ArticleEukaryotic cell2015
Rgc2 Regulator of Glycerol Channel Fps1 Functions as a Homo- and Heterodimer with Rgc1.
Article in Eukaryotic cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Multilevel Regulation of Membrane Proteins in Response to Metal and Metalloid Stress: A Lesson from Yeast.International journal of molecular sciences · 2024Review
- TOR complex 2 is a master regulator of plasma membrane homeostasis.The Biochemical journal · 2022Article
- Multi-Omics Analysis of Lipid Metabolism for a Marine ProbioticFrontiers in genetics · 2021Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
The plasma membrane aquaglyceroporin Fps1 is responsible for glycerol transport in yeast in response to changes in extracellular osmolarity. Fps1 functions as a homotetramer, and control of its channel activity in response to hyperosmotic shock involves a redundant pair of fungus-specific regulators, Rgc1 and Rgc2 (regulators of the glycerol channel), and the mitogen-activatd protein kinase (MAPK) Hog1 (high-osmolarity glycerol response). Rgc1 and Rgc2 maintain Fps1 in an open-channel state by binding to its C-terminal cytoplasmic domain. Phosphorylation of Rgc1 and Rgc2 by Hog1 induces their eviction from Fps1 and consequent channel closure. In the absence of Fps1 channel function, cells experience chronic cell wall stress, which may be exploited for antifungal drug development. We show here that Rgc1 and Rgc2 form homodimers and heterodimers with each other and that dimer formation of Rgc2 is mediated by its N-terminal domain. Mutations that prevent Rgc2 dimerization block its ability to open Fps1. Therefore, the Rgc-Rgc dimer interface might be an attractive drug target.
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Registered trials
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