Centriolar Satellites

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منابع مشابه

Centriolar Satellites

We identified Xenopus pericentriolar material-1 (PCM-1), which had been reported to constitute pericentriolar material, cloned its cDNA, and generated a specific pAb against this molecule. Immunolabeling revealed that PCM-1 was not a pericentriolar material protein, but a specific component of centriolar satellites, morphologically characterized as electron-dense granules, approximately 70-100 ...

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The AmAZI1ng Roles of Centriolar Satellites during Development

The precise trafficking and spatial organization of signaling molecules within cells is critical for many fundamental cellular processes. Two interconnected microtubule-based organelles, the centrosome and primary cilium, have been making headlines recently due to their role as central ‘‘hubs’’ for coordinating such signaling events. The centrosome is the major microtubule-nucleating center in ...

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Centriolar Satellites Control GABARAP Ubiquitination and GABARAP-Mediated Autophagy

Autophagy maintains cellular health and homeostasis during stress by delivering cytosolic material captured by autophagosomes to lysosomes for degradation. Autophagosome formation is complex: initiated by the recruitment of autophagy (Atg) proteins to the formation site, it is sustained by activation of Atg proteins to allow growth and closure of the autophagosome. How Atg proteins are transloc...

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Centriolar satellites assemble centrosomal microcephaly proteins to recruit CDK2 and promote centriole duplication

Primary microcephaly (MCPH) associated proteins CDK5RAP2, CEP152, WDR62 and CEP63 colocalize at the centrosome. We found that they interact to promote centriole duplication and form a hierarchy in which each is required to localize another to the centrosome, with CDK5RAP2 at the apex, and CEP152, WDR62 and CEP63 at sequentially lower positions. MCPH proteins interact with distinct centriolar sa...

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Centriolar Satellites: Molecular Characterization, ATP-dependent Movement Toward Centrioles and Possible Involvement in Ciliogenesis

We identified Xenopus pericentriolar material-1 (PCM-1), which had been reported to constitute pericentriolar material, cloned its cDNA, and generated a specific pAb against this molecule. Immunolabeling revealed that PCM-1 was not a pericentriolar material protein, but a specific component of centriolar satellites, morphologically characterized as electrondense granules, z 70–100 nm in diamete...

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ژورنال

عنوان ژورنال: Journal of Cell Biology

سال: 1999

ISSN: 0021-9525,1540-8140

DOI: 10.1083/jcb.147.5.969