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The composition and antiviral activity of scTRIM59 in Mandarin fish

文献类型: 外文期刊

作者: Niu, Yinjie 1 ; Fu, Xiaozhe 1 ; Lin, Qiang 1 ; Liang, Hongru 1 ; Luo, Xia 1 ; Zuo, Shaozhi 1 ; Liu, Lihui 1 ; Li, Ningqiu 1 ;

作者机构: 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Fishery Drug Dev,Minist Agr & Rural Affai, Guangdong Prov Key Lab Aquat Anim Immunol & Susta, Guangzhou 510380, Peoples R China

关键词: TRIM59; ISKNV; SCRV; Mandarin fish

期刊名称:FISH & SHELLFISH IMMUNOLOGY ( 影响因子:4.622; 五年影响因子:4.799 )

ISSN: 1050-4648

年卷期: 2022 年 130 卷

页码:

收录情况: SCI

摘要: The tripartite motif (TRIM) proteins play critical roles in viral infection by modulating innate immunity. However, the molecular and antiviral activity of TRIM59 in mandrain fish is not fully understood. In present study, we cloned and sequenced the TRIM59 core sequence and explored its characteristics in Mandarin fish. The Siniperca chuatsi TRIM59 (scTRIM59) showed relatively high expression in immune-related organs. scTRIM59 expression was significantly down-regulated post ISKNV infection in vivo and vitro, but up-regulated at the early stages of SCRV infection in CPB cells. The overexpression of scTRIM59 inhibited ISKNV and SCRV infection, but decreased the expression of IRF3/IRF7-mediated signal genes. However, knockdown of scTRIM59 promoted the ISKNV and SCRV infection, but increased the expression of IRF3/IRF7-mediated signal genes. Those results indicated that scTRIM59 negatively regulated ISKNV, SCRV infection and IRF3/IRF7-mediated signal genes. This study provided new ideas about the function of scTRIM59.

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