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Updated: May 5, 2026
07:35
Double Labeling Immunofluorescence using Antibodies from the Same Species to Study Host-Pathogen Interactions
Published on: July 10, 2021
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Conserved immunophilins: A unifying link across three phytomyxid pathogens.
Anagha Santhosh1, Andrea Garvetto1, Sigrid Neuhauser1
1Department of Microbiology, Universität Innsbruck, Innsbruck, Austria.
Protist
|May 3, 2026
Summary
Immunophilins are vital proteins in all organisms, crucial for protein folding. This study reveals their conserved nature and function in diverse phytomyxid pathogens, aiding host adaptation and infection.
Area of Science:
- Molecular Biology
- Microbiology
- Phycology
Background:
- Immunophilins are essential proteins involved in protein folding, found across all life forms.
- Phytomyxea are obligate biotrophic pathogens with limited research on their immunophilins.
- Understanding immunophilins in Phytomyxea can illuminate pathogen-host interactions.
Purpose of the Study:
- To identify and characterize immunophilins in Maullinia ectocarpii, an alga-infecting phytomyxid.
- To compare M. ectocarpii immunophilins with those from plant-pathogenic relatives like Plasmodiophora brassicae and Spongospora subterranea.
- To investigate the expression patterns of selected immunophilins during the M. ectocarpii life cycle.
Main Methods:
- Bioinformatic analysis of protein domains.
- Structural analysis of immunophilin proteins.
- Phylogenetic analysis to determine evolutionary relationships.
- Quantitative expression analysis of selected genes throughout the M. ectocarpii life cycle.
Main Results:
- Identified and characterized immunophilins in Maullinia ectocarpii.
- Demonstrated strong conservation of functional domains and protein structures in immunophilins across different phytomyxid lineages (algal and plant pathogens).
- Validated the expression of selected immunophilins in M. ectocarpii across its entire life cycle.
Conclusions:
- Immunophilins are highly conserved among phytomyxid pathogens infecting diverse hosts, suggesting fundamental roles in their biology.
- The conserved nature of immunophilins implies a conserved role in host adaptation and infection strategies within Phytomyxea.
- This study provides insights into pathogen-host interactions mediated by immunophilins in both plant and algal systems.
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