ArticleMolecular biology of the cell2019
Degradation of integral membrane proteins modified with the photosensitive degron module requires the cytosolic endoplasmic reticulum-associated degradation pathway.
Article in Molecular biology of the cell, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 12 citations in OpenAlex.
- The UFM1 Conjugation System: A Master Regulator of Cellular Stress Surveillance in Human Disease.Biology · 2026Review
- Endoplasmic reticulum autophagy in inflammatory diseases.Frontiers in immunology · 2026Review
- The double whammy of ER-retention and dominant-negative effects in numerous autosomal dominant diseases: significance in disease mechanisms and therapy.Journal of biomedical science · 2024Review
- Elements of the ERAD ubiquitin ligase Doa10 regulating sequential poly-ubiquitylation of its targets.iScience · 2022Article
- Light-dependent N-end rule-mediated disruption of protein function in Saccharomyces cerevisiae and Drosophila melanogaster.PLoS genetics · 2021Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
Protein quality mechanisms are fundamental for proteostasis of eukaryotic cells. Endoplasmic reticulum-associated degradation (ERAD) is a well-studied pathway that ensures quality control of secretory and endoplasmic reticulum (ER)-resident proteins. Different branches of ERAD are involved in degradation of malfolded secretory proteins, depending on the localization of the misfolded part, the ER lumen (ERAD-L), the ER membrane (ERAD-M), and the cytosol (ERAD-C). Here we report that modification of several ER transmembrane proteins with the photosensitive degron (psd) module resulted in light-dependent degradation of the membrane proteins via the ERAD-C pathway. We found dependency on the ubiquitylation machinery including the ubiquitin-activating enzyme Uba1, the ubiquitin--conjugating enzymes Ubc6 and Ubc7, and the ubiquitin-protein ligase Doa10. Moreover, we found involvement of the Cdc48 AAA-ATPase complex members Ufd1 and Npl4, as well as the proteasome, in degradation of Sec62-myc-psd. Thus, our work shows that ERAD-C substrates can be systematically generated via synthetic degron constructs, which facilitates future investigations of the ERAD-C pathway.
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