A centrosome-independent role for gamma-TuRC proteins in the spindle assembly checkpoint - PubMed (original) (raw)

. 2006 Oct 27;314(5799):654-7.

doi: 10.1126/science.1132834.

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• PMID: 17068266
• DOI: 10.1126/science.1132834

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

Hannah Müller et al. Science. 2006.

Abstract

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.

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Comment in

• Comment on "A centrosome-independent role for gamma-TuRC proteins in the spindle assembly checkpoint".
  Taylor SS, Hardwick KG, Sawin KE, Biggins S, Piatti S, Khodjakov A, Rieder CL, Salmon ED, Musacchio A. Taylor SS, et al. Science. 2007 May 18;316(5827):982; author reply 982. doi: 10.1126/science.1139484. Science. 2007. PMID: 17510347 Free PMC article.
• Comment on "A centrosome-independent role for gamma-TuRC proteins in the spindle assembly checkpoint".
  Weaver BA, Cleveland DW. Weaver BA, et al. Science. 2007 May 18;316(5827):982; author reply 982. doi: 10.1126/science.1139523. Science. 2007. PMID: 17510348

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