2004
DOI: 10.4161/cc.3.11.1203
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Distinct Dynamics of Aurora B and Survivin During Mitosis

Abstract: We have studied the dynamics of Aurora B and Survivin during mitosis in living cells, using C-terminal GFP chimeras of the two proteins. These chimeras showed identical localization and behave as bona fide wild type proteins. The mobility of Aurora B-GFP and Survivin-GFP was analyzed by FRAP. The data show that Survivin-GFP, in contrast to Aurora B-GFP, is highly mobile at prometaphase and metaphase. At telophase and cell cleavage, both chimeras are found to be fully immobile. The ablation of Aurora B by siRNA… Show more

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Cited by 41 publications
(58 citation statements)
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“…pool, whereas Aurora B appears to be relatively more stably associated (Murata-Hori and Wang, 2002;Beardmore et al, 2004;Delacour-Larose et al, 2004). In a normal cell, this dynamic binding to the centromere and the relatively higher accumulation of Aurora B would provide a high concentration of the kinase to perform not only its chromatin-associated roles but also its kinetochore-associated functions.…”
Section: Discussionmentioning
confidence: 99%
“…pool, whereas Aurora B appears to be relatively more stably associated (Murata-Hori and Wang, 2002;Beardmore et al, 2004;Delacour-Larose et al, 2004). In a normal cell, this dynamic binding to the centromere and the relatively higher accumulation of Aurora B would provide a high concentration of the kinase to perform not only its chromatin-associated roles but also its kinetochore-associated functions.…”
Section: Discussionmentioning
confidence: 99%
“…31,32 Moreover, survivin-EGFP fusions have been widely used to study both the bifunctional role of survivin and its dynamic intracellular localization and seem fully functional. [33][34][35] In contrast to sponge tissue that show a very low steadystate expression level, proliferating cells of primmorphs contained a considerable amount of SDSURVL, indicative of its involvement in cell division. This assumption was supported by a significantly increased proliferation rate of HEK-293 cells expressing SDSURVL-EGFP.…”
Section: Discussionmentioning
confidence: 99%
“…Tous deux interagissent, par leur domaine amino-terminal, directement avec la protéine Survivine. La stabilité de ce complexe a été étudiée par des expériences de microscopie en cellules vivantes : le FRAP (recouvrement de fluorescence après photoblanchiement) [14,15]. Les protéines INCENP, Aurora B et Boréaline sont ancrées sur les chromosomes puis sur les microtubules et ne présentent pas de mobilité apparente [15] Figure 3).…”
Section: Caractéristiques Des Composants De Ce Complexeunclassified