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TitleLinking cellular proteostasis to yeast longevity
Author(s)Marques, Maria Belém Sousa Sampaio
Ludovico, Paula
Molecular chaperones
Saccharomyces cerevisiae
Ubiquitin-proteasome system
Issue date2018
PublisherOxford University Press
JournalFEMS Yeast Research
Abstract(s)Proteostasis is a cellular housekeeping process that refers to the healthy maintenance of the cellular proteome that governs the fate of proteins from synthesis to degradation. Perturbations of proteostasis might result in protein dysfunction with consequent deleterious effects that can culminate in cell death. To deal with the loss of proteostasis, cells are supplied with a highly sophisticated and interconnected network that integrates as major players the molecular chaperones and the protein degradation pathways. It is well recognized that the ability of cells to maintain proteostasis declines during ageing, although the precise mechanisms are still elusive. Indeed, genetic or pharmacological enhancement of the proteostasis network has been shown to extend lifespan in a variety of ageing models. Therefore, an improved understanding of the interventions/mechanisms that contribute to cellular protein quality control will have a huge impact on the ageing field. This mini-review centers on the current knowledge about the major pathways that contribute for the maintenance of Saccharomyces cerevisiae proteostasis, with particular emphasis on the developments that highlight the multidimensional nature of the proteostasis network in the maintenance of proteostasis, as well as the age-dependent changes on this network.
AccessembargoedAccess (1 Year)
Appears in Collections:ICVS - Artigos em Revistas Internacionais com Referee

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