Abstract
The essential molecular chaperone heat shock protein 90 (Hsp90) is a highly conserved protein hub, which modulates the genotype to phenotype translation in animals, plants, and fungi. In doing so, Hsp90 interacts with up to 10 % of the eukaryotic cell’s proteome. In the leading fungal pathogen of humans, Candida albicans, Hsp90 governs virulence, morphogenesis, and drug resistance. While specific Hsp90 clients have been identified and described, a global overview of Hsp90 interactions in this pathogen remained elusive until recently.
Here, we discuss recent advancements in mapping the C. albicans Hsp90 chaperone network. We describe the first Hsp90 genetic interaction network in C. albicans, discuss its divergence from that of its relative Saccharomyces cerevisiae and illustrate how the network informs our understanding of fungal biology, stress responses and virulence. Deciphering the Hsp90 chaperone network holds great promise for the development of suitable measures to combat fungal drug resistance and counter the ever-increasing number of Candida infections.
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Abbreviations
- Hsp90:
-
Heat shock protein 90
- GdA:
-
Geldanamycin (Hsp90 inhibitor)
- GO:
-
Gene ontology
- cAMP:
-
3’-5’-Cyclic adenosine monophosphate
- PKA:
-
Protein kinase A
- MAPK:
-
Mitogen-activated protein kinase
- 17-AAG:
-
17-N-allylamino-17-demethoxygeldanamycin
- SGA:
-
Synthetic genetic array
- KDAC:
-
Lysine deacetylase
- PPIs:
-
Protein-protein interactions
- TAP:
-
Tandem affinity purification
- CO2:
-
Carbon dioxide
- RPMI:
-
Roswell Park Memorial Institute medium
- UV:
-
ultraviolet
- Sgt1:
-
Suppressor of G2 allele of skp1
- MALDI ToF:
-
Matrix-assisted laser desorption/ionization Time of Flight
- SAGA:
-
Spt-Ada-Gcn5-acetyltransferase
- UTP-C:
-
U three proteins complex
- CUG:
-
Cysteine Uracil Guanine
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Diezmann, S., Cowen, L. (2014). The Candida albicans Hsp90 Chaperone Network Is Environmentally Flexible and Evolutionarily Divergent. In: Houry, W. (eds) The Molecular Chaperones Interaction Networks in Protein Folding and Degradation. Interactomics and Systems Biology, vol 1. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-1130-1_8
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DOI: https://doi.org/10.1007/978-1-4939-1130-1_8
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