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Annual Review of Cell and Developmental Biology

Volume 37, 2021

Mechanisms of Selective Autophagy

Abstract

Selective autophagy is the lysosomal degradation of specific intracellular components sequestered into autophagosomes, late endosomes, or lysosomes through the activity of selective autophagy receptors (SARs). SARs interact with autophagy-related (ATG)8 family proteins via sequence motifs called LC3-interacting region (LIR) motifs in vertebrates and Atg8-interacting motifs (AIMs) in yeast and plants. SARs can be divided into two broad groups: soluble or membrane bound. Cargo or substrate selection may be independent or dependent of ubiquitin labeling of the cargo. In this review, we discuss mechanisms of mammalian selective autophagy with a focus on the unifying principles employed in substrate recognition, interaction with the forming autophagosome via LIR-ATG8 interactions, and the recruitment of core autophagy components for efficient autophagosome formation on the substrate.

Keyword(s): ATG proteins, GABARAP, LC3, LIR, SAR, selective autophagy, SLR
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/content/journals/10.1146/annurev-cellbio-120219-035530
2021-10-06
2024-04-19
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Mechanisms of Selective Autophagy
Annual Review of Cell and Developmental Biology 37, 143 (2021); https://doi.org/10.1146/annurev-cellbio-120219-035530
/content/journals/10.1146/annurev-cellbio-120219-035530
/content/journals/10.1146/annurev-cellbio-120219-035530
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