wang, Hong-Yan 2 ;

作者机构： 1.Dalian Ocean Univ, Coll Marine Technol & Environm, Dalian 116023, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Qingdao 266072, Peoples R China

3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266071, Peoples R China

关键词： Chinese tongue sole; Vibrio harveyi; immune response; transcriptome

期刊名称：ANIMALS （ 影响因子：3.231； 五年影响因子：3.312 ）

ISSN： 2076-2615

年卷期： 2022 年 12 卷 9 期

页码：

收录情况： SCI

摘要： Simple Summary Limited understanding of molecular mechanisms of immune response constrains marine fish farming. Analyzing the dynamic gene expression profile of fish in response to pathogen infection is gaining interest. We analyzed the expression changes of the Chinese tongue sole kidney after Vibrio harveyi infection with a series of transcriptome data. Notably, we observed rapid up-regulation of IL-17, TNF and TLR signaling pathways, indicating treatment measures should be taken in the early stage after infection. We also found a close connection between the immune system and neuroendocrine system, which may be the new strategy to improve immune function. Our research provides insights into disease prevention and treatment in fish farming. Pathogenic infection of fishes is an important constraining factor affecting marine aquaculture. Insufficient understanding of the molecular mechanisms has affected the diagnosis and corresponding treatment. Here, we reported the dynamic changes of gene expression patterns in the Chinese tongue sole kidney at 16 h, 48 h, 72 h and 96 h after Vibrio harveyi infection. In total, 366, 214, 115 and 238 differentially expressed genes were obtained from the 16 h-vs. -C, 48 h-vs. -C, 72 h-vs. -C and 96 h-vs. -C group comparisons, respectively. KEGG enrichment analysis revealed rapid up-regulation of several immune-related pathways, including IL-17, TNF and TLR signaling pathway. More importantly, time-series analyses of transcriptome showed that immune genes were specifically up-regulated in a short period of time and then decreased. The expression levels of chemokines increased after infection and reached a peak at 16 h. Specifically, Jak-STAT signaling pathway played a crucial role in the regulation during Vibrio harveyi infection. In the later stages of infection, genes in the neuroendocrine pathway, such as glucocorticoid-related genes, were activated in the kidney, indicating a close connection between the immune system and neuroendocrine system. Our dynamic transcriptome analyses provided profound insight into the gene expression profile and investigation of immunogenetic mechanisms of Chinese tongue sole.

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