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Updated: Apr 4, 2026

Cultivation of Heligmosomoides Polygyrus: An Immunomodulatory Nematode Parasite and its Secreted Products
Published on: April 6, 2015
Interactions between the intestinal microbiome and helminth parasites
1Global Health Institute, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
Helminths and gut bacteria have co-evolved, influencing each other and host immunity. Understanding these interactions is crucial for maintaining gut health and may explain chronic inflammatory diseases.
Area of Science:
- Microbiology
- Immunology
- Evolutionary Biology
Background:
- Intestinal helminths and bacteria share the gut niche, suggesting potential interactions.
- Helminths are known to modify gut physiology, impacting bacterial communities.
- The influence of helminths on host-intestinal bacteria interactions remains understudied.
Purpose of the Study:
- To explore the impact of helminths on the host-intestinal bacteria relationship.
- To investigate if helminth-mediated immunomodulation depends on bacterial interactions.
- To understand the evolutionary significance of the helminth-bacteria 'ménage à trois'.
Main Methods:
- Review of existing literature on helminth-bacteria interactions.
- Analysis of physiological and immunological data related to gut inhabitants.
- Hypothetical modeling of evolutionary pressures.
Main Results:
- Helminth presence significantly alters the gut environment, affecting bacterial survival and organization.
- Helminth-induced immunomodulation may be influenced by concurrent bacterial presence.
- The co-evolutionary 'ménage à trois' likely shaped host metabolic and immune systems.
Conclusions:
- Helminth-bacteria interactions are a critical factor in maintaining gut homeostasis.
- The eradication of helminths in industrialized nations may have disrupted this balance, potentially contributing to chronic inflammatory diseases.
- Further research into helminth-bacteria dynamics is essential for understanding and treating inflammatory conditions.
Related Concept Videos
Microbial Interactions: Parasitism
Functions of the Gut Microbiota
Microbiota of the Large Intestine
Introduction to the Human Microbiota
Microbial Interactions: Cooperation
Microbiota of the Stomach and Small Intestine

