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  • 1
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    CDK targets Sae2 to control DNA-end resection and homologous recombination (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-08-22
    Description: DNA double-strand breaks (DSBs) are repaired by two principal mechanisms: non-homologous end-joining (NHEJ) and homologous recombination (HR). HR is the most accurate DSB repair mechanism but is generally restricted to the S and G2 phases of the cell cycle, when DNA has been replicated and a sister chromatid is available as a repair template. By contrast, NHEJ operates throughout the cell cycle but assumes most importance in G1 (refs 4, 6). The choice between repair pathways is governed by cyclin-dependent protein kinases (CDKs), with a major site of control being at the level of DSB resection, an event that is necessary for HR but not NHEJ, and which takes place most effectively in S and G2 (refs 2, 5). Here we establish that cell-cycle control of DSB resection in Saccharomyces cerevisiae results from the phosphorylation by CDK of an evolutionarily conserved motif in the Sae2 protein. We show that mutating Ser 267 of Sae2 to a non-phosphorylatable residue causes phenotypes comparable to those of a sae2Delta null mutant, including hypersensitivity to camptothecin, defective sporulation, reduced hairpin-induced recombination, severely impaired DNA-end processing and faulty assembly and disassembly of HR factors. Furthermore, a Sae2 mutation that mimics constitutive Ser 267 phosphorylation complements these phenotypes and overcomes the necessity of CDK activity for DSB resection. The Sae2 mutations also cause cell-cycle-stage specific hypersensitivity to DNA damage and affect the balance between HR and NHEJ. These findings therefore provide a mechanistic basis for cell-cycle control of DSB repair and highlight the importance of regulating DSB resection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2635538/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2635538/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huertas, Pablo -- Cortes-Ledesma, Felipe -- Sartori, Alessandro A -- Aguilera, Andres -- Jackson, Stephen P -- A5290/Cancer Research UK/United Kingdom -- LSHG-CT-2005-512113/Cancer Research UK/United Kingdom -- England -- Nature. 2008 Oct 2;455(7213):689-92. doi: 10.1038/nature07215. Epub 2008 Aug 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Wellcome Trust and Cancer Research UK Gurdon Institute, and Department of Zoology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18716619" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; CDC28 Protein Kinase, S cerevisiae/*metabolism ; Cell Cycle ; Cell Line ; Cell Survival ; Conserved Sequence ; *DNA Breaks, Double-Stranded ; *DNA Repair ; Endodeoxyribonucleases/metabolism ; Endonucleases ; Exodeoxyribonucleases/metabolism ; Humans ; Mutation ; Phosphorylation ; Phosphoserine/metabolism ; Rad52 DNA Repair and Recombination Protein/metabolism ; *Recombination, Genetic ; Saccharomyces cerevisiae/enzymology/*genetics/*metabolism ; Saccharomyces cerevisiae Proteins/chemistry/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    Mammalian SUMO E3-ligases PIAS1 and PIAS4 promote responses to DNA double-strand breaks (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-12-18
    Description: DNA double-strand breaks (DSBs) are highly cytotoxic lesions that are generated by ionizing radiation and various DNA-damaging chemicals. Following DSB formation, cells activate the DNA-damage response (DDR) protein kinases ATM, ATR and DNA-PK (also known as PRKDC). These then trigger histone H2AX (also known as H2AFX) phosphorylation and the accumulation of proteins such as MDC1, 53BP1 (also known as TP53BP1), BRCA1, CtIP (also known as RBBP8), RNF8 and RNF168/RIDDLIN into ionizing radiation-induced foci (IRIF) that amplify DSB signalling and promote DSB repair. Attachment of small ubiquitin-related modifier (SUMO) to target proteins controls diverse cellular functions. Here, we show that SUMO1, SUMO2 and SUMO3 accumulate at DSB sites in mammalian cells, with SUMO1 and SUMO2/3 accrual requiring the E3 ligase enzymes PIAS4 and PIAS1. We also establish that PIAS1 and PIAS4 are recruited to damage sites via mechanisms requiring their SAP domains, and are needed for the productive association of 53BP1, BRCA1 and RNF168 with such regions. Furthermore, we show that PIAS1 and PIAS4 promote DSB repair and confer ionizing radiation resistance. Finally, we establish that PIAS1 and PIAS4 are required for effective ubiquitin-adduct formation mediated by RNF8, RNF168 and BRCA1 at sites of DNA damage. These findings thus identify PIAS1 and PIAS4 as components of the DDR and reveal how protein recruitment to DSB sites is controlled by coordinated SUMOylation and ubiquitylation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904806/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904806/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galanty, Yaron -- Belotserkovskaya, Rimma -- Coates, Julia -- Polo, Sophie -- Miller, Kyle M -- Jackson, Stephen P -- 086861/Wellcome Trust/United Kingdom -- 11224/Cancer Research UK/United Kingdom -- A5290/Cancer Research UK/United Kingdom -- Cancer Research UK/United Kingdom -- England -- Nature. 2009 Dec 17;462(7275):935-9. doi: 10.1038/nature08657.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Wellcome Trust and Cancer Research UK Gurdon Institute, and Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20016603" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; BRCA1 Protein/metabolism ; Cell Line ; Cell Line, Tumor ; *DNA Breaks, Double-Stranded ; *DNA Repair ; DNA-Binding Proteins/genetics/metabolism ; Fluorescence Recovery After Photobleaching ; Humans ; Intracellular Signaling Peptides and Proteins/genetics/metabolism ; Models, Biological ; Phosphorylation ; Protein Inhibitors of Activated STAT/chemistry/genetics/*metabolism ; Protein Structure, Tertiary ; Replication Protein A/metabolism ; Small Ubiquitin-Related Modifier Proteins/genetics/*metabolism ; Ubiquitin-Conjugating Enzymes/genetics/metabolism ; Ubiquitin-Protein Ligases/metabolism ; Ubiquitination
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    The DNA-damage response in human biology and disease (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-10-23
    Description: The prime objective for every life form is to deliver its genetic material, intact and unchanged, to the next generation. This must be achieved despite constant assaults by endogenous and environmental agents on the DNA. To counter this threat, life has evolved several systems to detect DNA damage, signal its presence and mediate its repair. Such responses, which have an impact on a wide range of cellular events, are biologically significant because they prevent diverse human diseases. Our improving understanding of DNA-damage responses is providing new avenues for disease management.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2906700/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2906700/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, Stephen P -- Bartek, Jiri -- A5290/Cancer Research UK/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2009 Oct 22;461(7267):1071-8. doi: 10.1038/nature08467.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Gurdon Institute and Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK. s.jackson@gurdon.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19847258" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Cycle/physiology ; DNA Damage/genetics/*physiology ; DNA Repair/genetics/*physiology ; *Disease ; Genome, Human/genetics ; Humans ; Signal Transduction
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Interfaces between the detection, signaling, and repair of DNA damage (2002)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2002-07-27
    Description: Left unrepaired, the myriad types of damage that can occur in genomic DNA pose a serious threat to the faithful transmission of the correct complement of genetic material. Defects in DNA damage signaling and repair result in genomic instability, a hallmark of cancer, and often cause lethality, underlining the importance of these processes in the cell and whole organism. The past decade has seen huge advances in our understanding of how the signal transduction pathways triggered by DNA damage radically alter cell behavior. In contrast, it is still unclear how primary DNA damage is detected and how this interfaces with signal transduction and DNA repair proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rouse, John -- Jackson, Stephen P -- New York, N.Y. -- Science. 2002 Jul 26;297(5581):547-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Wellcome Trust/Cancer Research UK Institute (of Cancer and Developmental Biology), University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, UK. jwr24@mole.bio.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12142523" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxia Telangiectasia Mutated Proteins ; Cell Cycle Proteins/metabolism ; DNA/*metabolism ; *DNA Damage ; *DNA Repair ; DNA-Binding Proteins ; Fungal Proteins/metabolism ; Humans ; Intracellular Signaling Peptides and Proteins ; Models, Biological ; Protein-Serine-Threonine Kinases/metabolism ; Proteins/metabolism ; *Saccharomyces cerevisiae Proteins ; *Signal Transduction ; Tumor Suppressor Proteins ; Yeasts/genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    KAT5 tyrosine phosphorylation couples chromatin sensing to ATM signalling (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-05-28
    Description: The detection of DNA lesions within chromatin represents a critical step in cellular responses to DNA damage. However, the regulatory mechanisms that couple chromatin sensing to DNA-damage signalling in mammalian cells are not well understood. Here we show that tyrosine phosphorylation of the protein acetyltransferase KAT5 (also known as TIP60) increases after DNA damage in a manner that promotes KAT5 binding to the histone mark H3K9me3. This triggers KAT5-mediated acetylation of the ATM kinase, promoting DNA-damage-checkpoint activation and cell survival. We also establish that chromatin alterations can themselves enhance KAT5 tyrosine phosphorylation and ATM-dependent signalling, and identify the proto-oncogene c-Abl as a mediator of this modification. These findings define KAT5 tyrosine phosphorylation as a key event in the sensing of genomic and chromatin perturbations, and highlight a key role for c-Abl in such processes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3859897/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3859897/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaidi, Abderrahmane -- Jackson, Stephen P -- 092096/Wellcome Trust/United Kingdom -- 11224/Cancer Research UK/United Kingdom -- 268536/European Research Council/International -- A11224/Cancer Research UK/United Kingdom -- C6/A11224/Cancer Research UK/United Kingdom -- WT092096/Wellcome Trust/United Kingdom -- England -- Nature. 2013 Jun 6;498(7452):70-4. doi: 10.1038/nature12201. Epub 2013 May 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Gurdon Institute and Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23708966" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Ataxia Telangiectasia Mutated Proteins ; Cell Cycle Checkpoints ; Cell Cycle Proteins/*metabolism ; Cell Line ; Cell Survival/radiation effects ; Chromatin/*metabolism ; DNA Damage ; DNA-Binding Proteins/*metabolism ; Enzyme Activation ; HeLa Cells ; Histone Acetyltransferases/*chemistry/*metabolism ; Histones/chemistry/metabolism ; Humans ; Lysine/chemistry/metabolism ; Methylation ; Molecular Sequence Data ; Phosphorylation ; Phosphotyrosine/*metabolism ; Protein-Serine-Threonine Kinases/*metabolism ; Proto-Oncogene Proteins c-abl/metabolism ; *Signal Transduction ; Tumor Suppressor Proteins/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
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    Differential regulation of RNA polymerases I, II, and III by the TBP-binding repressor Dr1 (1994)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1994-10-21
    Description: RNA polymerases I, II, and III each use the TATA-binding protein (TBP). Regulators that target this shared factor may therefore provide a means to coordinate the activities of the three nuclear RNA polymerases. The repressor Dr1 binds to TBP and blocks the interaction of TBP with polymerase II- and polymerase III-specific factors. This enables Dr1 to coordinately regulate transcription by RNA polymerases II and III. Under the same conditions, Dr1 does not inhibit polymerase I transcription. By selectively repressing polymerases II and III, Dr1 may shift the physiological balance of transcriptional output in favor of polymerase I.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, R J -- Khoo, B C -- Inostroza, J A -- Reinberg, D -- Jackson, S P -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1994 Oct 21;266(5184):448-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome/CRC Institute, University of Cambridge, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7939686" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA-Binding Proteins/metabolism ; HeLa Cells ; Humans ; Molecular Sequence Data ; Phosphoproteins/metabolism/*pharmacology ; RNA Polymerase I/*metabolism ; RNA Polymerase II/*metabolism ; RNA Polymerase III/*metabolism ; Saccharomyces cerevisiae Proteins ; TATA Box ; TATA-Binding Protein Associated Factors ; TATA-Box Binding Protein ; Transcription Factor TFIIB ; Transcription Factor TFIIIB ; Transcription Factors/metabolism/*pharmacology ; *Transcription Factors, TFIII ; Transcription, Genetic/*drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 7
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    Ku80: product of the XRCC5 gene and its role in DNA repair and V(D)J recombination (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-02
    Description: The radiosensitive mutant xrs-6, derived from Chinese hamster ovary cells, is defective in DNA double-strand break repair and in ability to undergo V(D)J recombination. The human XRCC5 DNA repair gene, which complements this mutant, is shown here through genetic and biochemical evidence to be the 80-kilodalton subunit of the Ku protein. Ku binds to free double-stranded DNA ends and is the DNA-binding component of the DNA-dependent protein kinase. Thus, the Ku protein is involved in DNA repair and in V(D)J recombination, and these results may also indicate a role for the Ku-DNA-dependent protein kinase complex in those same processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taccioli, G E -- Gottlieb, T M -- Blunt, T -- Priestley, A -- Demengeot, J -- Mizuta, R -- Lehmann, A R -- Alt, F W -- Jackson, S P -- Jeggo, P A -- AI 20047/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1994 Sep 2;265(5177):1442-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Children's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8073286" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigens, Nuclear ; Base Sequence ; CHO Cells ; Cell Survival/radiation effects ; Cloning, Molecular ; Cricetinae ; DNA Damage ; *DNA Helicases ; DNA Repair/*genetics ; DNA-Binding Proteins/*genetics/metabolism ; *Genes, Immunoglobulin ; Genetic Complementation Test ; Humans ; Hybrid Cells ; Molecular Sequence Data ; Nuclear Proteins/*genetics/metabolism ; Receptors, Antigen, T-Cell/*genetics ; *Recombination, Genetic ; Transfection
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Orchestration of the DNA-damage response by the RNF8 ubiquitin ligase (2007)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2007-11-17
    Description: Cells respond to DNA double-strand breaks by recruiting factors such as the DNA-damage mediator protein MDC1, the p53-binding protein 1 (53BP1), and the breast cancer susceptibility protein BRCA1 to sites of damaged DNA. Here, we reveal that the ubiquitin ligase RNF8 mediates ubiquitin conjugation and 53BP1 and BRCA1 focal accumulation at sites of DNA lesions. Moreover, we establish that MDC1 recruits RNF8 through phosphodependent interactions between the RNF8 forkhead-associated domain and motifs in MDC1 that are phosphorylated by the DNA-damage activated protein kinase ataxia telangiectasia mutated (ATM). We also show that depletion of the E2 enzyme UBC13 impairs 53BP1 recruitment to sites of damage, which suggests that it cooperates with RNF8. Finally, we reveal that RNF8 promotes the G2/M DNA damage checkpoint and resistance to ionizing radiation. These results demonstrate how the DNA-damage response is orchestrated by ATM-dependent phosphorylation of MDC1 and RNF8-mediated ubiquitination.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2430610/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2430610/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolas, Nadine K -- Chapman, J Ross -- Nakada, Shinichiro -- Ylanko, Jarkko -- Chahwan, Richard -- Sweeney, Frederic D -- Panier, Stephanie -- Mendez, Megan -- Wildenhain, Jan -- Thomson, Timothy M -- Pelletier, Laurence -- Jackson, Stephen P -- Durocher, Daniel -- A5290/Cancer Research UK/United Kingdom -- New York, N.Y. -- Science. 2007 Dec 7;318(5856):1637-40. Epub 2007 Nov 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute, Mount Sinai Hospital, 600 University Avenue, Toronto M5G1X5, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18006705" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Ataxia Telangiectasia Mutated Proteins ; BRCA1 Protein/metabolism ; Cell Cycle Proteins/metabolism ; Cell Line, Tumor ; Cell Nucleus Structures/*genetics ; *DNA Breaks, Double-Stranded ; DNA Repair ; DNA-Binding Proteins/chemistry/*metabolism ; HeLa Cells ; Humans ; Intracellular Signaling Peptides and Proteins/metabolism ; Molecular Sequence Data ; Nuclear Proteins/chemistry/metabolism ; Phosphorylation ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/metabolism ; RNA, Small Interfering ; Trans-Activators/chemistry/metabolism ; Tumor Suppressor Proteins/metabolism ; Ubiquitin/metabolism ; Ubiquitin-Conjugating Enzymes/metabolism ; Ubiquitin-Protein Ligases/*metabolism ; Ubiquitination
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Poly(ADP-ribose)-dependent regulation of DNA repair by the chromatin remodeling enzyme ALC1 (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-08-08
    Description: Posttranslational modifications play key roles in regulating chromatin plasticity. Although various chromatin-remodeling enzymes have been described that respond to specific histone modifications, little is known about the role of poly[adenosine 5'-diphosphate (ADP)-ribose] in chromatin remodeling. Here, we identify a chromatin-remodeling enzyme, ALC1 (Amplified in Liver Cancer 1, also known as CHD1L), that interacts with poly(ADP-ribose) and catalyzes PARP1-stimulated nucleosome sliding. Our results define ALC1 as a DNA damage-response protein whose role in this process is sustained by its association with known DNA repair factors and its rapid poly(ADP-ribose)-dependent recruitment to DNA damage sites. Furthermore, we show that depletion or overexpression of ALC1 results in sensitivity to DNA-damaging agents. Collectively, these results provide new insights into the mechanisms by which poly(ADP-ribose) regulates DNA repair.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3443743/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3443743/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ahel, Dragana -- Horejsi, Zuzana -- Wiechens, Nicola -- Polo, Sophie E -- Garcia-Wilson, Elisa -- Ahel, Ivan -- Flynn, Helen -- Skehel, Mark -- West, Stephen C -- Jackson, Stephen P -- Owen-Hughes, Tom -- Boulton, Simon J -- 064414/Wellcome Trust/United Kingdom -- 11224/Cancer Research UK/United Kingdom -- A3549/Cancer Research UK/United Kingdom -- A5290/Cancer Research UK/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Cancer Research UK/United Kingdom -- Department of Health/United Kingdom -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1240-3. doi: 10.1126/science.1177321. Epub 2009 Aug 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉DNA Damage Response Laboratory, Clare Hall, London Research Institute, South Mimms EN6 3LD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661379" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/metabolism ; Adenosine Triphosphate/metabolism ; Cell Line ; Chromatin/*metabolism ; *Chromatin Assembly and Disassembly ; DNA Damage ; DNA Helicases/chemistry/genetics/*metabolism ; *DNA Repair ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Humans ; Hydrogen Peroxide/pharmacology ; Immunoprecipitation ; Kinetics ; Mutant Proteins/chemistry/metabolism ; Nucleosomes/metabolism ; Phleomycins/pharmacology ; Poly Adenosine Diphosphate Ribose/*metabolism ; Poly(ADP-ribose) Polymerase Inhibitors ; Poly(ADP-ribose) Polymerases/metabolism ; Protein Structure, Tertiary ; Radiation, Ionizing ; Recombinant Proteins/chemistry/metabolism
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  • 10
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    Human SIRT6 promotes DNA end resection through CtIP deacetylation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-09-11
    Description: SIRT6 belongs to the sirtuin family of protein lysine deacetylases, which regulate aging and genome stability. We found that human SIRT6 has a role in promoting DNA end resection, a crucial step in DNA double-strand break (DSB) repair by homologous recombination. SIRT6 depletion impaired the accumulation of replication protein A and single-stranded DNA at DNA damage sites, reduced rates of homologous recombination, and sensitized cells to DSB-inducing agents. We identified the DSB resection protein CtIP [C-terminal binding protein (CtBP) interacting protein] as a SIRT6 interaction partner and showed that SIRT6-dependent CtIP deacetylation promotes resection. A nonacetylatable CtIP mutant alleviated the effect of SIRT6 depletion on resection, thus identifying CtIP as a key substrate by which SIRT6 facilitates DSB processing and homologous recombination. These findings further clarify how SIRT6 promotes genome stability.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3276839/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3276839/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaidi, Abderrahmane -- Weinert, Brian T -- Choudhary, Chunaram -- Jackson, Stephen P -- 11224/Cancer Research UK/United Kingdom -- A5290/Cancer Research UK/United Kingdom -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2010 Sep 10;329(5997):1348-53. doi: 10.1126/science.1192049.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gurdon Institute and Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20829486" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Camptothecin/pharmacology ; Carrier Proteins/genetics/*metabolism ; Cell Cycle ; Cell Line ; Cell Line, Tumor ; Cell Proliferation ; DNA/*metabolism ; *DNA Breaks, Double-Stranded ; *DNA Repair ; DNA, Single-Stranded/metabolism ; Genomic Instability ; Humans ; Mice ; Mutant Proteins/metabolism ; Niacinamide/pharmacology ; Nuclear Proteins/genetics/*metabolism ; Protein Binding ; Recombination, Genetic/drug effects ; Sirtuins/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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