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Lee JS, Choi HJ, Baek SH. Sumoylation and Its Contribution to Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 963:283-298. [PMID: 28197919 DOI: 10.1007/978-3-319-50044-7_17] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Post-translational modifications play an important role in regulating protein activity by altering their functions. Sumoylation is a highly dynamic process which is tightly regulated by a fine balance between conjugating and deconjugating enzyme activities. It affects intracellular localization and their interaction with their binding partners, thereby changing gene expression. Consequently, these changes in turn affect signaling mechanisms that regulate many cellular functions, such as cell growth, proliferation, apoptosis , DNA repair , and cell survival. It is becoming apparent that deregulation in the SUMO pathway contributes to oncogenic transformation by affecting sumoylation/desumoylation of many oncoproteins and tumor suppressors. Loss of balance between sumoylation and desumoylation has been reported in a number of studies in a variety of disease types including cancer. This chapter summarizes the mechanisms and functions of the deregulated SUMO pathway affecting oncogenes and tumor suppressor genes.
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Affiliation(s)
- Jason S Lee
- Department of Biological Sciences, Seoul National University, Seoul, 151-742, South Korea
| | - Hee June Choi
- Department of Biological Sciences, Seoul National University, Seoul, 151-742, South Korea
| | - Sung Hee Baek
- Department of Biological Sciences, Seoul National University, Seoul, 151-742, South Korea.
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Burgess RC, Sebesta M, Sisakova A, Marini VP, Lisby M, Damborsky J, Klein H, Rothstein R, Krejci L. The PCNA interaction protein box sequence in Rad54 is an integral part of its ATPase domain and is required for efficient DNA repair and recombination. PLoS One 2013; 8:e82630. [PMID: 24376557 PMCID: PMC3869717 DOI: 10.1371/journal.pone.0082630] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Accepted: 10/25/2013] [Indexed: 11/19/2022] Open
Abstract
Rad54 is an ATP-driven translocase involved in the genome maintenance pathway of homologous recombination (HR). Although its activity has been implicated in several steps of HR, its exact role(s) at each step are still not fully understood. We have identified a new interaction between Rad54 and the replicative DNA clamp, proliferating cell nuclear antigen (PCNA). This interaction was only mildly weakened by the mutation of two key hydrophobic residues in the highly-conserved PCNA interaction motif (PIP-box) of Rad54 (Rad54-AA). Intriguingly, the rad54-AA mutant cells displayed sensitivity to DNA damage and showed HR defects similar to the null mutant, despite retaining its ability to interact with HR proteins and to be recruited to HR foci in vivo. We therefore surmised that the PCNA interaction might be impaired in vivo and was unable to promote repair synthesis during HR. Indeed, the Rad54-AA mutant was defective in primer extension at the MAT locus as well as in vitro, but additional biochemical analysis revealed that this mutant also had diminished ATPase activity and an inability to promote D-loop formation. Further mutational analysis of the putative PIP-box uncovered that other phenotypically relevant mutants in this domain also resulted in a loss of ATPase activity. Therefore, we have found that although Rad54 interacts with PCNA, the PIP-box motif likely plays only a minor role in stabilizing the PCNA interaction, and rather, this conserved domain is probably an extension of the ATPase domain III.
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Affiliation(s)
- Rebecca C. Burgess
- Department of Genetics & Development, Columbia University Medical Center, New York, New York, United States of America
| | - Marek Sebesta
- National Centre for Biomolecular Research, Masaryk University, Brno, Czech Republic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- International Clinical Research Centre, Centre for Biomolecular and Cellular Engineering, Saint Anne's University Hospital, Brno, Czech Republic
| | - Alexandra Sisakova
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- International Clinical Research Centre, Centre for Biomolecular and Cellular Engineering, Saint Anne's University Hospital, Brno, Czech Republic
| | - Victoria P. Marini
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Michael Lisby
- Department of Molecular Biology, University of Copenhagen, Copenhagen N, Denmark
| | - Jiri Damborsky
- International Clinical Research Centre, Centre for Biomolecular and Cellular Engineering, Saint Anne's University Hospital, Brno, Czech Republic
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Hannah Klein
- Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, New York, United States of America
| | - Rodney Rothstein
- Department of Genetics & Development, Columbia University Medical Center, New York, New York, United States of America
| | - Lumir Krejci
- National Centre for Biomolecular Research, Masaryk University, Brno, Czech Republic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- International Clinical Research Centre, Centre for Biomolecular and Cellular Engineering, Saint Anne's University Hospital, Brno, Czech Republic
- * E-mail:
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Armstrong AA, Mohideen F, Lima CD. Recognition of SUMO-modified PCNA requires tandem receptor motifs in Srs2. Nature 2012; 483:59-63. [PMID: 22382979 PMCID: PMC3306252 DOI: 10.1038/nature10883] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Accepted: 01/23/2012] [Indexed: 01/18/2023]
Abstract
Ubiquitin (Ub) and ubiquitin-like (Ubl) modifiers such as SUMO (also known as Smt3 in Saccharomyces cerevisiae) mediate signal transduction through post-translational modification of substrate proteins in pathways that control differentiation, apoptosis and the cell cycle, and responses to stress such as the DNA damage response. In yeast, the proliferating cell nuclear antigen PCNA (also known as Pol30) is modified by ubiquitin in response to DNA damage and by SUMO during S phase. Whereas Ub-PCNA can signal for recruitment of translesion DNA polymerases, SUMO-PCNA signals for recruitment of the anti-recombinogenic DNA helicase Srs2. It remains unclear how receptors such as Srs2 specifically recognize substrates after conjugation to Ub and Ubls. Here we show, through structural, biochemical and functional studies, that the Srs2 carboxy-terminal domain harbours tandem receptor motifs that interact independently with PCNA and SUMO and that both motifs are required to recognize SUMO-PCNA specifically. The mechanism presented is pertinent to understanding how other receptors specifically recognize Ub- and Ubl-modified substrates to facilitate signal transduction.
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Affiliation(s)
| | - Firaz Mohideen
- Structural Biology Program, Sloan-Kettering Institute, New York, NY 10065, US
| | - Christopher D. Lima
- Structural Biology Program, Sloan-Kettering Institute, New York, NY 10065, US
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León Ortiz AM, Reid RJD, Dittmar JC, Rothstein R, Nicolas A. Srs2 overexpression reveals a helicase-independent role at replication forks that requires diverse cell functions. DNA Repair (Amst) 2011; 10:506-17. [PMID: 21459050 PMCID: PMC3084345 DOI: 10.1016/j.dnarep.2011.02.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Revised: 02/18/2011] [Accepted: 02/20/2011] [Indexed: 10/18/2022]
Abstract
Srs2 is a 3'-5' DNA helicase that regulates many aspects of DNA metabolism in Saccharomyces cerevisiae. It is best known for its ability to counteract homologous recombination by dismantling Rad51 filaments, but is also involved in checkpoint activation, adaptation and recovery, and in resolution of late recombination intermediates. To further address its biological roles and uncover new genetic interactions, we examined the consequences of overexpressing SRS2 as well as two helicase-dead mutants, srs2-K41A and srs2-K41R, in the collection of 4827 yeast haploid deletion mutants. We identified 274 genes affecting a large variety of cellular functions that are required for cell growth when SRS2 or its mutants are overexpressed. Further analysis of these interactions reveals that Srs2 acts independently of its helicase function at replication forks likely through its recruitment by the sumoylated PCNA replication clamp. This helicase-independent function is responsible for the negative interactions with DNA metabolism genes and for the toxicity of SRS2 overexpression in many of the diverse cellular pathways revealed in our screens.
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Affiliation(s)
- Ana María León Ortiz
- Recombinaison and Genome Instability, Institut Curie Centre de Recherche, CNRS UMR3244, Université Pierre et Marie Curie, 26 rue d’Ulm, 75248 Paris Cedex 05, France
| | - Robert J. D. Reid
- Columbia University Medical Center, Department of Genetics & Development, 701 West 168th Street, New York, NY 10032-2704, USA
| | - John C. Dittmar
- Columbia University Medical Center, Department of Genetics & Development, 701 West 168th Street, New York, NY 10032-2704, USA
| | - Rodney Rothstein
- Columbia University Medical Center, Department of Genetics & Development, 701 West 168th Street, New York, NY 10032-2704, USA
| | - Alain Nicolas
- Recombinaison and Genome Instability, Institut Curie Centre de Recherche, CNRS UMR3244, Université Pierre et Marie Curie, 26 rue d’Ulm, 75248 Paris Cedex 05, France
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Role of ubiquitination in the DNA damage response: proteomic analysis to identify new DNA-damage-induced ubiquitinated proteins. Biochem Soc Trans 2010; 38:87-91. [PMID: 20074041 DOI: 10.1042/bst0380087] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The DDR (DNA damage response) is a signalling transduction cascade utilizing many forms of post-translation modification of proteins, including phosphorylation and ubiquitination. The well-known function of ubiquitination is to target proteins for proteasomal degradation; however, it is also involved in the regulation of protein function. The present review describes how ubiquitination regulates the function of certain proteins involved in DDR, in particular FANCD2 (Fanconi's anaemia complementation group D2) and PCNA (proliferating-cell nuclear antigen). Also, the proteomic methods currently used to identify new ubiquitinated proteins in response to DNA damage, including the advantages of using the UBD (ubiquitin-binding domain) beads to purify the ubiquitinated proteins, are considered.
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Miteva M, Keusekotten K, Hofmann K, Praefcke GJK, Dohmen RJ. Sumoylation as a signal for polyubiquitylation and proteasomal degradation. Subcell Biochem 2010; 54:195-214. [PMID: 21222284 DOI: 10.1007/978-1-4419-6676-6_16] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The small ubiquitin-related modifier (SUMO) is a versatile cellular tool to modulate a protein's function. SUMO modification is a reversible process analogous to ubiquitylation. The consecutive actions of E1, E2 and E3 enzymes catalyze the attachment of SUMO to target proteins, while deconjugation is promoted by SUMO specific proteases. Contrary to the long-standing assumption that SUMO has no role in proteolytic targeting and rather acts as an antagonist of ubiquitin in some cases, it has recently been discovered that sumoylation itself can function as a secondary signal mediating ubiquitin-dependent degradation by the proteasome. The discovery of a novel family of RING finger ubiquitin ligases bearing SUMO interaction motifs implicated the ubiquitin system in the control of SUMO modified proteins. SUMO modification as a signal for degradation is conserved in eukaryotes and ubiquitin ligases that specifically recognize SUMO-modified proteins have been discovered in species ranging from yeasts to humans. This chapter summarizes what is known about these ligases and their role in controlling sumoylated proteins.
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Affiliation(s)
- Maria Miteva
- Institute for Genetics, Cologne University, Zülpicher Straße 47, D- 50674, Cologne, Germany
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Burgess RC, Lisby M, Altmannova V, Krejci L, Sung P, Rothstein R. Localization of recombination proteins and Srs2 reveals anti-recombinase function in vivo. ACTA ACUST UNITED AC 2009; 185:969-81. [PMID: 19506039 PMCID: PMC2711611 DOI: 10.1083/jcb.200810055] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Homologous recombination (HR), although an important DNA repair mechanism, is dangerous to the cell if improperly regulated. The Srs2 “anti-recombinase” restricts HR by disassembling the Rad51 nucleoprotein filament, an intermediate preceding the exchange of homologous DNA strands. Here, we cytologically characterize Srs2 function in vivo and describe a novel mechanism for regulating the initiation of HR. We find that Srs2 is recruited separately to replication and repair centers and identify the genetic requirements for recruitment. In the absence of Srs2 activity, Rad51 foci accumulate, and surprisingly, can form in the absence of Rad52 mediation. However, these Rad51 foci do not represent repair-proficient filaments, as determined by recombination assays. Antagonistic roles for Rad52 and Srs2 in Rad51 filament formation are also observed in vitro. Furthermore, we provide evidence that Srs2 removes Rad51 indiscriminately from DNA, while the Rad52 protein coordinates appropriate filament reformation. This constant breakdown and rebuilding of filaments may act as a stringent quality control mechanism during HR.
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Affiliation(s)
- Rebecca C Burgess
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
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Abstract
Damage tolerance mechanisms, which allow the bypass of DNA lesions during replication, are controlled in eukaryotic cells by mono- and poly-ubiquitination of the DNA polymerase cofactor PCNA (proliferating-cell nuclear antigen). In the present review, I will summarize our current knowledge of the enzymatic machinery for ubiquitination of PCNA and the way in which the modifications affect PCNA function during replication and lesion bypass in different organisms. Using the budding yeast as a reference model, I will highlight some of the species-specific differences, but also point out the common principles that emerge from the genetic and biochemical studies of damage tolerance in a range of experimental systems.
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Abstract
SUMO proteins are small ubiquitin-like modifiers found in all eukaryotes that become covalently conjugated to other cellular proteins. The SUMO conjugation pathway is biochemically similar to ubiquitin conjugation, although the enzymes within the pathway act exclusively on SUMO proteins. This post-translational modification controls many processes. Here, I will focus on evidence that SUMOylation plays a critical role(s) in mitosis: Early studies showed a genetic requirement for SUMO pathway components in the process of cell division, while later findings implicated SUMOylation in the control of mitotic chromosome structure, cell cycle progression, kinetochore function and cytokinesis. Recent insights into the targets of SUMOylation are likely to be extremely helpful in understanding each of these aspects. Finally, growing evidence suggests that SUMOylation is a downstream target of regulation through Ran, a small GTPase with important functions in both interphase nuclear trafficking and mitotic spindle assembly.
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Affiliation(s)
- Mary Dasso
- Laboratory of Gene Regulation and Development, NICHD/NIH, Building 18, Room 106, MSC-5431, Bethesda, MD 20892, USA.
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Lavelle C, Salles B, Wiesmüller L. DNA repair, damage signaling and carcinogenesis. DNA Repair (Amst) 2008; 7:670-80. [PMID: 18221920 DOI: 10.1016/j.dnarep.2007.12.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2007] [Indexed: 12/14/2022]
Abstract
The First joint meeting of the German DGDR (German Society for Research on DNA Repair) and the French SFTG (French Society of Genotoxicology) on DNA Repair was held in Toulouse, France, from September 15 to 19, 2007. It was organized by Lisa Wiesmüller and Bernard Salles together with the scientific committee consisting of Gilbert de Murcia, Jean-Marc Egly, Frank Grosse, Karl-Peter Hopfner, Georges Iliakis, Bernd Kaina, Markus Löbrich, Bernard Lopez, Daniel Marzin and Alain Sarasin. This report summarizes information presented by the speakers (invited lectures and oral communications) during the seven plenary sessions, which include (1) excision repair, (2) DNA repair and carcinogenesis, (3) double-strand break repair, (4) replication in repair and lesion bypass, (5) cellular responses to genotoxic stress, (6) DNA repair machinery within the chromatin context and (7) genotoxicology and testing. A total of 23 plenary lectures, 32 oral communications and 66 posters were presented in this rather intense 4 days meeting, which stimulated extensive discussions and highly interdisciplinary scientific exchanges among the approximately 250 participants.
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Windecker H, Ulrich HD. Architecture and assembly of poly-SUMO chains on PCNA in Saccharomyces cerevisiae. J Mol Biol 2007; 376:221-31. [PMID: 18155241 DOI: 10.1016/j.jmb.2007.12.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2007] [Revised: 12/02/2007] [Accepted: 12/04/2007] [Indexed: 12/24/2022]
Abstract
Posttranslational modifications of proliferating cell nuclear antigen (PCNA), the eukaryotic processivity clamp for DNA polymerases, regulate the pathways by which replication problems are resolved. In the budding yeast Saccharomyces cerevisiae, ubiquitylation of PCNA in response to DNA damage facilitates the replicative bypass of lesions, whereas conjugation of the ubiquitin-related modifier (SUMO) prevents unscheduled crossover events during S phase. We have analyzed the SUMO modification pattern of budding yeast PCNA in vivo and in vitro and found that most aspects of our in vitro sumoylation reactions reflect the situation under physiological conditions. We show that two oligomeric SUMO chains of two to three moieties each, linked via internal sumoylation consensus motifs within the SUMO sequence, are assembled on PCNA. The SUMO-specific ligase Siz1 both stimulates the overall efficiency of sumoylation and selects the modification site on PCNA. Furthermore, ubiquitin and SUMO chains are assembled independently, and we found evidence that both modifiers can coexist in vivo on a common PCNA subunit. Our results demonstrate for the first time the in vivo assembly of polymeric SUMO chains of defined linkage on a physiological substrate in yeast, but they also indicate that SUMO-SUMO polymers are dispensable for PCNA(SUMO) function in replication and recombination.
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Affiliation(s)
- Hanna Windecker
- Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, UK
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