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Updated: Feb 15, 2026
11:13
Culturing and Maintaining Clostridium difficile in an Anaerobic Environment
Published on: September 14, 2013
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Transcriptomic profiling of Clostridium difficile grown under microaerophillic conditions
Nicole Giordano1, Jessica L Hastie1, Paul E Carlson1
1Center for Biologics Evaluation and Research, Office of Vaccines Research and Review, Division of Bacterial, Parasitic and Allergenic Products, US Food and Drug Administration, Silver Spring, MD 20993, USA.
Pathogens and Disease
|February 2, 2018
Summary
Clostridium difficile (Cd) adapts to host conditions by altering sugar metabolism and stress responses. Understanding these adaptations reveals new insights into Cd oxygen resistance and pathogenesis.
Area of Science:
- Microbiology
- Bacterial Pathogenesis
- Host-Microbe Interactions
Background:
- Clostridium difficile (Cd) is an anaerobic, spore-forming bacterium.
- Cd colonization often follows antibiotic use, disrupting gut microbiota and increasing gut oxygen levels.
- The microaerophilic conditions within the host gut present a challenge for anaerobic bacteria like Cd.
Purpose of the Study:
- To investigate how Clostridium difficile responds to microaerophilic conditions.
- To identify genes and metabolic pathways involved in Cd adaptation to the host environment.
Main Methods:
- Transcriptome profiling was used to analyze gene expression changes.
- Gene expression was compared under different oxygen conditions.
Main Results:
- Differential gene regulation was observed in pathways related to sugar metabolism.
- Pyruvate metabolism and stress response genes were also differentially regulated.
- These changes suggest mechanisms for Cd adaptation to oxygen.
Conclusions:
- Cd exhibits specific gene expression changes in response to microaerophilic conditions.
- These findings offer insights into Cd's oxygen resistance mechanisms.
- Further research can elucidate unknown aspects of Cd pathogenesis and survival.
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