Document Detail


Separase-dependent cleavage of pericentrin B is necessary and sufficient for centriole disengagement during mitosis.
MedLine Citation:
PMID:  22722493     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Centriole disengagement is considered an essential step for licensing a new round of centriole duplication in the next cell cycle. Separase is critical for centriole disengagement. Here, we showed that pericentrin B (PCNTB) is specifically cleaved by separase at the exit of mitosis. The cleavage-resistant PCNTB mutant blocks the centriole disengagement and duplication. We also observed that an artificial cleavage of PCNTB during M phase induced premature disengagement of centrioles. Based on these results, we concluded that the separase-dependent cleavage of PCNTB is necessary and sufficient for centriole disengagement during mitosis.
Authors:
Kwanwoo Lee; Kunsoo Rhee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-01
Journal Detail:
Title:  Cell cycle (Georgetown, Tex.)     Volume:  11     ISSN:  1551-4005     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-6-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137841     Medline TA:  Cell Cycle     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Biological Sciences; Seoul National University; Seoul, Korea.
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