Kijanska M and Peter M (2013) Atg1 kinase regulates early and late steps during autophagy. Autophagy 9(2):249-51
Abstract: The notion that phosphorylation constitutes a major mechanism to induce autophagy was established 15 years ago when a conserved Atg1/ULK kinase family was identified as an essential component of the autophagy machinery. The key observation was that starved atg1Delta cells lack autophagosomes in the cytosol and fail to accumulate autophagic bodies in the vacuole. Although many studies have revealed important details of Atg1 activation and function, a cohesive model for how Atg1 regulates the autophagic machinery is lacking. Our recent findings identified conserved steps of temporal and spatial regulation of Atg1/ULK1 kinase at both the PAS and autophagosomal membranes, suggesting that Atg1 not only promotes autophagy induction, but may also facilitate late stages of autophagosome biogenesis.
|Status: Published||Type: Journal Article | Research Support, Non-U.S. Gov't||PubMed ID: 23108207|
Topics addressed in this paper
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