MYO1C facilitates arrival at the Golgi apparatus through stabilization of branched actin
| Autor: | Evelyne Coudrier, Yoshimura A, Bruno Goud, Capmany A, Del Nery E, Kerdous R, Kristine Schauer, Aurianne Lescure |
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| Rok vydání: | 2018 |
| Předmět: |
0303 health sciences
Chemistry Colocalization macromolecular substances Golgi apparatus Cell biology Motor protein 03 medical and health sciences symbols.namesake 0302 clinical medicine Myosin IIA Myosin symbols Fragmentation (cell biology) 030217 neurology & neurosurgery Actin 030304 developmental biology |
| DOI: | 10.1101/409110 |
| Popis: | We aim at the identification of myosin motor proteins that control trafficking at the Golgi apparatus. In addition to the known Golgi-associated myosins MYO6, MYO18A and MYH9 (myosin IIA), we identify MYO1C as a novel player at the Golgi. We demonstrate that depletion of MYO1C induces Golgi apparatus fragmentation and decompaction. MYO1C accumulates at dynamic structures around the Golgi apparatus that colocalize with Golgi-associated actin dots. Interestingly, MYO1C depletion leads to loss of cellular F-actin, and Golgi apparatus decompaction is also observed after the inhibition or loss of the Arp2/3 complex. We show that the functional consequences of MYO1C depletion is a delay in the arrival of incoming transport carriers, both from the anterograde and retrograde routes. We propose that MYO1C stabilizes branched actin at the Golgi apparatus that facilitates the arrival of incoming transport at the Golgi. |
| Databáze: | OpenAIRE |
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