Candida albicans Infection Triggers Immune Responses in C. elegans
Author Information
Author(s): Pukkila-Worley Read, Ausubel Frederick M., Mylonakis Eleftherios
Primary Institution: Massachusetts General Hospital, Boston, Massachusetts, United States of America
Hypothesis
C. albicans yeast can infect C. elegans and induce specific immune responses.
Conclusion
C. elegans mounts a targeted immune response to C. albicans infection, involving both antifungal defenses and the downregulation of antibacterial responses.
Supporting Evidence
- C. elegans infected with live C. albicans showed a significant transcriptional response involving 313 genes.
- 56% of genes induced by live C. albicans were also upregulated by heat-killed yeast.
- Immune specificity was demonstrated by the downregulation of antibacterial genes during C. albicans infection.
Takeaway
When tiny worms get infected by a type of yeast, they quickly fight back with special defenses, but they also stop using some of their defenses against bacteria.
Methodology
The study used a C. elegans model to analyze immune responses to live and heat-killed C. albicans, measuring gene expression changes.
Limitations
The study primarily focuses on a single model organism and may not fully represent immune responses in higher organisms.
Participant Demographics
C. elegans nematodes were used as the model organism.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website