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题名: Whole-Genome Analysis of a Novel Fish Reovirus (MsReV) Discloses Aquareovirus Genomic Structure Relationship with Host in Saline Environments
作者: Chen, Zhong-Yuan1; Gao, Xiao-Chan1; Zhang, Qi-Ya1
关键词: aquareovirus genome ; largemouth bass micropterus salmoides reovirus (MsReV) ; fusion-associated small transmembrane (FAST) protein ; host environments
刊名: VIRUSES-BASEL
发表日期: 2015-08-01
DOI: 10.3390/v7082820
卷: 7, 期:8, 页:4282-4302
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Virology
研究领域[WOS]: Virology
英文摘要: Aquareoviruses are serious pathogens of aquatic animals. Here, genome characterization and functional gene analysis of a novel aquareovirus, largemouth bass Micropterus salmoides reovirus (MsReV), was described. It comprises 11 dsRNA segments (S1-S11) covering 24,024 bp, and encodes 12 putative proteins including the inclusion forming-related protein NS87 and the fusion-associated small transmembrane (FAST) protein NS22. The function of NS22 was confirmed by expression in fish cells. Subsequently, MsReV was compared with two representative aquareoviruses, saltwater fish turbot Scophthalmus maximus reovirus (SMReV) and freshwater fish grass carp reovirus strain 109 (GCReV-109). MsReV NS87 and NS22 genes have the same structure and function with those of SMReV, whereas GCReV-109 is either missing the coiled-coil region in NS79 or the gene-encoding NS22. Significant similarities are also revealed among equivalent genome segments between MsReV and SMReV, but a difference is found between MsReV and GCReV-109. Furthermore, phylogenetic analysis showed that 13 aquareoviruses could be divided into freshwater and saline environments subgroups, and MsReV was closely related to SMReV in saline environments. Consequently, these viruses from hosts in saline environments have more genomic structural similarities than the viruses from hosts in freshwater. This is the first study of the relationships between aquareovirus genomic structure and their host environments.
关键词[WOS]: GRASS CARP REOVIRUS ; RANA-GRYLIO-VIRUS ; FAST PROTEIN ; AQUACULTURE ANIMALS ; GENUS AQUAREOVIRUS ; FAMILY REOVIRIDAE ; ENVELOPE PROTEIN ; SEQUENCE ; CHINA ; IDENTIFICATION
语种: 英语
WOS记录号: WOS:000361604100006
ISSN号: 1999-4915
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27215
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
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