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Unveiling CRESS DNA Virus Diversity in Oysters by Virome

文献类型： 外文期刊

作者： Zhu, Peng 1 ; Liu, Chang 2 ; Liu, Guang-Feng 2 ; Liu, Hong 3 ; Xie, Ke-Ming 2 ; Zhang, Hong-Sai 1 ; Xu, Xin 6 ; Xiao, Jian 6 ; Jiang, Jing-Zhe 1 ;

作者机构： 1.Shanghai Ocean Univ, Coll Oceanog & Ecol Sci, Shanghai 201306, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploita, Minist Agr & Rural Affairs, Guangzhou 510000, Peoples R China

3.Shenzhen Customs, Anim & Plant Inspect & Quarantine Technol Ctr, Shenzhen 518000, Peoples R China

4.Sun Yat Sen Univ, Sch Marine Sci, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519000, Peoples R China

5.Guangdong Pharmaceut Univ, Sch Life Sci & Biopharm, Guangzhou 510000, Peoples R China

6.Livestock Aquaculture & Technol Promot & Serv Ctr, Guangzhou 510000, Peoples R China

关键词： oyster; virome; CRESS DNA virus; phylogenetic tree; Rep; Cap

期刊名称：VIRUSES-BASEL （ 影响因子：4.7； 五年影响因子：4.8 ）

ISSN：

年卷期： 2024 年 16 卷 2 期

页码：

收录情况： SCI

摘要： Oysters that filter feed can accumulate numerous pathogens, including viruses, which can serve as a valuable viral repository. As oyster farming becomes more prevalent, concerns are mounting about diseases that can harm both cultivated and wild oysters. Unfortunately, there is a lack of research on the viruses and other factors that can cause illness in shellfish. This means that it is harder to find ways to prevent these diseases and protect the oysters. This is part of a previously started project, the Dataset of Oyster Virome, in which we further study 30 almost complete genomes of oyster-associated CRESS DNA viruses. The replication-associated proteins and capsid proteins found in CRESS DNA viruses display varying evolutionary rates and frequently undergo recombination. Additionally, some CRESS DNA viruses have the capability for cross-species transmission. A plethora of unclassified CRESS DNA viruses are detectable in transcriptome libraries, exhibiting higher levels of transcriptional activity than those found in metagenome libraries. The study significantly enhances our understanding of the diversity of oyster-associated CRESS DNA viruses, emphasizing the widespread presence of CRESS DNA viruses in the natural environment and the substantial portion of CRESS DNA viruses that remain unidentified. This study's findings provide a basis for further research on the biological and ecological roles of viruses in oysters and their environment.

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