| Inflammation-associated enterotypes, host genotype, cage and inter-individual effects drive gut microbiota variation in common laboratory mice. | |
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MedLine Citation:
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PMID: 23347395 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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ABSTRACT: BACKGROUND: Murine models are a crucial component of gut microbiome research. Unfortunately, a multitude of genetic backgrounds and experimental setups, together with inter-individual variation complicates cross-study comparisons and a global understanding of the mouse microbiota landscape. Here, we investigate the variability of the healthy mouse microbiota of five common lab mouse strains using 16S rDNA pyrosequencing. RESULTS: We find initial evidence for richness-driven, strain-independent murine enterotypes that show a striking resemblance to those in human, and which associate with calprotectin levels, a marker for intestinal inflammation. After enterotype stratification, we find that genotype, caging and inter-individual variation contribute on average 19%, 31.7% and 45.5%, respectively, to the variance in the murine gut microbiota composition. Genetic distance correlates positively to microbiota distance, so that genetically similar strains have more similar microbiota than genetically distant ones. Specific mouse strains are enriched for specific operational taxonomic units and taxonomic groups, while the 'cage effect' can occur across mouse strain boundaries and is mainly driven by Helicobacter infections. CONCLUSION: The detection of enterotypes suggests a common ecological cause, possibly low-grade inflammation that might drive differences among gut microbiota composition in mammals. Furthermore, the observed environmental and genetic effects have important consequences for experimental design in mouse microbiome research. |
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Authors:
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Falk Hildebrand; Anh Thi Loan Nguyen; Brigitta Brinkman; Roberto Garcia Yunta; Benedicte Cauwe; Peter Vandenabeele; Adrian Liston; Jeroen Raes |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-24 |
Journal Detail:
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Title: Genome biology Volume: 14 ISSN: 1465-6914 ISO Abbreviation: Genome Biol. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100960660 Medline TA: Genome Biol Country: - |
Other Details:
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Languages: ENG Pagination: R4 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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