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Updated: Nov 3, 2025
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Trichuris muris Infection: A Model of Type 2 Immunity and Inflammation in the Gut
Published on: May 24, 2011
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The interplay between Trichuris and the microbiota
Melissa A E Lawson1,2,3,4, Ian S Roberts1,3,4, Richard K Grencis1,2,3,4
1Lydia Becker Institute for Immunology and Inflammation, Manchester, M13 9PT, UK.
Parasitology
|June 2, 2021
Summary
Gut bacteria are essential for whipworm (Trichuris) survival and infection. These microbes interact with worms and the host immune system, influencing parasitic worm persistence.
Area of Science:
- Parasitology
- Microbiology
- Immunology
Background:
- Intestine-dwelling helminths are common human pathogens.
- Helminths manipulate host immune responses for survival.
- Gut microbiota and parasite-specific microbes play a crucial role in helminth persistence.
Purpose of the Study:
- To investigate the role of gut bacteria in helminth infections.
- To understand the interactions between worms, host immunity, and gut microbiota.
- To explore the communication mechanisms between hosts, microbes, and parasites.
Main Methods:
- Utilized various mouse models, including laboratory, germ-free, and rewilded mice.
- Investigated the necessity of bacteria for Trichuris (whipworm) hatching and infection.
- Analyzed the Trichuris-specific gut microbiota.
- Examined the role of microbial metabolites like butyrate in host-microbe-parasite communication.
Main Results:
- Trichuris requires bacteria to hatch and infect the host.
- Trichuris harbors a specific gut microbiota.
- Metabolites such as butyrate mediate communication and regulate immune responses.
- Gut bacteria significantly influence worm infections.
Conclusions:
- Gut bacteria are critical for the life cycle and persistence of parasitic worms like Trichuris.
- The host, gut microbiota, and parasite engage in complex metabolic and immune interactions.
- This research establishes an emerging field in whipworm parasitology focused on microbial contributions to infection.
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