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Assembly of centrosomal proteins and microtubule organization depends on PCM-1
Open accessAbstract
The protein PCM-1 localizes to cytoplasmic granules known as “centriolar satellites” that are partly enriched around the centrosome. We inhibited PCM-1 function using a variety of approaches: microinjection of antibodies into cultured cells, overexpression of a PCM-1 deletion mutant, and specific depletion of PCM-1 by siRNA. All approaches led to reduced targeting of centrin, pericentrin, and ninein to the centrosome. Similar effects were seen upon inhibition of dynactin by dynamitin, and after prolonged treatment of cells with the microtubule inhibitor nocodazole. Inhibition or depletion of PCM-1 function further disrupted the radial organization of microtubules without affecting microtubule nucleation. Loss of microtubule organization was also observed after centrin or ninein depletion. Our data suggest that PCM-1–containing centriolar satellites are involved in the microtubule- and dynactin-dependent recruitment of proteins to the centrosome, of which centrin and ninein are required for interphase microtubule organization.
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Cited by
Nachury, M. V., Loktev, A. V., Zhang, Q., Westlake, C. J., Peränen, J., Merdes, A., Slusarski, D. C., Scheller, R. H., Bazan, J. F., Sheffield, V. C., et al. (2007) · Cell · doi:10.1016/j.cell.2007.03.053 · Cited by 1,384
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Badano, J. L., Mitsuma, N., Beales, P. L., & Katsanis, N. (2006) · Annual Review of Genomics and Human Genetics · doi:10.1146/annurev.genom.7.080505.115610 · Cited by 1,144
Control of microtubule organization and dynamics: Two ends in the limelight
Akhmanova, A., & Steinmetz, M. O. (2015) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm4084 · Cited by 895
The cytoplasmic dynein transport machinery and its many cargoes
Reck-Peterson, S. L., Redwine, W. B., Vale, R. D., & Carter, A. P. (2018) · Nature Reviews Molecular Cell Biology · doi:10.1038/s41580-018-0004-3 · Cited by 659
Chang, B., Khanna, H., Hawes, N., Jimeno, D., He, S., Lillo, C., Parapuram, S. K., Cheng, H., Scott, A., Hurd, R. E., et al. (2006) · Human Molecular Genetics · doi:10.1093/hmg/ddl107 · Cited by 328
Metadata
- Authors
- Dammermann, A., & Merdes, A.
- Venue
- The Journal of Cell Biology
- Publisher
- Rockefeller University Press
- Published
- 2002-10-28
- Volume
- 159
- Issue
- 2
- Pages
- 255-266
- ISSN
- 0021-9525 (ISSN-L)
- 1540-8140
- OpenAlex
- W2004714825
- Cited by
- 489
- References
- 0
- FWCI
- 4.11
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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