Reference: Turco E, et al. (2020) Recruitment and Activation of the ULK1/Atg1 Kinase Complex in Selective Autophagy. J Mol Biol 432(1):123-134

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Abstract


Autophagy is a major cellular degradation pathway, which mediates the delivery of cytoplasmic cargo material into lysosomes. This is achieved by the specific sequestration of the cargo within double-membrane vesicles, the autophagosomes, which form de novo around this material. Autophagosome formation requires the action of a conserved set of factors, which act in hierarchical manner. The ULK1/Atg1 kinase complex is one of the most upstream acting components of the autophagy machinery. Here we discuss recent insights into the mechanisms of ULK1/Atg1 recruitment and activation at the cargo during selective autophagy. In particular, we will focus on the role of cargo receptors such as p62 and NDP52 during this process and discuss the emerging concept that cargo receptors act upstream of the autophagy machinery during cargo-induced selective autophagy.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't | Review
Authors
Turco E, Fracchiolla D, Martens S
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