1. Computational and Systems Biology
  2. Microbiology and Infectious Disease
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Integrated culturing, modeling and transcriptomics uncovers complex interactions and emergent behavior in a three-species synthetic gut community

  1. Kevin D'hoe
  2. Stefan Vet
  3. Karoline Faust  Is a corresponding author
  4. Frédéric Moens
  5. Gwen Falony
  6. Didier Gonze
  7. Verónica Lloréns-Rico
  8. Lendert Gelens
  9. Jan Danckaert
  10. Luc De Vuyst
  11. Jeroen Raes  Is a corresponding author
  1. KU Leuven, Belgium
  2. Vrije Universiteit Brussel, Belgium
  3. Université Libre de Bruxelles, Belgium
Research Article
  • Cited 6
  • Views 2,535
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Cite this article as: eLife 2018;7:e37090 doi: 10.7554/eLife.37090

Abstract

Whereas the composition of the human gut microbiome is well resolved, predictive understanding is still lacking. Here, we followed a bottom-up strategy to explore human gut community dynamics: we established a synthetic community composed of three representative human gut isolates (Roseburia intestinalis L1-82, Faecalibacterium prausnitzii A2-165 and Blautia hydrogenotrophica S5a33) and explored their interactions under well-controlled conditions in vitro. Systematic mono- and pair-wise fermentation experiments confirmed competition for fructose and cross-feeding of formate. We quantified with a mechanistic model how well tri-culture dynamics was predicted from mono-culture data. With the model as reference, we demonstrated that strains grown in co-culture behaved differently than in mono-culture and confirmed their altered behavior at the transcriptional level. In addition, we showed with replicate tri-cultures and simulations that dominance in tri-culture sensitively depended on initial conditions. Our work has important implications for gut microbial community modeling as well as ecological interaction detection from batch cultures.

Article and author information

Author details

  1. Kevin D'hoe

    Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  2. Stefan Vet

    Applied Physics Research Group, Vrije Universiteit Brussel, Brussels, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  3. Karoline Faust

    Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
    For correspondence
    karoline.faust@kuleuven.be
    Competing interests
    The authors declare that no competing interests exist.
    ORCID icon "This ORCID iD identifies the author of this article:" 0000-0001-7129-2803
  4. Frédéric Moens

    Research Group of Industrial Microbiology and Food Biotechnology, Vrije Universiteit Brussel, Brussels, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  5. Gwen Falony

    Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  6. Didier Gonze

    Unité de Chronobiologie Théorique, Université Libre de Bruxelles, Brussels, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  7. Verónica Lloréns-Rico

    Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  8. Lendert Gelens

    Laboratory of Dynamics in Biological Systems, KU Leuven, Leuven, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  9. Jan Danckaert

    Applied Physics Research Group, Vrije Universiteit Brussel, Brussels, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  10. Luc De Vuyst

    Research Group of Industrial Microbiology and Food Biotechnology, Vrije Universiteit Brussel, Brussels, Belgium
    Competing interests
    The authors declare that no competing interests exist.
  11. Jeroen Raes

    Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
    For correspondence
    jeroen.raes@kuleuven.vib.be
    Competing interests
    The authors declare that no competing interests exist.

Funding

Vrije Universiteit Brussel

  • Kevin D'hoe

Fonds Wetenschappelijk Onderzoek

  • Kevin D'hoe
  • Karoline Faust
  • Frédéric Moens
  • Verónica Lloréns-Rico

Interuniversity Institute of Bioinformatics in Brussels

  • Stefan Vet

The funders had no role in study design, data collection and interpretation, or the decision to submit the work for publication.

Reviewing Editor

  1. Xochitl Morgan, University of Otago, New Zealand

Publication history

  1. Received: March 29, 2018
  2. Accepted: October 4, 2018
  3. Accepted Manuscript published: October 16, 2018 (version 1)
  4. Version of Record published: November 15, 2018 (version 2)

Copyright

© 2018, D'hoe et al.

This article is distributed under the terms of the Creative Commons Attribution License permitting unrestricted use and redistribution provided that the original author and source are credited.

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