Cited by 48Bacteriophages and microbial interactionsBacterial Genetics and BiotechnologyGut microbiota and health

A universe of human gut-derived bacterial prophages: unveiling the hidden viral players in intestinal microecology

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Pei, Zhangming, Liu, Yufei, Chen, Yutao, Pan, Tong, Sun, Xihao, Wang, Hongchao, Ross, R. Paul, Lu, Wenwei +1 more·2024·Gut Microbes

Abstract

Prophages, which are an existing form of temperate phages that integrate into host genomes, have been found extensively present in diverse bacterial species. The human gut microbiome, characterized by its complexity, dynamism, and interconnectivity among multiple species, remains inadequately understood in terms of the global landscape of bacterial prophages. Here, we analyzed 43,942 human gut-derived bacterial genomes (439 species of 12 phyla) and identified 105,613 prophage regions in ~ 92% of them. 16254 complete prophages were distributed in ~ 24% of bacteria, indicating an extremely uneven prophage distribution across various species within the human gut. Among all identified prophages, ~4% possessed cross-genera (2-20 genera) integration capacity, while ~ 17% displayed broad infection host ranges (targeting 2-35 genera). Functional gene annotation revealed that antibiotic-resistance genes and toxin-related genes were detected in ~ 2.5% and ~ 5.8% of all prophages, respectively. Furthermore, through sequence alignments between our obtained prophages and publicly available human gut phageome contigs, we have observed that ~ 72% of non-redundant prophages are previously unreported genomes, and they illuminate ~ 6.5-9.5% of the individual intestinal "viral dark matter". Our study represents the first comprehensive depiction of human gut-derived prophages, provides a substantial collection of reference sequences for forthcoming human gut phageome-related investigations, and potentially enables better risk assessment of prophage dissemination.

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Authors
Pei, Z., Liu, Y., Chen, Y., Pan, T., Sun, X., Wang, H., Ross, R. P., Lu, W., & Chen, W.
Affiliations
Jiangnan University (CN)
Corresponding author
Lu, Wenwei
Venue
Gut Microbes
Published
2024-02
Volume
16
Issue
1
Pages
2309684-2309684
ISSN
  • 1949-0976 (ISSN-L)
  • 1949-0984
OpenAlex
W4391451088
Cited by
48
References
62
Citations by year
2026: 25 · 2025: 18 · 2024: 5
FWCI
13.13
Type
journal article
Language
en
Open access
Locations
  • Gut Microbes (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
National Key Research and Development Program of China (2022YFF1100203)
Topics
  • Physical Sciences › Environmental Science › Ecology › Bacteriophages and microbial interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
human gut microbiome, temperate phages, antibiotic resistance genes, toxin genes, viral dark matter, gut phageome
MeSH terms
Gastrointestinal Microbiome, Bacteria, Humans, Phylogeny, Genome, Viral, Genome, Bacterial, Prophages, Host Specificity

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