Artículos de revistas
The Molecular Motor Myosin Va Interacts With The Cilia-centrosomal Protein Rpgrip1l
Registro en:
Scientific Reports. Nature Publishing Group, v. 7, p. , 2017.
2045-2322
WOS:000395641700001
10.1038/srep43692
Autor
Assis
L. H. P.; Silva-Junior
R. M. P.; Dolce
L. G.; Alborghetti
M. R.; Honorato
R. V.; Nascimento
A. F. Z.; Melo-Hanchuk
T. D.; Trindade
D. M.; Tonoli
C. C. C.; Santos
C. T.; Oliveira
P. S. L.; Larson
R. E.; Kobarg
J.; Espreafico
E. M.; Giuseppe
P. O.; Murakami
M. T.
Institución
Resumen
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Myosin Va (MyoVa) is an actin-based molecular motor abundantly found at the centrosome. However, the role of MyoVa at this organelle has been elusive due to the lack of evidence on interacting partners or functional data. Herein, we combined yeast two-hybrid screen, biochemical studies and cellular assays to demonstrate that MyoVa interacts with RPGRIP1L, a cilia-centrosomal protein that controls ciliary signaling and positioning. MyoVa binds to the C2 domains of RPGRIP1L via residues located near or in the Rab11a-binding site, a conserved site in the globular tail domain (GTD) from class V myosins. According to proximity ligation assays, MyoVa and RPGRIP1L can interact near the cilium base in ciliated RPE cells. Furthermore, we showed that RPE cells expressing dominant-negative constructs of MyoVa are mostly unciliated, providing the first experimental evidence about a possible link between this molecular motor and cilia-related processes. 7 Sao Paulo Research Foundation (FAPESP) grant [2009/08312-6, 2014/09720-9, 2014/18189-5] FAPESP student stipend [2011/20229-7, 2009/54882-9] FAPESP grant (Multiuser Laboratories of Multiphoton Microscopy) [2009/54014-7] FAPESP grant (Confocal Microscopy) [2004/08868-0] National Council for Scientific and Technological Development (CNPq) grant [478059/2009-4, 486841/2012-0, 506780/2013-9] CNPq student stipend [140133/2012-7] Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)