Document Detail


The human gut virome: inter-individual variation and dynamic response to diet.
MedLine Citation:
PMID:  21880779     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Immense populations of viruses are present in the human gut and other body sites. Understanding the role of these populations (the human "virome") in health and disease requires a much deeper understanding of their composition and dynamics in the face of environmental perturbation. Here, we investigate viromes from human subjects on a controlled feeding regimen. Longitudinal fecal samples were analyzed by metagenomic sequencing of DNA from virus-like particles (VLP) and total microbial communities. Assembly of 336 Mb of VLP sequence yielded 7175 contigs, many identifiable as complete or partial bacteriophage genomes. Contigs were rich in viral functions required in lytic and lysogenic growth, as well as unexpected functions such as viral CRISPR arrays and genes for antibiotic resistance. The largest source of variance among virome samples was interpersonal variation. Parallel deep-sequencing analysis of bacterial populations showed covaration of the virome with the larger microbiome. The dietary intervention was associated with a change in the virome community to a new state, in which individuals on the same diet converged. Thus these data provide an overview of the composition of the human gut virome and associate virome structure with diet.
Authors:
Samuel Minot; Rohini Sinha; Jun Chen; Hongzhe Li; Sue A Keilbaugh; Gary D Wu; James D Lewis; Frederic D Bushman
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2011-08-31
Journal Detail:
Title:  Genome research     Volume:  21     ISSN:  1549-5469     ISO Abbreviation:  Genome Res.     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-03     Completed Date:  2012-01-23     Revised Date:  2012-04-02    
Medline Journal Info:
Nlm Unique ID:  9518021     Medline TA:  Genome Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1616-25     Citation Subset:  IM    
Affiliation:
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Bacteria / virology
Bacteriophages / genetics*
Contig Mapping
Diet, Fat-Restricted*
Diet, High-Fat*
Drug Resistance, Bacterial
Feces / microbiology,  virology
Gastrointestinal Tract / microbiology*,  virology
Genes, Bacterial
Genes, Viral
High-Throughput Nucleotide Sequencing
Humans
Metagenome
Open Reading Frames
RNA, Ribosomal, 16S / genetics
Repetitive Sequences, Nucleic Acid
Sequence Analysis, DNA
Virion / isolation & purification
Young Adult
Grant Support
ID/Acronym/Agency:
AI39368/AI/NIAID NIH HHS; P30 DK050306/DK/NIDDK NIH HHS; S10RR024525/RR/NCRR NIH HHS; UL1RR024134/RR/NCRR NIH HHS
Chemical
Reg. No./Substance:
0/RNA, Ribosomal, 16S

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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