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van Haren, J.* ; Charafeddine, R.A.* ; Ettinger, A. ; Wang, H.* ; Hahn, K.M.* ; Wittmann, T.*

Local control of intracellular microtubule dynamics by EB1 photodissociation.

Nat. Cell Biol. 20, 252–261 (2018)
Postprint Forschungsdaten DOI
Open Access Green
End-binding proteins (EBs) are adaptors that recruit functionally diverse microtubule plus-end-tracking proteins (+TIPs) to growing microtubule plus ends. To test with high spatial and temporal accuracy how, when and where + TIP complexes contribute to dynamic cell biology, we developed a photo-inactivated EB1 variant (pi-EB1) by inserting a blue-light-sensitive protein-protein interaction module between the microtubule-binding and + TIP-binding domains of EB1 pi-EB1 replaces endogenous EB1 function in the absence of blue light. By contrast, blue-light-mediated pi-EB1 photodissociation results in rapid + TIP complex disassembly, and acutely and reversibly attenuates microtubule growth independent of microtubule end association of the microtubule polymerase CKAP5 (also known as ch-TOG and XMAP215). Local pi-EB1 photodissociation allows subcellular control of microtubule dynamics at the second and micrometre scale, and elicits aversive turning of migrating cancer cells. Importantly, light-mediated domain splitting can serve as a template to optically control other intracellular protein activities.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Plus End-tracking; Particle Tracking; Cell Motility; Living Cells; In-vitro; Proteins; Growth; Light; Reconstitution; Localization
Sprache englisch
Veröffentlichungsjahr 2018
HGF-Berichtsjahr 2018
ISSN (print) / ISBN 1465-7392
e-ISSN 1476-4679
Zeitschrift Nature Cell Biology
Quellenangaben Band: 20, Heft: 3, Seiten: 252–261 Artikelnummer: , Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epigenetics and Stem Cells (IES)
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-506200-001
DOI 10.1038/s41556-017-0028-5
WOS ID WOS:000426059400008
Scopus ID 85041140186
Erfassungsdatum 2018-03-20
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