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Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation
End-binding proteins, EBs, are adaptors that recruit functionally diverse +TIP proteins to growing microtubule plus ends. To test with high spatial and temporal accuracy how, when and where +TIP protein complexes contribute to dynamic cell biology, we developed a photo-inactivated EB1 variant (π-EB1...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5826794/ https://www.ncbi.nlm.nih.gov/pubmed/29379139 http://dx.doi.org/10.1038/s41556-017-0028-5 |
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author | van Haren, Jeffrey Charafeddine, Rabab A. Ettinger, Andreas Wang, Hui Hahn, Klaus M. Wittmann, Torsten |
author_facet | van Haren, Jeffrey Charafeddine, Rabab A. Ettinger, Andreas Wang, Hui Hahn, Klaus M. Wittmann, Torsten |
author_sort | van Haren, Jeffrey |
collection | PubMed |
description | End-binding proteins, EBs, are adaptors that recruit functionally diverse +TIP proteins to growing microtubule plus ends. To test with high spatial and temporal accuracy how, when and where +TIP protein complexes contribute to dynamic cell biology, we developed a photo-inactivated EB1 variant (π-EB1) by inserting a blue light-sensitive protein-protein interaction module between the microtubule- and +TIP-binding domains of EB1. π-EB1 replaces endogenous EB1 function in the absence of blue light. In contrast, blue light-mediated π-EB1 photo-dissociation results in rapid +TIP complex disassembly, and acutely and reversibly attenuates microtubule growth independent of microtubule end association of the microtubule polymerase CKAP5 (ch-TOG, XMAP215). Local π-EB1 photo-dissociation allows subcellular microtubule dynamics control at the second and micrometre scale, and elicits aversive turning of migrating cancer cells. Importantly, light-mediated domain splitting can serve as template to optically control other intracellular protein activities. |
format | Online Article Text |
id | pubmed-5826794 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
record_format | MEDLINE/PubMed |
spelling | pubmed-58267942018-07-29 Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation van Haren, Jeffrey Charafeddine, Rabab A. Ettinger, Andreas Wang, Hui Hahn, Klaus M. Wittmann, Torsten Nat Cell Biol Article End-binding proteins, EBs, are adaptors that recruit functionally diverse +TIP proteins to growing microtubule plus ends. To test with high spatial and temporal accuracy how, when and where +TIP protein complexes contribute to dynamic cell biology, we developed a photo-inactivated EB1 variant (π-EB1) by inserting a blue light-sensitive protein-protein interaction module between the microtubule- and +TIP-binding domains of EB1. π-EB1 replaces endogenous EB1 function in the absence of blue light. In contrast, blue light-mediated π-EB1 photo-dissociation results in rapid +TIP complex disassembly, and acutely and reversibly attenuates microtubule growth independent of microtubule end association of the microtubule polymerase CKAP5 (ch-TOG, XMAP215). Local π-EB1 photo-dissociation allows subcellular microtubule dynamics control at the second and micrometre scale, and elicits aversive turning of migrating cancer cells. Importantly, light-mediated domain splitting can serve as template to optically control other intracellular protein activities. 2018-01-29 2018-03 /pmc/articles/PMC5826794/ /pubmed/29379139 http://dx.doi.org/10.1038/s41556-017-0028-5 Text en Users may view, print, copy, and download text and data-mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use: http://www.nature.com/authors/editorial_policies/license.html#terms |
spellingShingle | Article van Haren, Jeffrey Charafeddine, Rabab A. Ettinger, Andreas Wang, Hui Hahn, Klaus M. Wittmann, Torsten Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation |
title | Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation |
title_full | Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation |
title_fullStr | Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation |
title_full_unstemmed | Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation |
title_short | Local Control of Intracellular Microtubule Dynamics by EB1 Photo-Dissociation |
title_sort | local control of intracellular microtubule dynamics by eb1 photo-dissociation |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5826794/ https://www.ncbi.nlm.nih.gov/pubmed/29379139 http://dx.doi.org/10.1038/s41556-017-0028-5 |
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