Dephosphorylation of the HIV-1 restriction factor SAMHD1 is mediated by PP2A-B55α holoenzymes during mitotic exit

Dephosphorylation of the HIV-1 restriction factor SAMHD1 is mediated by PP2A-B55α holoenzymes during mitotic exit

SAMHD1 is a critical restriction factor for HIV-1 and its antiviral activity is regulated by T592 phosphorylation. Here, Schott et al. show that the phosphatase PP2A-B55α dephosphorylates SAMHD1 during mitotic exit, rendering it antivirally active in G1 phase of primary CD4+ T cells.

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Detalles Bibliográficos
Autores principales: Kerstin Schott, Nina V. Fuchs, Rita Derua, Bijan Mahboubi, Esther Schnellbächer, Janna Seifried, Christiane Tondera, Heike Schmitz, Caitlin Shepard, Alberto Brandariz-Nuñez, Felipe Diaz-Griffero, Andreas Reuter, Baek Kim, Veerle Janssens, Renate König
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Science
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Acceso en línea:https://doaj.org/article/3b8f796c4d5d4e31b78e854d8aab59b2
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Descripción
Sumario:SAMHD1 is a critical restriction factor for HIV-1 and its antiviral activity is regulated by T592 phosphorylation. Here, Schott et al. show that the phosphatase PP2A-B55α dephosphorylates SAMHD1 during mitotic exit, rendering it antivirally active in G1 phase of primary CD4+ T cells.

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