Related Experiment Video
Updated: May 7, 2026

Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
Published on: January 31, 2025
Selective autophagy
Steingrim Svenning1, Terje Johansen
1Molecular Cancer Research Group, Institute of Medical Biology, University of Tromsø, 9037 Tromsø, Norway.
Selective autophagy uses specific receptors to target cellular components like protein aggregates and pathogens for degradation. These receptors interact with ATG8/LC3 proteins, advancing our understanding of this crucial cellular process.
Area of Science:
- Cell Biology
- Molecular Biology
- Biochemistry
Background:
- Autophagy was traditionally viewed as a non-selective degradation pathway.
- Recent discoveries highlight the role of selective autophagy in targeted cargo removal.
Purpose of the Study:
- To discuss autophagy receptors and their mechanisms.
- To explain the interaction of receptors with ATG8/LC3 proteins.
- To detail the role of receptors in xenophagy and aggrephagy.
Main Methods:
- Literature review of autophagy research.
- Characterization of autophagy receptors.
- Analysis of receptor-cargo interactions with ATG8/LC3.
Main Results:
- Identification of multiple autophagy receptors.
- Demonstration of specific cargo targeting by these receptors.
- Elucidation of receptor involvement in degrading bacteria and protein aggregates.
Conclusions:
- Autophagy receptors are key mediators of selective degradation.
- Receptor-ATG8/LC3 interactions are essential for cargo recognition.
- Selective autophagy plays vital roles in cellular quality control and defense.
More Related Videos
09:34The Lactate Dehydrogenase Sequestration Assay — A Simple and Reliable Method to Determine Bulk Autophagic Sequestration Activity in Mammalian Cells
Published on: July 27, 2018
09:21Ferritinophagy: Assessing the Selective Degradation of Iron by Autophagy in Human Fibroblasts
Published on: February 23, 2024
Related Concept Videos
Autophagy
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
Delivery Pathways to the Lysosome
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
Autophagic Cell Death
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and pro-apoptotic...
Cellular Injury V: Apoptosis and Autophagy
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. A series of enzymes carry out the ubiquitination of the target proteins - E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3 (ubiquitin...