author_facet Georges, Adrien
Gopaul, Diyavarshini
Denby Wilkes, Cyril
Giordanengo Aiach, Nathalie
Novikova, Elizaveta
Barrault, Marie-Bénédicte
Alibert, Olivier
Soutourina, Julie
Georges, Adrien
Gopaul, Diyavarshini
Denby Wilkes, Cyril
Giordanengo Aiach, Nathalie
Novikova, Elizaveta
Barrault, Marie-Bénédicte
Alibert, Olivier
Soutourina, Julie
author Georges, Adrien
Gopaul, Diyavarshini
Denby Wilkes, Cyril
Giordanengo Aiach, Nathalie
Novikova, Elizaveta
Barrault, Marie-Bénédicte
Alibert, Olivier
Soutourina, Julie
spellingShingle Georges, Adrien
Gopaul, Diyavarshini
Denby Wilkes, Cyril
Giordanengo Aiach, Nathalie
Novikova, Elizaveta
Barrault, Marie-Bénédicte
Alibert, Olivier
Soutourina, Julie
Nucleic Acids Research
Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
Genetics
author_sort georges, adrien
spelling Georges, Adrien Gopaul, Diyavarshini Denby Wilkes, Cyril Giordanengo Aiach, Nathalie Novikova, Elizaveta Barrault, Marie-Bénédicte Alibert, Olivier Soutourina, Julie 0305-1048 1362-4962 Oxford University Press (OUP) Genetics http://dx.doi.org/10.1093/nar/gkz598 <jats:title>Abstract</jats:title><jats:p>Transcription and maintenance of genome integrity are fundamental cellular functions. Deregulation of transcription and defects in DNA repair lead to serious pathologies. The Mediator complex links RNA polymerase (Pol) II transcription and nucleotide excision repair via Rad2/XPG endonuclease. However, the functional interplay between Rad2/XPG, Mediator and Pol II remains to be determined. In this study, we investigated their functional dynamics using genomic and genetic approaches. In a mutant affected in Pol II phosphorylation leading to Mediator stabilization on core promoters, Rad2 genome-wide occupancy shifts towards core promoters following that of Mediator, but decreases on transcribed regions together with Pol II. Specific Mediator mutations increase UV sensitivity, reduce Rad2 recruitment to transcribed regions, lead to uncoupling of Rad2, Mediator and Pol II and to colethality with deletion of Rpb9 Pol II subunit involved in transcription-coupled repair. We provide new insights into the functional interplay between Rad2, Mediator and Pol II and propose that dynamic interactions with Mediator and Pol II are involved in Rad2 loading to the chromatin. Our work contributes to the understanding of the complex link between transcription and DNA repair machineries, dysfunction of which leads to severe diseases.</jats:p> Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin Nucleic Acids Research
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title Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_unstemmed Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_full Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_fullStr Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_full_unstemmed Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_short Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_sort functional interplay between mediator and rna polymerase ii in rad2/xpg loading to the chromatin
topic Genetics
url http://dx.doi.org/10.1093/nar/gkz598
publishDate 2019
physical 8988-9004
description <jats:title>Abstract</jats:title><jats:p>Transcription and maintenance of genome integrity are fundamental cellular functions. Deregulation of transcription and defects in DNA repair lead to serious pathologies. The Mediator complex links RNA polymerase (Pol) II transcription and nucleotide excision repair via Rad2/XPG endonuclease. However, the functional interplay between Rad2/XPG, Mediator and Pol II remains to be determined. In this study, we investigated their functional dynamics using genomic and genetic approaches. In a mutant affected in Pol II phosphorylation leading to Mediator stabilization on core promoters, Rad2 genome-wide occupancy shifts towards core promoters following that of Mediator, but decreases on transcribed regions together with Pol II. Specific Mediator mutations increase UV sensitivity, reduce Rad2 recruitment to transcribed regions, lead to uncoupling of Rad2, Mediator and Pol II and to colethality with deletion of Rpb9 Pol II subunit involved in transcription-coupled repair. We provide new insights into the functional interplay between Rad2, Mediator and Pol II and propose that dynamic interactions with Mediator and Pol II are involved in Rad2 loading to the chromatin. Our work contributes to the understanding of the complex link between transcription and DNA repair machineries, dysfunction of which leads to severe diseases.</jats:p>
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author Georges, Adrien, Gopaul, Diyavarshini, Denby Wilkes, Cyril, Giordanengo Aiach, Nathalie, Novikova, Elizaveta, Barrault, Marie-Bénédicte, Alibert, Olivier, Soutourina, Julie
author_facet Georges, Adrien, Gopaul, Diyavarshini, Denby Wilkes, Cyril, Giordanengo Aiach, Nathalie, Novikova, Elizaveta, Barrault, Marie-Bénédicte, Alibert, Olivier, Soutourina, Julie, Georges, Adrien, Gopaul, Diyavarshini, Denby Wilkes, Cyril, Giordanengo Aiach, Nathalie, Novikova, Elizaveta, Barrault, Marie-Bénédicte, Alibert, Olivier, Soutourina, Julie
author_sort georges, adrien
container_issue 17
container_start_page 8988
container_title Nucleic Acids Research
container_volume 47
description <jats:title>Abstract</jats:title><jats:p>Transcription and maintenance of genome integrity are fundamental cellular functions. Deregulation of transcription and defects in DNA repair lead to serious pathologies. The Mediator complex links RNA polymerase (Pol) II transcription and nucleotide excision repair via Rad2/XPG endonuclease. However, the functional interplay between Rad2/XPG, Mediator and Pol II remains to be determined. In this study, we investigated their functional dynamics using genomic and genetic approaches. In a mutant affected in Pol II phosphorylation leading to Mediator stabilization on core promoters, Rad2 genome-wide occupancy shifts towards core promoters following that of Mediator, but decreases on transcribed regions together with Pol II. Specific Mediator mutations increase UV sensitivity, reduce Rad2 recruitment to transcribed regions, lead to uncoupling of Rad2, Mediator and Pol II and to colethality with deletion of Rpb9 Pol II subunit involved in transcription-coupled repair. We provide new insights into the functional interplay between Rad2, Mediator and Pol II and propose that dynamic interactions with Mediator and Pol II are involved in Rad2 loading to the chromatin. Our work contributes to the understanding of the complex link between transcription and DNA repair machineries, dysfunction of which leads to severe diseases.</jats:p>
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spelling Georges, Adrien Gopaul, Diyavarshini Denby Wilkes, Cyril Giordanengo Aiach, Nathalie Novikova, Elizaveta Barrault, Marie-Bénédicte Alibert, Olivier Soutourina, Julie 0305-1048 1362-4962 Oxford University Press (OUP) Genetics http://dx.doi.org/10.1093/nar/gkz598 <jats:title>Abstract</jats:title><jats:p>Transcription and maintenance of genome integrity are fundamental cellular functions. Deregulation of transcription and defects in DNA repair lead to serious pathologies. The Mediator complex links RNA polymerase (Pol) II transcription and nucleotide excision repair via Rad2/XPG endonuclease. However, the functional interplay between Rad2/XPG, Mediator and Pol II remains to be determined. In this study, we investigated their functional dynamics using genomic and genetic approaches. In a mutant affected in Pol II phosphorylation leading to Mediator stabilization on core promoters, Rad2 genome-wide occupancy shifts towards core promoters following that of Mediator, but decreases on transcribed regions together with Pol II. Specific Mediator mutations increase UV sensitivity, reduce Rad2 recruitment to transcribed regions, lead to uncoupling of Rad2, Mediator and Pol II and to colethality with deletion of Rpb9 Pol II subunit involved in transcription-coupled repair. We provide new insights into the functional interplay between Rad2, Mediator and Pol II and propose that dynamic interactions with Mediator and Pol II are involved in Rad2 loading to the chromatin. Our work contributes to the understanding of the complex link between transcription and DNA repair machineries, dysfunction of which leads to severe diseases.</jats:p> Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin Nucleic Acids Research
spellingShingle Georges, Adrien, Gopaul, Diyavarshini, Denby Wilkes, Cyril, Giordanengo Aiach, Nathalie, Novikova, Elizaveta, Barrault, Marie-Bénédicte, Alibert, Olivier, Soutourina, Julie, Nucleic Acids Research, Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin, Genetics
title Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_full Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_fullStr Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_full_unstemmed Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_short Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
title_sort functional interplay between mediator and rna polymerase ii in rad2/xpg loading to the chromatin
title_unstemmed Functional interplay between Mediator and RNA polymerase II in Rad2/XPG loading to the chromatin
topic Genetics
url http://dx.doi.org/10.1093/nar/gkz598