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Gut associated metabolites and their roles in Clostridioides difficile pathogenesis
Andrea Martinez Aguirre1, Joseph A Sorg1
1Department of Biology, Texas A&M University, College Station, TX, USA.
Gut Microbes
|July 6, 2022
Summary
Clostridioides difficile infection (CDI) thrives in disrupted gut microbiomes. Understanding host and microbial metabolites is key for developing non-antibiotic treatments against this healthcare burden.
Area of Science:
- Microbiology
- Gastroenterology
- Metabolomics
Background:
- Clostridioides difficile (C. diff) infection is a significant healthcare-associated infection.
- Broad-spectrum antibiotics disrupt the gut microbiome, increasing susceptibility to C. diff.
- Host and gut microbial metabolites play a crucial role in C. diff pathogenesis.
Purpose of the Study:
- To explore the intricate interactions between C. diff and the host's gut microbiome metabolites.
- To highlight the relevance of understanding these interactions for non-antibiotic therapeutic strategies.
Main Methods:
- Literature review on C. diff interactions with gut metabolites.
- Analysis of metabolite roles in C. diff germination, growth, and colonization.
- Examination of short-chain fatty acids and cholesterol-derived compounds.
Main Results:
- Bile acids differentially affect C. diff germination.
- Metabolites from the Stickland pathway influence C. diff growth and colonization.
- Short-chain fatty acids are vital for intestinal barrier integrity.
Conclusions:
- Metabolites are critical modulators of the gut environment in C. diff infection.
- Targeting host-microbiome metabolite interactions offers promising avenues for novel CDI therapies.
Keywords:
Clostridioides difficileSticklandbile acidsfecal microbial therapygut metabolitesmicrobiomeshort-chain fatty acidsMore Related Videos
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