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Kallies, R.* ; Hu, D.* ; Abdulkadir, N.* ; Schloter, M. ; Rocha, U.*

Identification of huge phages from wastewater metagenomes.

Viruses 15:2330 (2023)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Huge phages have genomes larger than 200 kilobases, which are particularly interesting for their genetic inventory and evolution. We screened 165 wastewater metagenomes for the presence of viral sequences. After identifying over 600 potential huge phage genomes, we reduced the dataset using manual curation by excluding viral contigs that did not contain viral protein-coding genes or consisted of concatemers of several small phage genomes. This dataset showed seven fully annotated huge phage genomes. The phages grouped into distinct phylogenetic clades, likely forming new genera and families. A phylogenomic analysis between our huge phages and phages with smaller genomes, i.e., less than 200 kb, supported the hypothesis that huge phages have undergone convergent evolution. The genomes contained typical phage protein-coding genes, sequential gene cassettes for metabolic pathways, and complete inventories of tRNA genes covering all standard and rare amino acids. Our study showed a pipeline for huge phage analyses that may lead to new enzymes for therapeutic or biotechnological applications.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Huge Phage ; Metagenome ; Viral Metagenomics ; Virus Genome Annotation ; Virus Phylogeny ; Wastewater; Comparative Genomics; Marine Viruses; Human Gut; Bacteriophages; Evolution; Search; Resource; Tree; Tool
Sprache englisch
Veröffentlichungsjahr 2023
HGF-Berichtsjahr 2023
ISSN (print) / ISBN 1999-4915
e-ISSN 1999-4915
Zeitschrift Viruses
Quellenangaben Band: 15, Heft: 12, Seiten: , Artikelnummer: 2330 Supplement: ,
Verlag MDPI
Verlagsort St Alban-anlage 66, Ch-4052 Basel, Switzerland
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Comparative Microbiome Analysis (COMI)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504700-001
Förderungen Deutsche Forschungsgemeinschaft under NFDI4Microbiota consortium
DOI 10.3390/v15122330
WOS ID 001131236300001
Scopus ID 85180504237
PubMed ID 38140571
Erfassungsdatum 2024-01-09
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