Cited by 225Heat shock proteins researchMicrotubule and mitosis dynamicsUbiquitin and proteasome pathways

The interaction network of the chaperonin CCT

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Dekker, Carien, Stirling, Peter C, McCormack, Elizabeth A, Filmore, Heather, Paul, Angela, Brost, Renee L, Costanzo, Michael, Boone, Charles +2 more·2008·The EMBO Journal

Abstract

The eukaryotic cytosolic chaperonin containing TCP-1 (CCT) has an important function in maintaining cellular homoeostasis by assisting the folding of many proteins, including the cytoskeletal components actin and tubulin. Yet the nature of the proteins and cellular pathways dependent on CCT function has not been established globally. Here, we use proteomic and genomic approaches to define CCT interaction networks involving 136 proteins/genes that include links to the nuclear pore complex, chromatin remodelling, and protein degradation. Our study also identifies a third eukaryotic cytoskeletal system connected with CCT: the septin ring complex, which is essential for cytokinesis. CCT interactions with septins are ATP dependent, and disrupting the function of the chaperonin in yeast leads to loss of CCT-septin interaction and aberrant septin ring assembly. Our results therefore provide a rich framework for understanding the function of CCT in several essential cellular processes, including epigenetics and cell division.

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  1. Amberg DC, Burke DJ, Strathern JN (2005) Methods in Yeast Genetics. Cold Spring Harbour, New York, USA: Cold Spring Harbour Laboratory Press

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Authors
Dekker, C., Stirling, P. C., McCormack, E. A., Filmore, H., Paul, A., Brost, R. L., Costanzo, M., Boone, C., Leroux, M. R., & Willison, K. R.
Affiliations
  • Institute of Cancer Research (GB)
  • Simon Fraser University (CA)
  • University of Toronto (CA)
Venue
The EMBO Journal
Published
2008-05-29
Volume
27
Issue
13
Pages
1827-1839
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W2039639602
Cited by
220
References
59
Citations by year
2026: 9 · 2025: 8 · 2024: 10 · 2023: 2 · 2022: 7 · 2021: 9 · 2020: 9 · 2019: 12 · 2018: 18 · 2017: 13 · 2016: 10 · 2015: 15 · 2014: 10 · 2013: 13 · 2012: 15
FWCI
8.22
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Genome Canada
  • Michael Smith Health Research BC
  • Cancer Research UK
  • Canadian Institutes of Health Research
  • Natural Sciences and Engineering Research Council of Canada
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
chaperonin CCT, TCP1, protein folding, protein-protein interaction network, nuclear pore complex, chromatin remodeling, protein degradation, septins, cytokinesis, actin folding, tubulin folding, epigenetics, cell division, yeast
MeSH terms
Saccharomyces cerevisiae, Chaperonins, Genomics, Saccharomyces cerevisiae Proteins, Proteomics, Multiprotein Complexes, Cytokinesis, Chaperonin Containing TCP-1

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