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| http://purl.uniprot.org/citations/26023773 | http://www.w3.org/2000/01/rdf-schema#comment | "Mitotic repression of rRNA synthesis requires inactivation of the RNA polymerase I (Pol I)-specific transcription factor SL1 by Cdk1/cyclin B-dependent phosphorylation of TAF(I)110 (TBP-associated factor 110) at a single threonine residue (T852). Upon exit from mitosis, T852 is dephosphorylated by Cdc14B, which is sequestered in nucleoli during interphase and is activated upon release from nucleoli at prometaphase. Mitotic repression of Pol I transcription correlates with transient nucleolar enrichment of the NAD(+)-dependent deacetylase SIRT1, which deacetylates another subunit of SL1, TAFI68. Hypoacetylation of TAFI68 destabilizes SL1 binding to the rDNA promoter, thereby impairing transcription complex assembly. Inhibition of SIRT1 activity alleviates mitotic repression of Pol I transcription if phosphorylation of TAF(I)110 is prevented. The results demonstrate that reversible phosphorylation of TAF(I)110 and acetylation of TAFI68 are key modifications that regulate SL1 activity and mediate fluctuations of pre-rRNA synthesis during cell cycle progression."xsd:string |
| http://purl.uniprot.org/citations/26023773 | http://purl.org/dc/terms/identifier | "doi:10.1371/journal.pgen.1005246"xsd:string |
| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/author | "Grummt I."xsd:string |
| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/author | "Voit R."xsd:string |
| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/author | "Seiler J."xsd:string |
| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/date | "2015"xsd:gYear |
| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/name | "PLoS Genet"xsd:string |
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| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/title | "Cooperative Action of Cdk1/cyclin B and SIRT1 Is Required for Mitotic Repression of rRNA Synthesis."xsd:string |
| http://purl.uniprot.org/citations/26023773 | http://purl.uniprot.org/core/volume | "11"xsd:string |
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