Crosstalk of Arf and Rab GTPases en route to cilia

Small GTPases are versatile temporal and spatial regulators of virtually all cellular processes including signal transduction, cytoskeleton dynamics and membrane trafficking. They function as molecular switches, aided by a multitude of regulatory and effector proteins that link them into functional...

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Main Author: Deretic, Dusanka
Format: Online
Language:English
Published: Landes Bioscience 2013
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3747259/
id pubmed-3747259
recordtype oai_dc
spelling pubmed-37472592013-08-27 Crosstalk of Arf and Rab GTPases en route to cilia Deretic, Dusanka Mini Review Small GTPases are versatile temporal and spatial regulators of virtually all cellular processes including signal transduction, cytoskeleton dynamics and membrane trafficking. They function as molecular switches, aided by a multitude of regulatory and effector proteins that link them into functional networks. A picture is beginning to emerge whereupon scaffold proteins with many functional domains perform the regulatory and effector functions, thus allowing the ordered recruitment and activation of small GTPases. This leads to the formation of scaffolding patches that coordinate cargo concentration and capture, with the recruitment and activation of the membrane tethering complexes and fusion regulators. This review will focus on the crosstalk of Arf and Rab GTPases at the Golgi complex and the scaffolds that facilitate their activation during trafficking of sensory receptors to primary cilia. The evolutionary conservation of the GTPase cascades in ciliogenesis and yeast budding will be discussed. Landes Bioscience 2013-04-01 2013-04-01 /pmc/articles/PMC3747259/ /pubmed/23567335 http://dx.doi.org/10.4161/sgtp.24396 Text en Copyright © 2013 Landes Bioscience http://creativecommons.org/licenses/by-nc/3.0/ This is an open-access article licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. The article may be redistributed, reproduced, and reused for non-commercial purposes, provided the original source is properly cited.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Deretic, Dusanka
spellingShingle Deretic, Dusanka
Crosstalk of Arf and Rab GTPases en route to cilia
author_facet Deretic, Dusanka
author_sort Deretic, Dusanka
title Crosstalk of Arf and Rab GTPases en route to cilia
title_short Crosstalk of Arf and Rab GTPases en route to cilia
title_full Crosstalk of Arf and Rab GTPases en route to cilia
title_fullStr Crosstalk of Arf and Rab GTPases en route to cilia
title_full_unstemmed Crosstalk of Arf and Rab GTPases en route to cilia
title_sort crosstalk of arf and rab gtpases en route to cilia
description Small GTPases are versatile temporal and spatial regulators of virtually all cellular processes including signal transduction, cytoskeleton dynamics and membrane trafficking. They function as molecular switches, aided by a multitude of regulatory and effector proteins that link them into functional networks. A picture is beginning to emerge whereupon scaffold proteins with many functional domains perform the regulatory and effector functions, thus allowing the ordered recruitment and activation of small GTPases. This leads to the formation of scaffolding patches that coordinate cargo concentration and capture, with the recruitment and activation of the membrane tethering complexes and fusion regulators. This review will focus on the crosstalk of Arf and Rab GTPases at the Golgi complex and the scaffolds that facilitate their activation during trafficking of sensory receptors to primary cilia. The evolutionary conservation of the GTPase cascades in ciliogenesis and yeast budding will be discussed.
publisher Landes Bioscience
publishDate 2013
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3747259/
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