The Isolation and Full-Length Transcriptome Sequencing of a Novel Nidovirus and Response of Its Infection in Japanese Flounder (Paralichthys olivaceus)

文献类型： 外文期刊

第一作者： Gong, Chunguang

作者： Gong, Chunguang;Zhang, Yitong;Wang, Guixing;Liu, Yufeng;He, Zhongwei;Ren, Yuqin;Cao, Wei;Wang, Yufen;Hou, Jilun;Gong, Chunguang;Xu, Yuhao;Zhao, Haitao

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关键词： marine fish; viral genome; metabolism; alternative splicing; isoform sequencing

期刊名称：VIRUSES-BASEL （ 影响因子：5.818； 五年影响因子：5.811 ）

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年卷期： 2022 年 14 卷 6 期

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收录情况： SCI

摘要： A novel nidovirus, CSBV Bces-Po19, was isolated from the marine fish, Japanese flounder (Paralichthys olivaceus). The viral genome was 26,597 nucleotides long and shared 98.62% nucleotide identity with CSBV WHQSR4345. PacBio Sequel and Illumina sequencing were used to perform full-length transcriptome sequencing on CSBV Bces-Po19-sensitive (S) and -resistant (R) Japanese flounder. The results of negative staining revealed bacilliform and spherical virions. There were in total 1444 different genes between CSBV Bces-Po19 S and R groups, with 935 being up-regulated and 513 being down-regulated. Metabolism-, immune-, and RNA-related pathways were significantly enriched. Furthermore, CSBV Bces-Po19 infection induced alternative splicing (AS) events in Japanese flounder; the S group had a higher numbers of AS events (12,352) than the R group (11,452). The number of long non-coding RNA (lncRNA) in the S group, on the other hand, was significantly lower than in the R group. In addition to providing valuable information that sheds more light on CSBV Bces-Po19 infection, these research findings provide further clues for CSBV Bces-Po19 prevention and treatment.

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