ArticleOpen biology2013
Assessment of viral community functional potential from viral metagenomes may be hampered by contamination with cellular sequences.
Article in Open biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers.
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Who cites it
88 citing papers in PubMed, 161 citations in OpenAlex.
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- Bifidobacteria define gut microbiome profiles of golden lion tamarin (Leontopithecus rosalia) and marmoset (Callithrix sp.) metagenomic shotgun pools.Scientific reports · 2023Article
- Expanding known viral diversity in the healthy infant gut.Nature microbiology · 2023Article
- Gauge your phage: benchmarking of bacteriophage identification tools in metagenomic sequencing data.Microbiome · 2023Article
28 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although the importance of viruses in natural ecosystems is widely acknowledged, the functional potential of viral communities is yet to be determined. Viral genomes are traditionally believed to carry only those genes that are directly pertinent to the viral life cycle, though this view was challenged by the discovery of metabolism genes in several phage genomes. Metagenomic approaches extended these analyses to a community scale, and several studies concluded that microbial and viral communities encompass similar functional potentials. However, these conclusions could originate from the presence of cellular DNA within viral metagenomes. We developed a computational method to estimate the proportion and origin of cellular sequences in a set of 67 published viromes. A quarter of the datasets were found to contain a substantial amount of sequences originating from cellular genomes. When considering only viromes with no cellular DNA detected, the functional potential of viral and microbial communities was found to be fundamentally different-a conclusion more consistent with the actual picture drawn from known viruses. Yet a significant number of cellular metabolism genes was still retrieved in these viromes, suggesting that the presence of auxiliary genes involved in various metabolic pathways within viral genomes is a general trend in the virosphere.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.