Diversity and ecological potentials of viral assemblages from the seamount sediments of the Northwest Pacific Ocean

Ying Chen; Chen Gao; Qian Liu; Yantao Liang; Mingyan Lai; Fuyue Ge; Kaiyang Zheng; Hao Yu; Hongbing Shao; Andrew McMinn; Min Wang

doi:10.59717/j.xinn-geo.2024.100088

The Innovation Geoscience > 2024 Vol. 2 > No. 3 > 100088

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Diversity and ecological potentials of viral assemblages from the seamount sediments of the Northwest Pacific Ocean

1.
Frontiers Science Center for Deep Ocean Multispheres and Earth System, College of Marine Life Sciences, Institute of Evolution and Marine Biodiversity, MOE Key Laboratory of Evolution and Marine Biodiversity, Center for Ocean Carbon Neutrality, Ocean University of China, Qingdao 266100, China
2.
Haide College, Ocean University of China, Qingdao 266100, China
3.
Key Laboratory of Marine Ecosystem Dynamics Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
4.
UMT-OUC Joint Academic Centre for Marine Studies, Qingdao 266003, China
5.
Institute for Marine and Antarctic Studies, University of Tasmania, Hobart 7001, Australia
6.
The Affiliated Hospital of Qingdao University, Qingdao 266000, China
7.
These authors contributed equally

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Corresponding authors: liuqian@sio.org.cn (Q.L.); liangyantao@ouc.edu.cn (Y.L.); mingwang@ouc.edu.cn (M.W.)
Received Date: November 08, 2023

Accepted Date: July 13, 2024

Published Online: July 28, 2024

The Innovation Geoscience 2(3), https://doi.org/10.59717/j.xinn-geo.2024.100088 | Cite this article

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PUBLIC SUMMARY

PUBLIC SUMMARY
1. Seamount sediments harbor diverse viruses, cobalt-rich crust influent the virus communities.
  
  Nitrososphaeria was one of the major hosts of seamount sediment viruses.
  
  Viruses from cobalt-rich crusts are enriched with auxiliary metabolic genes for heme and cobalamin metabolism.

ABSTRACT

ABSTRACT

Viruses are the most abundant life forms in the sea, influencing the community structure and metabolism of host cells and biogeochemical cycles. However, the diversity of viruses and their ecological roles within seamount sediments ecosystems, natural microbiota havens characterized by high biodiversity, remain largely unknown. Here, the seamount viral genome (SMVG) dataset, based on a metagenomic analysis of twelve seamount sediment samples collected from the seamount regions of the Northwest Pacific Ocean, was established. A total of 78,069 viral operational taxonomic units (vOTUs) were found, spanning 18 viral classes and 63 viral families. The detection of sixteen viral auxiliary metabolic genes (AMGs) suggests that viruses may participate in the metabolic processes associated with sediment microbial communities and biogeochemical cycles, including carbon, sulfur, metal, heme, and cobalamin cycling. AMGs involved in the metabolism of heme, cobalamin, and metals were more often detected in seamount sediments than in trenches, cool seeps, and hydrothermal vents. This investigation of the viral communities in these seamount sediments provides new insights into the high diversity and ecological potential of the viruses and establishes a foundation for the future study of benthic viruses from deep-sea seamounts.

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Chen Y., Gao C., Liu Q., et al., (2024). Diversity and ecological potentials of viral assemblages from the seamount sediments of the Northwest Pacific Ocean. The Innovation Geoscience 2(3): 100088. https://doi.org/10.59717/j.xinn-geo.2024.100088

Chen Y., Gao C., Liu Q., et al., (2024). Diversity and ecological potentials of viral assemblages from the seamount sediments of the Northwest Pacific Ocean. The Innovation Geoscience 2(3): 100088. https://doi.org/10.59717/j.xinn-geo.2024.100088

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Diversity and ecological potentials of viral assemblages from the seamount sediments of the Northwest Pacific Ocean

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