ArticleNature cell biology2013
The deubiquitylase USP33 discriminates between RALB functions in autophagy and innate immune response.
Article in Nature cell biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.
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Who cites it
62 citing papers in PubMed, 99 citations in OpenAlex.
- Rewiring KRAS-driven cancers through the ubiquitin-proteasome system: therapeutic opportunities with a focus on deubiquitinase.Experimental & molecular medicine · 2026Review
- Non-canonical and constitutive activation of small GTPases: more than an exception to the rule?The Biochemical journal · 2026Review
- Differentiation of Palmoplantar Psoriasis, Palmoplantar Pustulosis and Hyperkeratotic Palmoplantar Eczema Using Proteomic Analysis of Tape Strip Samples.Experimental dermatology · 2026Observational
- Transcriptional and epigenetic regulation of autophagy: mechanisms, disease relevance and therapeutic opportunities.Signal transduction and targeted therapy · 2026Review
- USP33 alleviates FIS1-dependent mitochondrial fission and cardiac microvascular injury in diabetic cardiomyopathy via deubiquitinating and stabilizing ATG7.Cell death & disease · 2026Article
- The host ubiquitination system dynamically regulates the inflammatory response of macrophages to bacteria.Frontiers in immunology · 2026Review
- Intrinsic resistance to RAS inhibitors is driven by dysregulation of KRAS degradation.Nature communications · 2025Article
- USP33 promotes pulmonary microvascular endothelial cell pyroptosis by stabilizing TRAF2 through deubiquitination.Histology and histopathology · 2025Article
- RalB uncoupling from exocyst is required for endothelial Weibel-Palade body exocytosis.Molecular biology of the cell · 2025Article
- Regulation of autophagy by protein lipidation.Advanced biotechnology · 2024Review
- K128 ubiquitination constrains RAS activity by expanding its binding interface with GAP proteins.The EMBO journal · 2024Article
- miR-206 alleviates LPS-induced inflammatory injury in cardiomyocytes via directly targeting USP33 to inhibit the JAK2/STAT3 signaling pathway.Molecular and cellular biochemistry · 2024Article
- Identification of RAS-like oncoprotein B (RALB) as a potential prognostic and therapeutic target in head and neck squamous cell carcinoma.American journal of translational research · 2024Article
- Spatial Mechano-Signaling Regulation of GTPases through Non-Degradative Ubiquitination.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Spotlights on ubiquitin-specific protease 12 (USP12) in diseases: from multifaceted roles to pathophysiological mechanisms.Journal of translational medicine · 2023Review
- A review of deubiquitinases and thier roles in tumorigenesis and development.Frontiers in bioengineering and biotechnology · 2023Review
- Article
- Exocyst inactivation in urothelial cells disrupts autophagy and activates non-canonical NF-κB signaling.Disease models & mechanisms · 2022Article
- The RalGAPα1-RalA signal module protects cardiac function through regulating calcium homeostasis.Nature communications · 2022Article
- Review
2 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The RAS-like GTPase RALB mediates cellular responses to nutrient availability or viral infection by respectively engaging two components of the exocyst complex, EXO84 and SEC5. RALB employs SEC5 to trigger innate immunity signalling, whereas RALB-EXO84 interaction induces autophagocytosis. How this differential interaction is achieved molecularly by the RAL GTPase remains unknown. We found that whereas GTP binding turns on RALB activity, ubiquitylation of RALB at Lys 47 tunes its activity towards a particular effector. Specifically, ubiquitylation at Lys 47 sterically inhibits RALB binding to EXO84, while facilitating its interaction with SEC5. Double-stranded RNA promotes RALB ubiquitylation and SEC5-TBK1 complex formation. In contrast, nutrient starvation induces RALB deubiquitylation by accumulation and relocalization of the deubiquitylase USP33 to RALB-positive vesicles. Deubiquitylated RALB promotes the assembly of the RALB-EXO84-beclin-1 complexes driving autophagosome formation. Thus, ubiquitylation within the effector-binding domain provides the switch for the dual functions of RALB in autophagy and innate immune responses.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.