The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.
Commensal-pathogen interactions in the intestinal tract: Lactobacilli promote infection with, and are promoted by, helminth parasites
Open accessAbstract
The intestinal microbiota are pivotal in determining the developmental, metabolic and immunological status of the mammalian host. However, the intestinal tract may also accommodate pathogenic organisms, including helminth parasites which are highly prevalent in most tropical countries. Both microbes and helminths must evade or manipulate the host immune system to reside in the intestinal environment, yet whether they influence each other's persistence in the host remains unknown. We now show that abundance of Lactobacillus bacteria correlates positively with infection with the mouse intestinal nematode parasite, Heligmosomoides polygyrus, as well as with heightened regulatory T cell (Treg) and Th17 responses. Moreover, H. polygyrus raises Lactobacillus species abundance in the duodenum of C57BL/6 mice, which are highly susceptible to H. polygyrus infection, but not in BALB/c mice, which are relatively resistant. Sequencing of samples at the bacterial gyrB locus identified the principal Lactobacillus species as L. taiwanensis, a previously characterized rodent commensal. Experimental administration of L. taiwanensis to BALB/c mice elevates regulatory T cell frequencies and results in greater helminth establishment, demonstrating a causal relationship in which commensal bacteria promote infection with an intestinal parasite and implicating a bacterially-induced expansion of Tregs as a mechanism of greater helminth susceptibility. The discovery of this tripartite interaction between host, bacteria and parasite has important implications for both antibiotic and anthelmintic use in endemic human populations.
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Cites
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Cited by
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Self-citationThe intestinal microbiota contributes to the ability of helminths to modulate allergic inflammation
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Marked seasonal variation in the wild mouse gut microbiota
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Metadata
- Authors
- Reynolds, L. A., Smith, K. A., Filbey, K. J., Harcus, Y., Hewitson, J. P., Redpath, S. A., Valdez, Y., Yebra, M. J., Finlay, B. B., & Maizels, R. M.
- Venue
- Gut Microbes
- Publisher
- Informa UK Limited
- Published
- 2014-07
- Volume
- 5
- Issue
- 4
- Pages
- 522-532
- ISSN
- 1949-0976 (ISSN-L)
- 1949-0984
- OpenAlex
- W1960800379
- Cited by
- 258
- References
- 60
- FWCI
- 11.29
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- CoChat. (2026). Citation check: Commensal-pathogen interactions in the intestinal tract: Lactobacilli promote infection with, and are promoted by, helminth parasites. https://app.cochat.ai/papers/10.4161/gmic.32155
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- Reynolds, L. A., Smith, K. A., Filbey, K. J., Harcus, Y., Hewitson, J. P., Redpath, S. A., Valdez, Y., Yebra, M. J., Finlay, B. B., & Maizels, R. M. (2014). Commensal-pathogen interactions in the intestinal tract: Lactobacilli promote infection with, and are promoted by, helminth parasites. Gut Microbes. https://doi.org/10.4161/gmic.32155
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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