PLK1 interacts and phosphorylates Axin that is essential for proper centrosome formation.
PLK1 interacts and phosphorylates Axin that is essential for proper centrosome formation.
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PLK1 与 Axin 相互作用并使其磷酸化,这对于正确的中心体形成至关重要。
DOI:
10.1371/journal.pone.0049184
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Lin SY
中科院分区:
文献类型:
--
作者:
Ruan K;Ye F;Li C;Liou YC;Lin SC;Lin SY
Abnormal amplification of centrosomes could lead to improper chromosome segregation and aneuploidy and is implicated in cancer development. Here, we demonstrate that Axin, a scaffolding protein in Wnt signaling, is phosphorylated by PLK1 during mitosis. Phosphorylation of Axin Ser-157 by PLK1 abolished Axin association with γ-tubulin, while substitution of Ser-157 with alanine exhibited sustained interaction with γ-tubulin. In addition, overexpression of Axin-S157A significantly increased the number of cells with multi-centrosomes. These results suggest that the phosphorylation status of Axin, mediated by PLK1, dynamically regulates its association with γ-tubulin and centrosome formation and segregation.
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DOI:
10.1038/nrm2718
发表时间:
2009-07
期刊:
Nature reviews. Molecular cell biology
影响因子:
--
作者:
通讯作者:
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影响因子:
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作者:
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通讯作者:
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影响因子:
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DOI:
10.1073/pnas.0604206103
发表时间:
2006-07-11
影响因子:
11.1
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通讯作者:
Behrens, Juergen