Cited by 32Gut microbiota and healthAdvanced Proteomics Techniques and ApplicationsAnimal Nutrition and Physiology

The effect of microbial colonization on the host proteome varies by gastrointestinal location

Open access
Lichtman, Joshua S, Alsentzer, Emily, Jaffe, Mia, Sprockett, Daniel, Masutani, Evan, Ikwa, Elvis, Fragiadakis, Gabriela K, Clifford, David +4 more·2016·The ISME Journal

Abstract

Endogenous intestinal microbiota have wide-ranging and largely uncharacterized effects on host physiology. Here, we used reverse-phase liquid chromatography-coupled tandem mass spectrometry to define the mouse intestinal proteome in the stomach, jejunum, ileum, cecum and proximal colon under three colonization states: germ-free (GF), monocolonized with Bacteroides thetaiotaomicron and conventionally raised (CR). Our analysis revealed distinct proteomic abundance profiles along the gastrointestinal (GI) tract. Unsupervised clustering showed that host protein abundance primarily depended on GI location rather than colonization state and specific proteins and functions that defined these locations were identified by random forest classifications. K-means clustering of protein abundance across locations revealed substantial differences in host protein production between CR mice relative to GF and monocolonized mice. Finally, comparison with fecal proteomic data sets suggested that the identities of stool proteins are not biased to any region of the GI tract, but are substantially impacted by the microbiota in the distal colon.

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Crossref · 10.1038/ismej.2015.187

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  • The majority of human and mouse research uses stool samples, which only partly reflect conditions along the digestive tract.

    “The majority of studies in humans and mice rely on faecal samples, which provide some representation of what is occurring throughout the digestive tract”
  • Stool sampling can hide features of the microbiota and host response that are unique to the small intestine.

    “aspects of microbial communities and host responses that are specific to the small intestine might be obscured by faecal sampling119,120.”

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Authors
Lichtman, J. S., Alsentzer, E., Jaffe, M., Sprockett, D., Masutani, E., Ikwa, E., Fragiadakis, G. K., Clifford, D., Huang, B. E., Sonnenburg, J. L., Huang, K. C., & Elias, J. E.
Affiliations
  • Stanford Medicine (US)
  • Stanford University (US)
  • The Climate Corporation , San Francisco, CA, USA
  • Commonwealth Scientific and Industrial Research Organisation (AU)
Corresponding author
  • Sonnenburg, Justin L
  • Huang, Kerwyn Casey
  • Elias, Joshua E
Venue
The ISME Journal
Published
2015-11-17
Volume
10
Issue
5
Pages
1170-1181
ISSN
  • 1751-7362 (ISSN-L)
  • 1751-7370
OpenAlex
W2203497377
Cited by
32
References
39
Citations by year
2025: 1 · 2024: 1 · 2023: 3 · 2022: 3 · 2021: 1 · 2020: 4 · 2019: 6 · 2018: 3 · 2017: 5 · 2016: 5
FWCI
1.88
Type
journal article
Language
en
Open access
Locations
  • The ISME Journal (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Science Foundation
  • National Institutes of Health (DGE-114747, GM107615)
  • National Institute of General Medical Sciences (P50GM107615)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK085025)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Keywords
gut microbiota, host proteome, germ-free mice, Bacteroides thetaiotaomicron, host-microbe interactions, protein abundance, cecum, colon, stomach, jejunum, ileum
MeSH terms
Gastrointestinal Microbiome, Animals, Cecum, Feces, Ileum, Jejunum, Mass Spectrometry, Stomach, Cluster Analysis, Proteome, Gastrointestinal Tract, Mice

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