期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 369, 期 1650, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rstb.2013.0458
关键词
hub; spoke; SAS-6/Bld12p; Cep135/Bld10p; SAS-5/Ana2/STIL
类别
资金
- JSPS KAKENHI [23657046, 24370079, 25113503]
- Grants-in-Aid for Scientific Research [25113503, 23657046] Funding Source: KAKEN
The cartwheel is a subcentriolar structure consisting of a central hub and nine radially arranged spokes, located at the proximal end of the centriole. It appears at the initial stage of the centriole assembly process as the first ninefold symmetrical structure. The cartwheel was first described more than 50 years ago, but it is only recently that its pivotal role in establishing the ninefold symmetry of the centriole was demonstrated. Significant progress has since been made in understanding its fine structure and assembly mechanism. Most importantly, the central part of the cartwheel, from which the ninefold symmetry originates, is shown to form by self-association of nine dimers of the protein SAS-6. This finding, together with emerging data on other components of the cartwheel, has opened new avenues in centrosome biology.
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