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Updated: Jan 31, 2026

Author Spotlight: Investigating Bacteriophage-Induced Immune Responses in Gnotobiotic Mice
Published on: January 26, 2024
Interactions between Bacteriophage, Bacteria, and the Mammalian Immune System
Jonas D Van Belleghem1,2, Krystyna Dąbrowska3, Mario Vaneechoutte4
1Laboratory Bacteriology Research, Department of Clinical Chemistry, Microbiology and Immunology, Ghent University, 9000 Ghent, Belgium. Van.belleghem.jonas@gmail.com.
Bacteriophages (phages), bacterial viruses, directly impact human immunity, often reducing inflammation. These interactions influence bacterial infections and shape host-microbe dynamics.
Area of Science:
- Microbiology
- Immunology
- Bioinformatics
Background:
- Bacteriophages (phages) are bacterial viruses residing in the human body.
- Phages were historically considered indirect microbiome modulators.
- Emerging evidence shows direct phage impacts on host immunity, typically anti-inflammatory.
Purpose of the Study:
- To review the direct interactions between phages and human cells.
- To present a computational model for predicting phage-host interactions.
- To explore the role of the phageome in mammalian-bacterial interactions.
Main Methods:
- Literature review of phage-human cell interactions.
- Development of a computational model for predicting these interactions.
- Analysis of model predictions regarding phageome influence.
Main Results:
- Phages directly modulate innate immunity (phagocytosis, cytokine responses).
- Phages influence adaptive immunity (antibody production, effector polarization).
- Computational models predict significant roles for the phageome in host-microbe interactions.
Conclusions:
- Phages are direct modulators of the human immune system.
- Phage-immune interactions can profoundly affect bacterial infection outcomes.
- The phageome is a key factor in shaping mammalian-bacterial relationships.
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