Report
VDAC3 regulates centriole assembly by targeting Mps1 to centrosomes
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Volume 11, Issue 19 October 1, 2012
Pages 3666 - 3678
http://dx.doi.org/10.4161/cc.21927
Keywords: Mps1, VDAC, centriole assembly, centrosome, kinase
Authors: Shubhra Majumder, Mark Slabodnick, Amanda Pike, Joseph Marquardt and Harold A. Fisk
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- Shubhra Majumder
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Department of Molecular Genetics; The Ohio State University; Columbus OH USA
- Mark Slabodnick
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Department of Molecular Genetics; The Ohio State University; Columbus OH USA
Current affiliation: Department of Biochemistry & Biophysics; UCSF Mission Bay; San Francisco, CA USA
- Amanda Pike
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Department of Molecular Genetics; The Ohio State University; Columbus OH USA
- Joseph Marquardt
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Department of Molecular Genetics; The Ohio State University; Columbus OH USA
- Harold A. Fisk
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Corresponding author: fisk.13@osu.edu
Department of Molecular Genetics; The Ohio State University; Columbus OH USA
Abstract:
Centrioles are duplicated during S-phase to generate the two centrosomes that serve as mitotic spindle poles during mitosis. The centrosomal pool of the Mps1 kinase is important for centriole assembly, but how Mps1 is delivered to centrosomes is unknown. Here we have identified a centrosome localization domain within Mps1 and identified the mitochondrial porin VDAC3 as a protein that binds to this region of Mps1. Moreover, we show that VDAC3 is present at the mother centriole and modulates centriole assembly by recruiting Mps1 to centrosomes.
Received: August 17, 2012; Accepted: August 22, 2012; Published Online: August 30, 2012
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