Research Topics
Genomes and Genes | Bodil KavliSummaryAffiliation: Norwegian University of Science and Technology Country: Norway Publications
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Detail Information
Publications
Uracil in DNA--general mutagen, but normal intermediate in acquired immunityBodil Kavli
Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, N 7006 Trondheim, Norway
DNA Repair (Amst) 6:505-16. 2007..Ung(-/-) mice have a similar phenotype, but in addition display dysregulated cytokine production and develop B cell lymphomas late in life...
UNG-initiated base excision repair is the major repair route for 5-fluorouracil in DNA, but 5-fluorouracil cytotoxicity depends mainly on RNA incorporationHenrik Sahlin Pettersen
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N 7489 Trondheim, Norway
Nucleic Acids Res 39:8430-44. 2011..In conclusion, UNG-initiated BER is the major route for FU-DNA repair, but cytotoxicity of FU is predominantly RNA-mediated, while DNA-mediated effects are limited to FdUrd...
The UNG2 Arg88Cys variant abrogates RPA-mediated recruitment of UNG2 to single-stranded DNAKathrin Torseth
Department of Cancer Research and Molecular Medicine, Faculty of Medicine, the FUGE Proteomics Node, Norwegian University of Science and Technology, N 7006 Trondheim, Norway
DNA Repair (Amst) 11:559-69. 2012....
Human AlkB homolog 1 is a mitochondrial protein that demethylates 3-methylcytosine in DNA and RNAMarianne Pedersen Westbye
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N 7489 Trondheim, Norway
J Biol Chem 283:25046-56. 2008..In conclusion, hABH1 is a functional mitochondrial AlkB homolog that repairs 3-methylcytosine in single-stranded DNA and RNA...
Strikingly different properties of uracil-DNA glycosylases UNG2 and SMUG1 may explain divergent roles in processing of genomic uracilBerit Doseth
Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
DNA Repair (Amst) 11:587-93. 2012..We suggest a model for mutagenic processing in which replication protein A (RPA) recruits UNG2 to sites of deamination and keeps DNA in a single stranded conformation, thus avoiding error-free BER of the deaminated cytosine...
Uracil in DNA and its processing by different DNA glycosylasesTorkild Visnes
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, 7489 Trondheim, Norway
Philos Trans R Soc Lond B Biol Sci 364:563-8. 2009..There are also some indications that there may be species differences in the function of the uracil-DNA glycosylases...
Repair of U/G and U/A in DNA by UNG2-associated repair complexes takes place predominantly by short-patch repair both in proliferating and growth-arrested cellsMansour Akbari
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N-7489 Trondheim, Norway
Nucleic Acids Res 32:5486-98. 2004..In conclusion, UNG2 is present in preassembled complexes proficient in BER. Furthermore, UNG2 is the major enzyme initiating BER of deaminated cytosine (U/G), and possibly the sole enzyme initiating BER of misincorporated uracil (U/A)...
Cell cycle-specific UNG2 phosphorylations regulate protein turnover, activity and association with RPALars Hagen
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
EMBO J 27:51-61. 2008..Our findings may aid further studies of how UNG2 initiates mutagenic rather than repair processing of activation-induced deaminase-generated uracil at Ig loci in B cells...
Genomic uracil and human diseaseLars Hagen
Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim
Exp Cell Res 312:2666-72. 2006..Ung(-/-) mice have a similar phenotype and develop B-cell lymphomas late in life. However, there is no evidence indicating that UNG deficiency causes lymphomas in humans...
B cells from hyper-IgM patients carrying UNG mutations lack ability to remove uracil from ssDNA and have elevated genomic uracilBodil Kavli
Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, N 7489 Trondheim, Norway
J Exp Med 201:2011-21. 2005..Based on our findings and recent information in the literature, we present an integrated model for the initiating steps in CSR...
Uracil-DNA glycosylases SMUG1 and UNG2 coordinate the initial steps of base excision repair by distinct mechanismsHenrik Sahlin Pettersen
Department of Cancer Research and Molecular Medicine, NTNU, N 7006 Trondheim, Norway
Nucleic Acids Res 35:3879-92. 2007..UNG2 is apparently adapted to rapid and highly coordinated repair of uracil (U:G and U:A) in replicating DNA, while the less efficient SMUG1 may be more important in repair of deaminated cytosine (U:G) in non-replicating chromatin...
Alkylation damage in DNA and RNA--repair mechanisms and medical significanceFinn Drabløs
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N 7489 Trondheim, Norway
DNA Repair (Amst) 3:1389-407. 2004..An evaluation of the biological effects of environmental mutagens, as well as understanding the mechanism of action and resistance to alkylating drugs require a detailed understanding of DNA repair processes...
Uracil-DNA glycosylase in base excision repair and adaptive immunity: species differences between man and mouseBerit Doseth
Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, N 7491 Trondheim, Norway
J Biol Chem 286:16669-80. 2011..Our results reveal significant species differences in genomic uracil processing. These findings should be taken into account when mouse models are used in studies of uracil DNA repair and adaptive immunity...
A combined nuclear and nucleolar localization motif in activation-induced cytidine deaminase (AID) controls immunoglobulin class switchingYi Hu
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N 7491 Trondheim, Norway
J Mol Biol 425:424-43. 2013..In addition, our results resolve the problem related to dissociation of deamination activity and CSR activity of AID mutants...
Novel aspects of macromolecular repair and relationship to human diseaseHans E Krokan
Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, 7489 Trondheim, Norway
J Mol Med 82:280-97. 2004..The new knowledge opens for interventions that are based on a deeper understanding of the mechanisms of defence...
The interacting pathways for prevention and repair of oxidative DNA damageGeir Slupphaug
Institute of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N 7489 Trondheim, Norway
Mutat Res 531:231-51. 2003..Thus, there is both inter- and intra-pathway complementation in repair of oxidative base damage, explaining the limited effects of absence of single DNA glycosylases in animal model systems...
hUNG2 is the major repair enzyme for removal of uracil from U:A matches, U:G mismatches, and U in single-stranded DNA, with hSMUG1 as a broad specificity backupBodil Kavli
Institute of Cancer Research and Molecular Biology, Norwegian University of Science and Technology, N 7489 Trondheim, Norway
J Biol Chem 277:39926-36. 2002..We also provide evidence that hUNG2 is the major enzyme for removal of deaminated cytosine outside of replication foci, with hSMUG1 acting as a broad specificity backup...
Xenopus CENP-A assembly into chromatin requires base excision repair proteinsSamantha G Zeitlin
Department of Biological Sciences, University of California San Diego, Mail Code 0322, La Jolla, CA 92093, USA
DNA Repair (Amst) 4:760-72. 2005..Conversely, inducing DNA damage increases the level of CENP-A detected on sperm chromatin. Our data suggest that base excision repair may be involved in assembly of this histone H3 variant...
NEIL1 is the major DNA glycosylase that processes 5-hydroxyuracil in the proximity of a DNA single-strand breakJason L Parsons
MRC Radiation and Genome Stability Unit, Harwell, Oxfordshire OX11 0RD, UK
Biochemistry 46:4158-63. 2007..Subsequently, we found that although both SMUG1 and NEIL1 are able to excise 5-OHU lesions located in the proximity of the 3'-end of a DNA SSB, NEIL1 is more efficient in the repair of these DNA lesions...
Characterisation of the substrate specificity of homogeneous vaccinia virus uracil-DNA glycosylaseNatale Scaramozzino
Laboratoire de Virologie, , Grenoble, France
Nucleic Acids Res 31:4950-7. 2003..Interestingly, both viral and human enzymes preferentially excise uracil when it is opposite to cytosine. The present study provides the basis for the design of specific inhibitors for vUNG...
