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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

作者: Gong, Chunguang 1 ; Zhang, Yitong 1 ; Wang, Guixing 1 ; Liu, Yufeng 1 ; He, Zhongwei 1 ; Ren, Yuqin 1 ; Cao, Wei 1 ; Zhao, Haitao 3 ; Xu, Yuhao 2 ; Wang, Yufen 1 ; Hou, Jilun 1 ;

作者机构: 1.Chinese Acad Fishery Sci, Hebei Key Lab Bohai Sea Fish Germplasm Resources, Beidaihe Cent Expt Stn, Qinhuangdao 066100, Hebei, Peoples R China

2.Agr Univ Hebei, Ocean Coll, Qinhuangdao 066000, Hebei, Peoples R China

3.Hebei Ocean & Fisheries Sci Res Inst, Qinhuangdao 066000, Hebei, Peoples R China

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 )

ISSN:

年卷期: 2022 年 14 卷 6 期

页码:

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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