Interactome analysis reveals that FAM161A, deficient in recessive retinitis pigmentosa, is a component of the Golgi-centrosomal network.

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Version: Final published version
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ID Serval
serval:BIB_CA43B98E107E
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Interactome analysis reveals that FAM161A, deficient in recessive retinitis pigmentosa, is a component of the Golgi-centrosomal network.
Périodique
Human Molecular Genetics
Auteur⸱e⸱s
Di Gioia S.A., Farinelli P., Letteboer S.J., Arsenijevic Y., Sharon D., Roepman R., Rivolta C.
ISSN
1460-2083 (Electronic)
ISSN-L
0964-6906
Statut éditorial
Publié
Date de publication
2015
Peer-reviewed
Oui
Volume
24
Numéro
12
Pages
3359-3371
Langue
anglais
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov't Publication Status: ppublish
Résumé
Defects in FAM161A, a protein of unknown function localized at the cilium of retinal photoreceptor cells, cause retinitis pigmentosa, a form of hereditary blindness. By using different fragments of this protein as baits to screen cDNA libraries of human and bovine retinas, we defined a yeast two-hybrid-based FAM161A interactome, identifying 53 bona fide partners. In addition to statistically significant enrichment in ciliary proteins, as expected, this interactome revealed a substantial bias towards proteins from the Golgi apparatus, the centrosome and the microtubule network. Validation of interaction with key partners by co-immunoprecipitation and proximity ligation assay confirmed that FAM161A is a member of the recently recognized Golgi-centrosomal interactome, a network of proteins interconnecting Golgi maintenance, intracellular transport and centrosome organization. Notable FAM161A interactors included AKAP9, FIP3, GOLGA3, KIFC3, KLC2, PDE4DIP, NIN and TRIP11. Furthermore, analysis of FAM161A localization during the cell cycle revealed that this protein followed the centrosome during all stages of mitosis, likely reflecting a specific compartmentalization related to its role at the ciliary basal body during the G0 phase. Altogether, these findings suggest that FAM161A's activities are probably not limited to ciliary tasks but also extend to more general cellular functions, highlighting possible novel mechanisms for the molecular pathology of retinal disease.
Pubmed
Web of science
Open Access
Oui
Création de la notice
21/04/2015 18:26
Dernière modification de la notice
14/02/2022 8:57
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