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Data · dataset · 2014

Poly(ADP-ribosyl)ation is recognized by ECT2 during mitosis

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Poly(ADP-ribosyl)ation is an unique posttranslational modification and required for spindle assembly and function during mitosis.

Description

However, the molecular mechanism of poly(ADP-ribose) (PAR) in mitosis remains elusive. Here, we show the evidence that PAR is recognized by ECT2, a key guanine nucleotide exchange factor in mitosis.

The BRCT domain of ECT2 directly binds to PAR both in vitro and in vivo . We further found that α-tubulin is PARylated during mitosis. PARylation of α-tubulin is recognized by ECT2 and recruits ECT2 to mitotic spindle for completing mitosis.

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Taken together, our study reveals a novel mechanism by which PAR regulates mitosis.

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Health sciences
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Life Sciences
Provenance · 1 source records, 10 field assertions
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DataCite10.6084/m9.figshare.157136214 d agoJSON v1
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concepts[field].local:field:life-sciencesmapping · DataCitevocabulary-mapper@1.0.0keywords['Biological Sciences']
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