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Updated: May 8, 2026
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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
Summary
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.
- 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.
