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Is the Rsp5 ubiquitin ligase involved in the regulation of ribophagy?
Kraft C, Peter M. Kraft C, et al. Autophagy. 2008 Aug;4(6):838-40. doi: 10.4161/auto.6603. Epub 2008 Jul 14. Autophagy. 2008. PMID: 18670191
Interestingly, several ubiquitinated proteins accumulate in ribosome fractions isolated from ubp3Delta cells, suggesting that the regulation of ribophagy by ubiquitin may be direct. Here we present data on a potential role of the ubiquitin li
Interestingly, several ubiquitinated proteins accumulate in ribosome fractions isolated from ubp3Delta cells, suggesting that the …
Ubiquitination of ERMES components by the E3 ligase Rsp5 is involved in mitophagy.
Belgareh-Touzé N, Cavellini L, Cohen MM. Belgareh-Touzé N, et al. Autophagy. 2017 Jan 2;13(1):114-132. doi: 10.1080/15548627.2016.1252889. Epub 2016 Nov 15. Autophagy. 2017. PMID: 27846375 Free PMC article.
In the yeast Saccharomyces cerevisiae, the endoplasmic reticulum-mitochondrial encounter structure (ERMES) is a marker of sites of mitochondrial division, but it is also involved in a plethora of other mitochondrial functions. However, it remains unclear how these differen …
In the yeast Saccharomyces cerevisiae, the endoplasmic reticulum-mitochondrial encounter structure (ERMES) is a marker of sites of mitochond …
TORC1 regulates vacuole membrane composition through ubiquitin- and ESCRT-dependent microautophagy.
Yang X, Zhang W, Wen X, Bulinski PJ, Chomchai DA, Arines FM, Liu YY, Sprenger S, Teis D, Klionsky DJ, Li M. Yang X, et al. J Cell Biol. 2020 Mar 2;219(3):e201902127. doi: 10.1083/jcb.201902127. J Cell Biol. 2020. PMID: 32045480 Free PMC article.
Here, we discovered that starvation and TORC1 inactivation not only lead to the up-regulation of autophagy and vacuole proteins involved in recycling but also result in the down-regulation of many vacuole membrane proteins to supply amino acids as part …
Here, we discovered that starvation and TORC1 inactivation not only lead to the up-regulation of autophagy and vacuole protein …
Selective microautophagy of proteasomes is initiated by ESCRT-0 and is promoted by proteasome ubiquitylation.
Li J, Hochstrasser M. Li J, et al. J Cell Sci. 2022 Feb 15;135(4):jcs259393. doi: 10.1242/jcs.259393. Epub 2022 Feb 21. J Cell Sci. 2022. PMID: 35099016
A recently described AMP-activated protein kinase (AMPK)-regulated endosomal sorting complex required for transport (ESCRT)-dependent microautophagy pathway also regulates proteasome trafficking and degradation in low-glucose conditions in yeast. ...The Rsp5
A recently described AMP-activated protein kinase (AMPK)-regulated endosomal sorting complex required for transport (ESCRT)-dependent …
Convergence of ubiquitylation and phosphorylation signaling in rapamycin-treated yeast cells.
Iesmantavicius V, Weinert BT, Choudhary C. Iesmantavicius V, et al. Mol Cell Proteomics. 2014 Aug;13(8):1979-92. doi: 10.1074/mcp.O113.035683. Epub 2014 Jun 24. Mol Cell Proteomics. 2014. PMID: 24961812 Free PMC article.
The phosphoproteome was extensively modulated by rapamycin treatment, with more than 900 up-regulated sites one hour after rapamycin treatment. Dynamically regulated phosphoproteins were involved in diverse cellular processes, prominently including transcript …
The phosphoproteome was extensively modulated by rapamycin treatment, with more than 900 up-regulated sites one hour after rapamycin …
Ubiquitin-proteasome system and mitochondria - reciprocity.
Livnat-Levanon N, Glickman MH. Livnat-Levanon N, et al. Biochim Biophys Acta. 2011 Feb;1809(2):80-7. doi: 10.1016/j.bbagrm.2010.07.005. Epub 2010 Jul 30. Biochim Biophys Acta. 2011. PMID: 20674813 Review.
For example, Fzo1, a mitochondrial outer membrane mitofusin was shown to be ubiquitinated by a ubiquitin ligase, Cdc53(MDM30), and degraded by the proteasome. ...Defects in mitochondrial morphology or respiration capacity are also reported for mutations in ot …
For example, Fzo1, a mitochondrial outer membrane mitofusin was shown to be ubiquitinated by a ubiquitin ligase, Cdc53( …
TORC1 regulates endocytosis via Npr1-mediated phosphoinhibition of a ubiquitin ligase adaptor.
MacGurn JA, Hsu PC, Smolka MB, Emr SD. MacGurn JA, et al. Cell. 2011 Nov 23;147(5):1104-17. doi: 10.1016/j.cell.2011.09.054. Cell. 2011. PMID: 22118465 Free article.
The mechanism involves the Npr1 kinase, a negative regulator of endocytosis that is itself negatively regulated by TORC1. ...Thus, our study adds ubiquitin ligase targeting and control of endocytosis to the known effector mechanisms of TO …
The mechanism involves the Npr1 kinase, a negative regulator of endocytosis that is itself negatively regulated by TORC …