Construction and analysis of competing endogenous RNA ceRNA networks in the liver of black rockfish (Sebastes schlegelii) following Aeromonas salmonicida infection
2024
Xiantong Liu | Ningning Wang | Haohui Yu | Xiaoyan Zhang | Min Cao | Chao Li
Given the dual roles in immune function and metabolism, the liver emerge as a compelling candidate to bridge host defense and metabolic adjustments during pathogen infections in teleosts. In order to dissect the roles of the liver in the immune response of Sebastes schlegelii, we conducted an investigation into the activities of SOD, CAT and GPX4, performed a systematic analysis of circRNA, miRNA and mRNA expression profiles, as well as constructed circRNA-miRNA-mRNA regulatory networks in the liver of S. schlegelii following Aeromonas salmonicida infection were performed in the present study. The present results demonstrated the content of SOD, CAT and GPX4 increased significantly at early infection stage to protect the liver tissue from excessive damage. Additionally, 622 circRNA-miRNAs pairs, 78 miRNA-mRNA pairs and 327 circRNA-miRNA-mRNA pairs were identified in our study. These differently expressed circRNAs and miRNAs were found to be associated with the regulation of LMNB1, DMBT1, NAMPT, IFIT1, CELSRs, PYGL. GO and KEGG enrichment analysis revealed that these differently expressed genes were involved in TLR signal pathway, RLRs signal pathway, PPAR signal pathway, shedding light on antibacterial ceRNA networks within the liver of S. schlegelii post A. hydrophila post infection, which provides new insights into the immune mechanisms of teleost.
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