期刊
ANNUAL REVIEW OF CELL AND DEVELOPMENTAL BIOLOGY, VOL 37
卷 37, 期 -, 页码 143-169出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-cellbio-120219-035530
关键词
ATG proteins; GABARAP; LC3; LIR; selective autophagy; SAR; SLR
Selective autophagy is the degradation of specific intracellular components via selective autophagy receptors, which interact with autophagy-related proteins and may or may not depend on ubiquitin labeling of the cargo.
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 Atg8interacting 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.
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