Poly(ADP-ribosyl)ation as a new posttranslational modification of YB-1 - Archive ouverte HAL Access content directly
Journal Articles Biochimie Year : 2015

Poly(ADP-ribosyl)ation as a new posttranslational modification of YB-1

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Abstract

Multifunctional Y-box binding protein 1 (YB-1) is actively studied as one of the components of cellular response to genotoxic stress. However, the precise role of YB-1 in the process of DNA repair is still obscure. In the present work we report for the first time new posttranslational modification of YB-1 - poly(ADP-ribosyl)ation, catalyzed by one of the main regulatory enzymes of DNA repair - poly(ADP-ribose)polymerase 1 (PARP1) in the presence of model DNA substrate carrying multiple DNA lesions. Therefore, poly(ADP-ribosyl)ation of YB-1 catalyzed with PARP1, can be stimulated by damaged DNA. The observed property of YB-1 underlines its ability to participate in the DNA repair by its involvement in the regulatory cascades of DNA repair.
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Dates and versions

hal-02272805 , version 1 (28-08-2019)

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Elizaveta Alemasova, Pavel Pestryakov, Maria Sukhanova, Dmitry Kretov, Nina Moor, et al.. Poly(ADP-ribosyl)ation as a new posttranslational modification of YB-1. Biochimie, 2015, 119, pp.36-44. ⟨10.1016/j.biochi.2015.10.008⟩. ⟨hal-02272805⟩
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