MiR-130c-5p targets the snakehead vesicular virus g gene to inhibit viral proliferation
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Q 786;S 942.5

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Open Project of Key Laboratory of Pearl River Research Institute, Chinese Academy of Fisheries Sciences; Scientific Research Program of Wuhan Customs; National Natural Science Foundation of China

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    Abstract:

    In order to investigate the targeting relationship of miR-130c-5p to the potential target gene g in snakehead vesiculovirus (SHVV) infection and its effect on viral replication, the changes of viral gene and protein levels and miR-130c-5p in SHVV were determined in this study by quantitative real-time PCR (qRT-PCR) and Western blot techniques using channel catfish ovary (CCO) as experimental materials. In addition, the target sequence corresponding to miR-130c-5p on the g gene of SHVV was cloned into the plasmid pmirGLO, and the plasmid pmirGLO-G was constructed for dual luciferase reporter assay for target gene verification. The results showed that the expression levels of miR-130c-5p and g genes were significantly up-regulated with the increasing time and dose of SHVV infection. Further experiments showed that co-transfection of miR-130c-5p mimic and pmirGLO-G plasmid significantly inhibited luciferase activity, while transfection of miR-130c-5p inhibitor significantly up-regulated the fluorescence signal of pmirGLO-G reporter vector. In addition, overexpression of miR-130c-5p significantly reduced the mRNA and protein expression of the viral g gene, while inhibition of miR-130c-5p up-regulated the mRNA and protein expression levels of the g gene. The results showed that miR-130c-5p inhibited the proliferation of SHVV by targeting the g gene of SHVV and causing the degradation of G protein. The results of this study provide an important basis for understanding the pathogenic mechanism of microRNA regulation of SHVVV, and provide theoretical support for the development of anti-SHVV vaccines and other drugs.

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JI Yan, ZHOU Xuan, YU Yongyao, LIU Xiaodan, ZHANG Chi, LIN Qiang. MiR-130c-5p targets the snakehead vesicular virus g gene to inhibit viral proliferation[J]. Journal of Fisheries of China,2024,48(5):059402

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History
  • Received:January 06,2024
  • Revised:April 06,2024
  • Adopted:April 10,2024
  • Online: May 22,2024
  • Published: