2021
DOI: 10.1038/s41396-021-00932-y
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Deep sea sediments associated with cold seeps are a subsurface reservoir of viral diversity

Abstract: In marine ecosystems, viruses exert control on the composition and metabolism of microbial communities, influencing overall biogeochemical cycling. Deep sea sediments associated with cold seeps are known to host taxonomically diverse microbial communities, but little is known about viruses infecting these microorganisms. Here, we probed metagenomes from seven geographically diverse cold seeps across global oceans to assess viral diversity, virus–host interaction, and virus-encoded auxiliary metabolic genes (AM… Show more

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Cited by 156 publications
(174 citation statements)
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“…A similar phenomenon was also observed in this study ( Fig. 2d and e ) and many other deep-sea sediments ( 41 44 ). Besides Caudovirales , some MTS viral scaffolds and genes were taxonomically assigned to NCLDVs, which include the families Phycodnaviridae , Marseilleviridae , Ascoviridae , and Mimiviridae ( Fig.…”
Section: Discussionsupporting
confidence: 91%
“…A similar phenomenon was also observed in this study ( Fig. 2d and e ) and many other deep-sea sediments ( 41 44 ). Besides Caudovirales , some MTS viral scaffolds and genes were taxonomically assigned to NCLDVs, which include the families Phycodnaviridae , Marseilleviridae , Ascoviridae , and Mimiviridae ( Fig.…”
Section: Discussionsupporting
confidence: 91%
“…Three hundred fifty-eight of 4,560 vOTUs could be linked to putative hosts, which represents 13.5% of the viral abundance in the six viromes of three lakes. This abundance is lower than in other environments, such as cold, deep-sea seep sediments, suggesting the uniqueness of the viral and microbial communities in the Qinghai-Tibet Plateau lakes (Li et al, 2021). Although most predicted vOTUs were linked to Bacteroidetes (90), Gammaproteobacteria (73), and other bacteria (51), the most abundant vOTUs (35.5% in relative abundance) were linked to Alphaproteobacteria, including the most abundant vOTU (vOTU_1374).…”
Section: Qinghai-tibet Plateau Harbor Unique Alpine and Saline-alkaline Viral Assemblagesmentioning
confidence: 96%
“…After comparing sequence similarity, tRNA sequences, CRISPR spacers, and oligonucleotide frequencies between prokaryotic metagenome-assembled genomes and vOTUs, putative hosts were predicted for 358 vOTUs of the six viromes (Figure 4), accounting for a relative abundance of 13.5% (Li et al, 2021). Most of the predicted vOTUs had narrow host ranges, with only 11 potentially exhibiting a broader host range across several classes.…”
Section: Host Prediction Of Virusesmentioning
confidence: 99%
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