期刊
AUTOPHAGY
卷 14, 期 8, 页码 1456-1459出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15548627.2018.1477382
关键词
Atg9; ATG9A; endosomes; recycling endosomes; trans-Golgi network; trafficking
类别
资金
- Deutsche Forschungsgemeinschaft [UN111/7-3, SFB 944]
- Deutsche Forschungsgemeinschaft
- H2020 Marie Sklodowska-Curie Cofund [713660]
- H2020 Marie Sklodowska-Curie ITN [765912]
- ALW Open Programme [ALWOP.310]
- ZonMW VICI [016.130.606]
Macroautophagy (hereafter autophagy) is a catabolic pathway present in all eukaryotic cells. The yeast Saccharomyces cerevisiae has been pivotal in the identification and characterization of the key autophagy-related (Atg) proteins, which play a central role in the generation of autophagosomes. The components of the core Atg/ATG machinery and their functions are highly conserved among species, although mammalian cells also have isoforms and auxiliary factors. Atg9/ATG9 is the only transmembrane protein that is part of the core Atg/ATG machinery, but it appears to have divergent localizations and molecular roles in yeast and mammals. A recent experimental analysis of the yeast endo-lysosomal system by the laboratory of Benjamin Glick, however, suggests a more simple organization of this membrane system. Although this study has not examined yeast Atg9, its findings place this protein in the same compartments as its mammalian counterpart. Here, we will discuss the implications of this conceptual change on the trafficking of yeast Atg9 and its function in autophagy.
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