Research Topics
Species | H D UlrichSummaryAffiliation: Cancer Research UK Country: UK Publications
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Detail Information
Publications
Regulating post-translational modifications of the eukaryotic replication clamp PCNAHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms, EN6 3LD, United Kingdom
DNA Repair (Amst) 8:461-9. 2009....
Ubiquitin, SUMO, and phosphate: how a trio of posttranslational modifiers governs protein fateHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, UK
Mol Cell 47:335-7. 2012..2012) demonstrate how a series of sequential posttranslational modifications, phosphorylation, sumoylation, and ubiquitylation, cooperate to target human flap endonuclease FEN1 to degradation by the proteasome at the end of S phase...
Activation of ubiquitin-dependent DNA damage bypass is mediated by replication protein aAdelina A Davies
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, UK
Mol Cell 29:625-36. 2008..Association of the ligase with chromatin is detected where RPA is most abundant, and purified RPA can recruit Rad18 to ssDNA in vitro. Our results therefore implicate the RPA complex in the activation of DNA damage tolerance...
Ubiquitin signalling in DNA replication and repairHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms, Hertfordshire EN6 3LD, UK
Nat Rev Mol Cell Biol 11:479-89. 2010....
The fast-growing business of SUMO chainsHelle D Ulrich
Clare Hall Laboratories, Cancer Research UK London Research Institute, Blanche Lane, South Mimms, EN6 3LD, UK
Mol Cell 32:301-5. 2008..Like ubiquitin itself, the small ubiquitin-related modifier SUMO can form polymeric chains on many of its targets. Recent analyses have provided evidence for a number of distinct biological functions of the poly-SUMO signal...
Timing and spacing of ubiquitin-dependent DNA damage bypassHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms, Herts EN6 3LD, United Kingdom
FEBS Lett 585:2861-7. 2011..This review is focussed on our understanding of the timing of damage bypass during the cell cycle and the question of how it is coordinated with the progression of replication forks...
PCNASUMO and Srs2: a model SUMO substrate-effector pairH D Ulrich
Cancer Research UK, Clare Hall Laboratories, London Research Institute, South Mimms EN6 3LD, U K
Biochem Soc Trans 35:1385-8. 2007....
SUMO teams up with ubiquitin to manage hypoxiaHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, South Mimms, UK
Cell 131:446-7. 2007..In this issue, Cheng et al. (2007) describe how the stability of the major transcriptional regulator of the hypoxic response, HIF1alpha, is modulated by the interplay between the ubiquitin and the SUMO conjugation systems...
Conservation of DNA damage tolerance pathways from yeast to humansH D Ulrich
Cancer Research UK, London Research Institute, Clare Hall Laboratories, South Mimms EN6 3LD, U K
Biochem Soc Trans 35:1334-7. 2007....
SUMO keeps a check on recombination during DNA replicationHelle D Ulrich
Cancer Research UK, Clare Hall Laboratories, South Mimms, United Kingdom
Cell Cycle 4:1699-702. 2005..This review highlights how the SUMO conjugation system exerts its effect on the replication fork and discusses the implications for ubiquitin-dependent DNA damage tolerance...
Mutual interactions between the SUMO and ubiquitin systems: a plea of no contestHelle D Ulrich
Cancer Research UK, Clare Hall Laboratories, South Mimms, Herts, UK
Trends Cell Biol 15:525-32. 2005..This article gives an overview of target proteins that can serve as substrates for both SUMO and ubiquitin to highlight the diversity of regulatory strategies that result from the crosstalk between the two modification systems...
The RAD6 pathway: control of DNA damage bypass and mutagenesis by ubiquitin and SUMOHelle D Ulrich
Cancer Research UK, Clare Hall Laboratories, Blanche Lane, South Mimms, Hertfordshire, EN6 3LD, UK
Chembiochem 6:1735-43. 2005
SUMO modification: wrestling with protein conformationHelle D Ulrich
Cancer Research UK, Clare Hall Laboratories, South Mimms, UK
Curr Biol 15:R257-9. 2005....
SUMO modification of PCNA is controlled by DNAJoanne L Parker
Cancer Research UK London Research Institute, Clare Hall Laboratories, South Mimms, UK
EMBO J 27:2422-31. 2008..Instead, the stimulatory effect of DNA on conjugation is mainly attributable to DNA binding of PCNA itself. These findings imply a change in the properties of PCNA upon loading that enhances its capacity to be sumoylated...
Ubiquitin-dependent DNA damage bypass is separable from genome replicationYasukazu Daigaku
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, UK
Nature 465:951-5. 2010..Our approach has revealed the distribution of PRR tracts in a synchronized cell population. It will allow an in-depth mechanistic analysis of how cells manage the processing of lesions to their genomes during and after replication...
Contributions of ubiquitin- and PCNA-binding domains to the activity of Polymerase eta in Saccharomyces cerevisiaeJoanne L Parker
Cancer Research UK, London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms, EN6 3LD, United Kingdom
Nucleic Acids Res 35:881-9. 2007..Like its mammalian homolog, budding yeast Polymerase eta itself is ubiquitylated in a manner dependent on its ubiquitin-binding domain...
Cooperation of replication protein A with the ubiquitin ligase Rad18 in DNA damage bypassDiana Huttner
Cancer Research UK, London Research Institute, Clare Hall Laboratories, South Mimms, Herts, UK
Cell Cycle 7:3629-33. 2008..Here we have examined in more detail the interactions between Rad18, RPA and DNA and discuss their contribution to the activation of DNA damage bypass...
Crosstalk between SUMO and ubiquitin on PCNA is mediated by recruitment of the helicase Srs2pEfterpi Papouli
Cancer Research UK, Clare Hall Laboratories, Blanche Lane, South Mimms, Herts EN6 3LD, United Kingdom
Mol Cell 19:123-33. 2005..Our findings suggest a mechanism by which SUMO and ubiquitin cooperatively control the choice of pathway for the processing of DNA lesions during replication...
Architecture and assembly of poly-SUMO chains on PCNA in Saccharomyces cerevisiaeHanna Windecker
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, UK
J Mol Biol 376:221-31. 2008....
Mechanistic analysis of PCNA poly-ubiquitylation by the ubiquitin protein ligases Rad18 and Rad5Joanne L Parker
Clare Hall Laboratories, Cancer Research UK London Research Institute, South Mimms, Herts, UK
EMBO J 28:3657-66. 2009..Our results provide information about a unique conjugation mechanism that appears to be specialised for a regulatable pattern of dual modification...
The SUMO system: an overviewHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, South Mimms, UK
Methods Mol Biol 497:3-16. 2009..This chapter gives a brief overview over the enzymes of the SUMO system, its regulation, and its functions...
Distinct consequences of posttranslational modification by linear versus K63-linked polyubiquitin chainsShengkai Zhao
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, United Kingdom
Proc Natl Acad Sci U S A 107:7704-9. 2010..Our results suggest that the cellular machinery responsible for recognition of ubiquitylated substrates can make subtle distinctions between highly similar forms of the polyubiquitin signal...
In vivo detection and characterization of sumoylation targets in Saccharomyces cerevisiaeHelle D Ulrich
Cancer Research UK London Research Institute, Clare Hall Laboratories, South Mimms, UK
Methods Mol Biol 497:81-103. 2009..Two well-studied model substrates, the septin Cdc3 and the replication clamp protein PCNA, are used as examples, but the protocol can easily be adapted to other targets and organisms...
Ubiquitylation of the 9-1-1 checkpoint clamp is independent of rad6-rad18 and DNA damageAdelina A Davies
Cancer Research UK London Research Institute, Clare Hall Laboratories, Blanche Lane, South Mimms EN6 3LD, UK
Cell 141:1080-7. 2010..Instead, our findings suggest that ubiquitylation of the 9-1-1 complex may be a background reaction that in some cases can mediate proteasomal degradation...
How to activate a damage-tolerant polymerase: consequences of PCNA modifications by ubiquitin and SUMOHelle D Ulrich
Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Strasse, Marburg, Germany
Cell Cycle 3:15-8. 2004
Control of spontaneous and damage-induced mutagenesis by SUMO and ubiquitin conjugationPhilipp Stelter
Max Planck Institute for Terrestrial Microbiology, Karl von Frisch Strasse, 35043 Marburg, Germany
Nature 425:188-91. 2003..Our findings assign a function to SUMO during S phase and demonstrate how ubiquitin and SUMO, by regulating the accuracy of replication and repair, contribute to overall genomic stability...
Protein-protein interactions within an E2-RING finger complex. Implications for ubiquitin-dependent DNA damage repairHelle D Ulrich
Max Planck Institute for Terrestrial Microbiology, Karl von Frisch Strasse, 35043 Marburg, Germany
J Biol Chem 278:7051-8. 2003..Finally, this study demonstrates that beyond its cooperation with the UBC13-MMS2 dimer, RAD5 must have an additional role in DNA damage repair independent of its RING finger domain...
Yeast MPH1 gene functions in an error-free DNA damage bypass pathway that requires genes from Homologous recombination, but not from postreplicative repairK Anke Schürer
Department of Molecular Genetics and Preparative Molecular Biology, Institute for Microbiology and Genetics, University of Gottingen, D 37077 Gottingen, Germany
Genetics 166:1673-86. 2004..On the contrary, in an sgs1 background we found a pronounced hyperrecombination phenotype. Thus, we propose that MPH1 is involved in a branch of homologous recombination that is specifically dedicated to error-free bypass...
The RING finger ATPase Rad5p of Saccharomyces cerevisiae contributes to DNA double-strand break repair in a ubiquitin-independent mannerShuhua Chen
Max Planck Institute for Terrestrial Microbiology, Karl von Frisch Strasse D 35043, Marburg, Germany
Nucleic Acids Res 33:5878-86. 2005....
Antagonistic roles of ESCRT and Vps class C/HOPS complexes in the recycling of yeast membrane proteinsAmandine Bugnicourt
Institut Jacques Monod Centre National de la Recherche Scientifique Universités Paris 6 and 7, 75251 Paris Cedex 05, France
Mol Biol Cell 15:4203-14. 2004..Genetic analyses indicated that these phenotypes were due to the functioning of the Vps class C complex in trafficking both to and from the late endosomal compartment...
REV1 protein interacts with PCNA: significance of the REV1 BRCT domain in vitro and in vivoCaixia Guo
Laboratory of Molecular Pathology, Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
Mol Cell 23:265-71. 2006..In vivo studies in both chicken DT40 cells and yeast directly support the requirement of the BRCT domain of REV1 for cell survival and DNA damage-induced mutagenesis...
Postreplication repair and PCNA modification in Schizosaccharomyces pombeJonathan Frampton
Genome Damage and Stability Centre, University of Sussex, Falmer, Brighton BN1 9RQ, United Kingdom
Mol Biol Cell 17:2976-85. 2006..We show that PCNA modification and cell cycle checkpoints represent two independent signals in response to DNA damage. Finally, we unexpectedly find that PCNA is ubiquitinated in response to DNA damage when cells are arrested in G2...
Deubiquitinating PCNA: a downside to DNA damage toleranceHelle D Ulrich
Nat Cell Biol 8:303-5. 2006
DNA interstrand crosslink repair during G1 involves nucleotide excision repair and DNA polymerase zetaSovan Sarkar
Cancer Research UK Laboratories, Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
EMBO J 25:1285-94. 2006..We show that this combination of NER and TLS is the only pathway of ICL repair available to the cell in G1 phase and is essential for viability in the presence of DNA crosslinks...
Ubiquitin-binding motifs in REV1 protein are required for its role in the tolerance of DNA damageCaixia Guo
Laboratory of Molecular Pathology, Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390 9072, USA
Mol Cell Biol 26:8892-900. 2006..In cells exposed to UV radiation, the association of REV1 with replication foci is dependent on functional UBMs. The UBMs of REV1 are shown to contribute to DNA damage tolerance and damage-induced mutagenesis in vivo...
Degradation or maintenance: actions of the ubiquitin system on eukaryotic chromatinHelle D Ulrich
Max Planck Institute for Terrestrial Microbiology, D-35043 Marburg, Germany
Eukaryot Cell 1:1-10. 2002
