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A centrosome-independent role for {gamma}-TuRC proteins in the spindle assembly checkpoint

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons50436

Müller,  Hannah
Dept. of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50156

Fogeron,  Marie-Laure
Dept. of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society;

Lehmann,  Verena
Max Planck Society;

Lehrach,  Hnas
Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50403

Lange,  Bodo M. H.
Dept. of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society;

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LangeB.pdf
(beliebiger Volltext), 272KB

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Zitation

Müller, H., Fogeron, M.-L., Lehmann, V., Lehrach, H., & Lange, B. M. H. (2006). A centrosome-independent role for {gamma}-TuRC proteins in the spindle assembly checkpoint. Science, 314(5799), 654-657. doi:10.1126/science.1132834.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-8367-B
Zusammenfassung
The spindle assembly checkpoint guards the fidelity of chromosome segregation. It requires the close cooperation of cell cycle regulatory proteins and cytoskeletal elements to sense spindle integrity. The role of the centrosome, the organizing center of the microtubule cytoskeleton, in the spindle checkpoint is unclear. We found that the molecular requirements for a functional spindle checkpoint included components of the large {gamma}-tubulin ring complex ({gamma}-TuRC). However, their localization at the centrosome and centrosome integrity were not essential for this function. Thus, the spindle checkpoint can be activated at the level of microtubule nucleation.