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The expanding role of Atg8.

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It would be quite convenient if every protein had one distinct function, one distinct role in just a single cellular process. In the field of macroautophagy/autophagy, however, we are increasingly… Click to show full abstract

It would be quite convenient if every protein had one distinct function, one distinct role in just a single cellular process. In the field of macroautophagy/autophagy, however, we are increasingly finding that this is not the case; several autophagy proteins have two or more roles within the process of autophagy and many even "moonlight" as functional members of entirely different cellular processes. This is perhaps best exemplified by the Atg8-family proteins. These dynamic proteins have already been reported to serve several functions both within autophagy (membrane tethering, membrane fusion, binding to cargo receptors, binding to autophagy machinery) and beyond (LC3-associated phagocytosis, formation of EDEMosomes, immune signaling) but as Maruyama and colleagues suggest in their recent report, this list of functions may not yet be complete.

Keywords: expanding role; role atg8; role

Journal Title: Autophagy
Year Published: 2021

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