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Bacteriophages in Gut Samples From Pediatric Crohn’s Disease Patients: Metagenomic Analysis Using 454 Pyrosequencing

Open access
Wagner, Josef, Maksimovic, Jovana, Farries, Gabriella, Sim, Winnie H., Bishop, Ruth F., Cameron, Donald J., Catto-Smith, Anthony G., Kirkwood, Carl D.·2013·Inflammatory Bowel Diseases

Abstract

BACKGROUND: The role of bacteriophage in Crohn's disease (CD) is unknown. This study investigated the abundance of phages in ileal and colonic samples from pediatric CD patients and controls. METHODS: Ileal and colonic biopsies from 6 CD patients, gut wash samples from 3 CD patients, and ileal biopsies from 6 noninflammatory bowel disease patients (controls) were analyzed for the presence of bacteriophage using 454 high-throughput pyrosequencing. A sequence-independent single-primer amplification method was used to amplify viral sequences. RESULTS: A total of 186,143 high quality reads were obtained from the 4 sample populations. Contigs and sequence clusters (generated from unassembled singletons) were aligned with sequences from the National Center for Biotechnology Information viral reference database and analyzed by MEGAN. The largest number of viral hits was obtained from the CD gut wash samples (n = 691), followed by CD ileal samples (n = 52), control ileum samples (n = 20), and CD colonic samples (n = 1). The most abundant virus sequences identified belonged to the Caudovirales phage. CONCLUSIONS: Our study characterized a diverse phage community in the gut of CD patients. In this study, we have identified differences in phage composition between CD patients and control individuals. The large abundance of phages in CD ileum tissue and CD gut wash sample suggests a role of phage in CD development. The role of phage dysbiosis in CD is currently unknown but opens up a new area of research.

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Metadata

Authors
Wagner, J., Maksimovic, J., Farries, G., Sim, W. H., Bishop, R. F., Cameron, D. J., Catto-Smith, A. G., & Kirkwood, C. D.
Venue
Inflammatory Bowel Diseases
Published
2013-07
Volume
19
Issue
8
Pages
1598-1608
ISSN
1078-0998 (ISSN-L)
OpenAlex
W1998505107
Cited by
160
References
8
FWCI
7.77
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Bacteriophages in Gut Samples From Pediatric Crohn’s Disease Patients: Metagenomic Analysis Using 454 Pyrosequencing. https://app.cochat.ai/papers/10.1097/mib.0b013e318292477c
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Wagner, J., Maksimovic, J., Farries, G., Sim, W. H., Bishop, R. F., Cameron, D. J., Catto-Smith, A. G., & Kirkwood, C. D. (2013). Bacteriophages in Gut Samples From Pediatric Crohn’s Disease Patients: Metagenomic Analysis Using 454 Pyrosequencing. Inflammatory Bowel Diseases. https://doi.org/10.1097/mib.0b013e318292477c

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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