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Title: | ATAT1-enriched vesicles promote microtubule acetylation via axonal transport | Authors: | Even, Aviel MORELLI, Giovanni Broix, Loïc Scaramuzzino, Chiara Turchetto, Silvia Gladwyn-Ng, Ivan Le Bail, Romain Shilian, Michal Freeman, Stephen Magiera, Maria Jijumon, A Krusy, Nathalie Malgrange, Brigitte BRONE, Bert Dietrich, Paula Dragatsis, Ioannis Janke, Carsten Saudou, Frédéric Weil, Miguel Nguyen, Laurent |
Issue Date: | 2019 | Publisher: | AMER ASSOC ADVANCEMENT SCIENCE | Source: | SCIENCE ADVANCES, 5 (12) (Art N° ARTN eaax2705) | Abstract: | Microtubules are polymerized dimers of -and -tubulin that underlie a broad range of cellular activities. Acetylation of -tubulin by the acetyltransferase ATAT1 modulates microtubule dynamics and functions in neurons. However, it remains unclear how this enzyme acetylates microtubules over long distances in axons. Here, we show that loss of ATAT1 impairs axonal transport in neurons in vivo, and cell-free motility assays confirm a requirement of -tubulin acetylation for proper bidirectional vesicular transport. Moreover, we demonstrate that the main cellular pool of ATAT1 is transported at the cytosolic side of neuronal vesicles that are moving along axons. Together, our data suggest that axonal transport of ATAT1-enriched vesicles is the predominant driver of -tubulin acetylation in axons. | Keywords: | Tubulin Acetyltransferase 1;Binding;Mec-17;Glycolysis;Deficiency;Mechanisms;Inhibitor;Energy;Model;Leads | Document URI: | http://hdl.handle.net/1942/30370 | ISSN: | 2375-2548 | e-ISSN: | 2375-2548 | DOI: | 10.1126/sciadv.aax2705 | ISI #: | WOS:000505069600030 | Rights: | Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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