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A remarkably diverse and well-organized virus community in a filter-feeding oyster

文献类型： 外文期刊

作者： Jiang, Jing-Zhe 1 ; Fang, Yi-Fei 2 ; Wei, Hong-Ying 2 ; Zhu, Peng 2 ; Liu, Min 2 ; Yuan, Wen-Guang 3 ; Yang, Li-Ling 4 ; Guo, Ying-Xiang 4 ; Jin, Tao 6 ; Shi, Mang 7 ; Yao, Tuo 1 ; Lu, Jie 1 ; Ye, Ling-Tong 1 ; Shi, Shao-Kun 8 ; Wang, Meng 9 ; Duan, Ming 10 ; Zhang, Dian-Chang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploita, Minist Agr & Rural Affairs, Guangzhou 510300, Guangdong, Peoples R China

2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

3.Guangdong Pharmaceut Univ, Sch Biosci & Biopharmaceut, Guangdong Prov Key Lab Biotechnol Drug Candidates, Guangzhou 510006, Guangdong, Peoples R China

4.Tianjin Agr Univ, Tianjin 300384, Peoples R China

5.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China

6.Guangdong Magigene Biotechnol Co Ltd, Guangzhou 510000, Guangdong, Peoples R China

7.Sun Yat Sen Univ, Sch Med, Shenzhen 518107, Guangdong, Peoples R China

8.Shenzhen Fisheries Dev Res Ctr, Shenzhen 518067, Guangdong, Peoples R China

9.Bur Agr & Rural Affairs Conghua Dist, Guangzhou 510925, Guangdong, Peoples R China

10.Shanghai Majorbio Biopharm Technol Co Ltd, Shanghai 201203, Peoples R China

关键词： Crassostrea hongkongensis; Bivalve; Mollusk; Metagenome; Circovirus; Viral-like particle enrichment; Mussel Watch; Multiple displacement amplification

期刊名称：MICROBIOME （ 影响因子：15.5； 五年影响因子：19.4 ）

ISSN： 2049-2618

年卷期： 2023 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Background Viruses play critical roles in the marine environment because of their interactions with an extremely broad range of potential hosts. Many studies of viruses in seawater have been published, but viruses that inhabit marine animals have been largely neglected. Oysters are keystone species in coastal ecosystems, yet as filter-feeding bivalves with very large roosting numbers and species co-habitation, it is not clear what role they play in marine virus transmission and coastal microbiome regulation.Results Here, we report a Dataset of Oyster Virome (DOV) that contains 728,784 nonredundant viral operational taxonomic unit contigs (& GE; 800 bp) and 3473 high-quality viral genomes, enabling the first comprehensive overview of both DNA and RNA viral communities in the oyster Crassostrea hongkongensis. We discovered tremendous diversity among novel viruses that inhabit this oyster using multiple approaches, including reads recruitment, viral operational taxonomic units, and high-quality virus genomes. Our results show that these viruses are very different from viruses in the oceans or other habitats. In particular, the high diversity of novel circoviruses that we found in the oysters indicates that oysters may be potential hotspots for circoviruses. Notably, the viruses that were enriched in oysters are not random but are well-organized communities that can respond to changes in the health state of the host and the external environment at both compositional and functional levels.Conclusions In this study, we generated a first "knowledge landscape " of the oyster virome, which has increased the number of known oyster-related viruses by tens of thousands. Our results suggest that oysters provide a unique habitat that is different from that of seawater, and highlight the importance of filter-feeding bivalves for marine virus exploration as well as their essential but still invisible roles in regulating marine ecosystems.

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