Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Securin is required for chromosomal stability in human cells.
Cell 105, 445-457 (2001)
Abnormalities of chromosome number are the most common genetic aberrations in cancer. The mechanisms regulating the fidelity of mitotic chromosome transmission in mammalian cells are therefore of great interest. Here we show that human cells without an hSecurin gene lose chromosomes at a high frequency. This loss was linked to abnormal anaphases during which cells underwent repetitive unsuccessful attempts to segregate their chromosomes. The abnormal mitoses were associated with biochemical defects in the activation of separin, the sister-separating protease, rendering it unable to cleave the cohesin subunit Scc1 efficiently. These results illuminate the function of mammalian securin and show that it is essential for the maintenance of euploidy.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
2001
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0092-8674
e-ISSN
1097-4172
Zeitschrift
Cell
Quellenangaben
Band: 105,
Heft: 4,
Seiten: 445-457
Verlag
Cell Press
Verlagsort
Cambridge, Mass.
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Human Genetics (IHG)
PubMed ID
11371342
Erfassungsdatum
2001-12-31