Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/29238
Título: | Longevity pathways and maintenance of the proteome: the role of autophagy and mitophagy during yeast ageing |
Autor(es): | Marques, Belém Sampaio Ludovico, Paula Burhans, William C. |
Palavras-chave: | Nutrient-sensing pathways Autophagy Mitophagy Chronological lifespan Replicative lifespan Ageing Yeast replicative lifespan ageing |
Data: | 7-Abr-2014 |
Editora: | Shared Science Publishers OG |
Revista: | Microbial cell |
Resumo(s): | Ageing is a complex and multi-factorial process that results in the progressive accumulation of molecular alterations that disrupt different cellular functions. The budding yeast Saccharomyces cerevisiae is an important model organism that has significantly contributed to the identification of conserved molecular and cellular determinants of ageing. The nutrient-sensing pathways are well-recognized modulators of longevity from yeast to mammals, but their downstream effectors and outcomes on different features of ageing process are still poorly understood. A hypothesis that is attracting increased interest is that one of the major functions of these “longevity pathways” is to contribute to the maintenance of the proteome during ageing. In support of this hypothesis, evidence shows that TOR/Sch9 and Ras/PKA pathways are important regulators of autophagy that in turn are essential for healthy cellular ageing. It is also well known that mitochondria homeostasis and function regulate lifespan, but how mitochondrial dynamics, mitophagy and biogenesis are regulated during ageing remains to be elucidated. This review describes recent findings that shed light on how longevity pathways and metabolic status impact maintenance of the proteome in both yeast ageing paradigms. These findings demonstrate that yeast remain a powerful model system for elucidating these relationships and their influence on ageing regulation. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/29238 |
DOI: | 10.15698/mic2014.01.136 |
ISSN: | 2311-2638 |
Versão da editora: | http://microbialcell.com/wordpress/wp-content/uploads/2014/04/2014A-Sampaio-Marques-Microbial-Cell.pdf |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | ICVS - Artigos em revistas internacionais / Papers in international journals |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
---|---|---|---|---|
sampaio-marques b_microbial-cell 2014.pdf Acesso restrito! | 565,75 kB | Adobe PDF | Ver/Abrir |