Related Experiment Video
Updated: Nov 26, 2025

05:37
Label-Free Quantitative Proteomics Workflow for Discovery-Driven Host-Pathogen Interactions
Published on: October 20, 2020
7.2K
Registered report protocol: Quantitative analysis of septin Cdc10-associated proteome in Cryptococcus neoformans
Stephani Martinez Barrera1, Stephanie Byrum2, Samuel G Mackintosh2
1Department of Genetics and Biochemistry, Eukaryotic Pathogens Innovation Center, Clemson University, Clemson, SC, United States of America.
Plos One
|December 14, 2020
Summary
Septins are crucial for the pathogenic yeast Cryptococcus neoformans to grow at host temperature and cause infection. This study identifies septin binding partners to understand high-temperature survival mechanisms.
Area of Science:
- Mycology
- Cell Biology
- Infectious Diseases
Background:
- Cryptococcus neoformans is a yeast pathogen causing infections, especially in immunocompromised individuals.
- Its virulence is linked to growth at 37°C, capsule formation, and melanin production.
- Septin proteins Cdc3 and Cdc12 are essential for C. neoformans proliferation at 37°C and virulence.
Purpose of the Study:
- To investigate the unknown role of septins in enabling C. neoformans to grow at host temperature.
- To identify septin Cdc10 binding partners, particularly those involved in high-temperature stress response.
- To elucidate mechanisms of C. neoformans survival during infection and discover potential drug targets.
Main Methods:
- Global analysis of septin Cdc10 binding partners in C. neoformans.
- Investigating protein interactions under high-temperature stress conditions.
Main Results:
- Septins are essential for C. neoformans growth at 37°C and virulence.
- Septin-interacting proteins at high temperatures are yet to be fully characterized.
- This study aims to uncover these interactions.
Conclusions:
- Understanding septin function at high temperatures is key to C. neoformans pathogenesis.
- Identifying septin-interacting proteins may reveal novel therapeutic targets for cryptococcosis.

