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Related Experiment Video

Updated: May 8, 2026

Cefoperazone-treated Mouse Model of Clinically-relevant Clostridium difficile Strain R20291
06:51

Cefoperazone-treated Mouse Model of Clinically-relevant Clostridium difficile Strain R20291

Published on: December 10, 2016

Visualizing C. difficile During Murine Infection.

Nicholas V DiBenedetto1,2, Aimee Shen3

  • 1Department of Molecular Biology and Microbiology, Tufts University School of Medicine, Boston, MA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|May 7, 2026
PubMed
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New fluorescence reporters allow researchers to visualize Clostridioides difficile gene expression within infected hosts at a single-cell level. This advances understanding of C. difficile infections and microbial interactions.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Molecular Biology

Background:

  • Clostridioides difficile is a major cause of healthcare-associated infections.
  • C. difficile exhibits phenotypic heterogeneity in virulence and transmission.
  • Tools are needed to study C. difficile subpopulations in vivo.

Purpose of the Study:

  • To develop and present fluorescence-based reporter systems.
  • To enable visualization of C. difficile gene expression in situ at single-cell resolution.
  • To facilitate the study of C. difficile physiology and pathogenesis during infection.

Main Methods:

  • Development of spectrally compatible fluorescence reporters.
  • Application of reporters for in situ gene expression analysis.
Keywords:
ExpressionFluorescenceIn vivoIntermicrobial interactions

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Last Updated: May 8, 2026

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  • Utilizing reporters for competition experiments and co-visualization with other bacteria.

    • Main Results:

    • Reporters provide single-cell resolution of C. difficile gene expression during infection.
    • The systems are broadly applicable to any target gene.
    • Enabled spatial analysis of microbe-microbe interactions within the gut microbiome.

    Conclusions:

    • Fluorescence reporters offer a powerful tool for dissecting C. difficile heterogeneity in vivo.
    • These systems enhance understanding of C. difficile pathogenesis and host-pathogen dynamics.
    • Facilitates research into microbial community interactions in infectious contexts.