ArticleEnvironmental science & technology2024
Viral Communities Contribute More to the Lysis of Antibiotic-Resistant Bacteria than the Transduction of Antibiotic Resistance Genes in Anaerobic Digestion Revealed by Metagenomics.
Article in Environmental science & technology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Insights Gained by High-throughput Chromosome Conformation Capture (Hi-C) into the Viral Modulation of Methane Production in Anaerobic Digestion.Environmental science & technology · 2026Article
- Article
- Positive bacteria-phage interactions drive sulfamethoxazole removal.Environmental science and ecotechnology · 2026Article
- Cigarette Butts as an Emerging Urban Habitat Driving Microbial Niche Differentiation.Research (Washington, D.C.) · 2026Article
- Microbial interactions as the key to understanding and controlling environmental spread of antibiotic resistance genes.npj antimicrobials and resistance · 2025Article
- Isolation and characterization of multi-drug-resistant Microbacterium esteraromaticum bacteriophage: assessment of antibacterial efficacy and genomic insights.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Combined pesticide pollution enhances the dissemination of the phage-encoded antibiotic resistome in the soil under nitrogen deposition.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Nano-biochar regulates phage-host interactions, reducing antibiotic resistance genes in vermicomposting systems.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Phage therapy for environmental biotechnology applications.Frontiers in microbiology · 2025Review
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ecological role of the viral community on the fate of antibiotic resistance genes (ARGs) (reduction vs proliferation) remains unclear in anaerobic digestion (AD). Metagenomics revealed a dominance of Siphoviridae and Podoviridae among 13,895 identified viral operational taxonomic units (vOTUs) within AD, and only 21 of the vOTUs carried ARGs, which only accounted for 0.57 ± 0.43% of AD antibiotic resistome. Conversely, ARGs locating on plasmids and integrative and conjugative elements accounted for above 61.0%, indicating a substantial potential for conjugation in driving horizontal gene transfer of ARGs within AD. Virus-host prediction based on CRISPR spacer, tRNA, and homology matches indicated that most viruses (80.2%) could not infect across genera. Among 480 high-quality metagenome assembly genomes, 95 carried ARGs and were considered as putative antibiotic-resistant bacteria (pARB). Furthermore, lytic phages of 66 pARBs were identified and devoid of ARGs, and virus/host abundance ratios with an average value of 71.7 indicated extensive viral activity and lysis. The infectivity of lytic phage was also elucidated through laboratory experiments concerning changes of the phage-to-host ratio, pH, and temperature. Although metagenomic evidence for dissemination of ARGs by phage transduction was found, the higher proportion of lytic phages infecting pARBs suggested that the viral community played a greater role in reducing ARB numbers than spreading ARGs in AD.
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