Dag Emil Hellands bilde
Dag Emil
Helland
Professor
Besøksadresse: 
HIB - Thormøhlensgt. 55
5020 Bergen
Postadresse: 
Postboks 7803
5020 Bergen
Telefon: 
+47 55 58 45 19
Last ned visittkort
Bøker
  • Bomann-Larsen, Lene; Helland, Dag E; Hviid-Nielsen, Torben; Dale, Ola; Forsberg, Ellen-Marie; Oughton, Debora; Staff, Annetine; Strand, Roger; Mejdell, Cecilie Marie; Lund, Vonne. 2008. Patentnemd uten portefølje? En analyse av etiske utfordringer ved patentering. 155 sider. ISBN: 978-82-7682-053-9.
  • Haarr, Lars; Helland, Dag Emil. 1998. Genteknologi og det menneskelege.
  • Harr, Lars; Helland, Dag Emil; Hjort, Peter Fredrik. 1998. Genteknologi og det menneskelege. 128 sider. ISBN: 82-419-0235-2.
  • Haukanes, Bjørn Ivar; Doetsch, P.W.; Olsen, Lisbeth Charlotte; Huq, Ikramul; Krokan, Hans E.; Helland, Dag Emil. 1990. Damage specific mammalian endonucleases. In "DNA Damage and Repair in Human Tissues" (eds. Sutherland, B.M. and A.D. Woodhead). 12 sider. ISBN: 0306435969.
Tidsskriftartikler
  • Dar, Mohd J; Monel, Blandine; Krishnan, Lavanya; Shun, Ming-Chieh; Di Nunzio, Francesca; Helland, Dag Emil; Engelman, Alan. 2009. Biochemical and virological analysis of the 18-residue C-terminal tail of HIV-1 integrase. Retrovirology. 6. 13 sider. doi: 10.1186/1742-4690-6-94
  • Helland, Dag Emil. 2003. Modellen som løyste gåta. Bergens Tidende. Publisert 2003-04-25.
  • Szilvay, Anne Marie; Stern, Beate; Blichenberg, Arne; Helland, Dag Emil. 2000. Structural and functional similarities between HIV-1 reverse transcriptase and the E. coli RNA polymerase ß' subunit. FEBS Letters. 484: 43-47.
  • Nilsen, B.M.; Haugan, I.R.; Berg, Karin; Olsen, L.; Brown, P.O.; Helland, Dag Emil. 1996. Monoclonal antibodies against human immunodeficiency virus type 1 integrase: Epitope mapping and differential effects on integrase activitties in vitro. Journal of Virology. 70: 1580-1587.
  • Valvatne, Håvard; Szilvay, Anne Marie; Helland, Dag Emil. 1996. A monoclonal antibody defines a novel HIV type 1 Tat domain involved in trans-cellular trans-activation. AIDS Research and Human Retroviruses. 12: 611-619.
  • Valvatne, Håvard; Szilvay, Anne Marie; Helland, Dag Emil. 1996. A monoclonal antibody defines a novel HIV type 1 Tat domain involved in trans-cellular trans-activation. AIDS Research and Human Retroviruses. 12: 611-619.
  • Shilatifard, A.; Merkle, R. M.; Helland, Dag Emil; Welles, J. L.; Haseltine, W. A.; Cummings, R. D. 1993. The Complex-Type-N-Linked Oligosaccharides of gp120 from HIV-1 Contain Sulfated N-Acetylglucosamine Residues. Journal of Virology. 67: 943-954.
  • Slupphaug, G.; Markussen, F.-H.; Olsen, Lisbeth Charlotte; Aasland, Rein; Aarsæther, Niels; Bakke, O.; Krokan, H. E.; Helland, Dag Emil. 1993. Human Uracil-DNA glycosylase is shared by the nucleus and the mitochondria. Nucleic Acid Res. 21: 2579-2584.
  • Szilvay, Anne Marie; Nornes, S.; Kannapiran, A.; Haukanes, B.-I.; Endresen, Curt; Helland, Dag Emil. 1993. Characterization of HIV-1 reverse transcriptase with antibodies indicate conformational differences between the RNAseH domains of p66 and p15. Archives of Virology. 131: 393-403.
  • Szilvay, Anne Marie; Nornes, S.; Kannapiran, Amirtheligam; Haukanes, Bjørn Ivar; Endresen, Curt; Helland, Dag Emil. 1993. Characterization of HIV-1 reverse transcriptase with antibodies indicates conformational differences between the RNAse H domains of p 66 and p 15. Archives of Virology. Supplementum. 131: 393-403.
  • Szilvay, Anne Marie; Nornes, Svanhild; Kannapiran, Amirtheligam; Haukanes, Bjørn Ivar; Endresen, Curt; Helland, Dag Emil. 1993. Characterization of HIV-1 reverse transcriptase With antibodies indicates conformational differences between the RNaseH domains of p66 and p15. Archives of Virology. 131: 393-403.
  • Huq, Ikramul; Haukanes, B.-I.; Helland, Dag Emil. 1992. Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. European Journal of Biochemistry. 206: 833-839.
  • Huq, Ikramul; Haukanes, Bjørn Ivar; Helland, Dag Emil. 1992. Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. European Journal of Biochemistry. 206: 833-839.
  • Olsen, Lisbeth Charlotte; Aasland, Rein; Krokan, H. E.; Helland, Dag Emil. 1992. Human uracil DNA glycosylase cDNA complements E.coli ung mutants. Nucleic Acid Res. 19: 4473-4478.
  • Szilvay, Anne Marie; Nornes, S.; Haugan, I. R.; Olsen, Lisbeth Charlotte; Prasad, V. R.; Endresen, Curt; Goff, S. P.; Helland, Dag Emil. 1992. Epitope mapping of HIV-1 reverse transcriptase with monoclonal antibodies which inhibit the polymerase and the RNaseH activities. Journal of Acquired Immune Deficiency Syndromes. 5: 647-657.
  • Szilway, A. M.; Nordnes, S.; Haugen, I. R.; Olsen, L.; Prasad, V.; Endresen, Curt; Goff, S. P.; Helland, Dag Emil. 1992. Epitope mapping of HIV-1 reverse transcripase and RNase H activities. J of Acquired Immune Deficiency Syndrome. 5: 647-657.
  • Helland, Dag Emil; Welles, J. L.; Caputo, A.; Haseltine, W. A. 1991. Transcellular transactivation by the HIV-1 #_t#_a#_t protein. Journal of Virology. 65: 4547-4549.
  • Merkle, R. K.; Helland, Dag Emil; Welles, J. L.; Shilatifard, A.; Haseltine, W. A.; Cummings, R. D. 1991. Gp160 of HIV-1 synthesized by persistently infected Molt-3 cells is terminally glycosylated: Evidence that cleavage of gp160 occurs subsequent to oligosaccharide processing. Archives of Biochemistry and Biophysics.
  • Slupphaug, G.; Olsen, Lisbeth Charlotte; Helland, Dag Emil; Aasland, Rein; Krokan, H. E. 1991. Cell cycle regulation and in vitro hybrid arrest analysis of the major human uracil- DNA glycosylase. Nucleic Acids Research. 19: 5131-5137.
  • Aasland, Rein; Olsen, Lisbeth Charlotte; Spurr, N. K.; Krokan, H. E.; Helland, Dag Emil. 1990. Chromosomal assignment of Human Uracil-DNA Glycosylase to Chromosome 12. Genomics. 7.
  • Haukanes, Bjørn Ivar; Szajko, Krzysztof; Helland, Dag Emil. 1990. Action of spermidine, N1-acetylspermidine, and N8-acetylspermidine at apurinic sites in DNA. FEBS Letters. 269: 389-393.
  • Haukanes, Bjørn Ivar; Helland, Dag Emil; kleppe, kjell. 1989. Action of mammalian AP-endonuclease on DNAs of defined sequences. Nucleic Acids Research. 17: 1493-1509.
  • Haukanes, Bjørn Ivar; Wittwer, Christian-Urs; Helland, Dag Emil. 1989. Mechanism of incision by an apurinic/apyrimidinic endonuclease present in human placenta. Nucleic Acids Research. 17: 5529-5535.
  • Haukanes, Bjørn Ivar; Helland, Dag Emil; kleppe, kjell. 1988. Analysis of cleavage Products of DNA repair enzymes and other nucleases. Characterization of an apurinic/apyrimidinic specific endonuclease from mouse plasmacytoma cells. Nucleic Acids Research. 16: 6871-6882.
  • Helland, Dag Emil; Male, Rune; Haukanes, Bjørn Ivar; Olsen, Lisbeth Charlotte; Haugan, I. R.; kleppe, kjell. 1987. Properties and mechanism of action of eukaryotic 3-methyladenine-DNA glycosylases. Journal of Cell Science, Supplement. 139-146.
  • Male, Rune; Haukanes, Bjørn Ivar; Helland, Dag Emil; kleppe, kjell. 1987. Substrate specificity of 3-methyladenine-DNA glycosylase from calf thymus. European Journal of Biochemistry. 165: 13-19.
  • Helland, Dag Emil; Raae, Arnt Johan; Fadnes, Per; kleppe, kjell. 1985. Properties of a DNA repair endonuclease from mouse plasmacytoma cells. European Journal of Biochemistry. 148: 471-477.
  • Helland, Dag Emil; Male, Rune; Kleppe, Ruth Karin; Sebjørnsen, Roald; Haukanes, Bjørn Ivar; kleppe, kjell. 1984. Properties of Enzymes that Recognize Modified Structures in DNA. Journal of Protein Chemistry. 3: 73-85.
Rapporter/avhandlinger
  • Hovland, Beate Indrebø; Nagel, Anne-Hilde; Helland, Dag Emil. 2007. Årsrapport 2006. De nasjonale forskningsetiske komiteer. Forskningsetiske komiteer, Oslo. 50 sider.
  • Helland, Dag Emil. 1981. Symmetrically transcribed T4RNA. UiB.
Bokkapitler
  • Helland, Dag Emil; Chilatifard, A.; Cummings, R. D. 1993. Structure of the oligosaccharides in the HIV-1 envelope glycoproteins. I:
    • [Mangler etternavn], [Mangler fornavn]. 1993. Vaccines 93: Modern Approaches to new vaccines including prevention of AIDS. (Red.: Brown, F. et al.).
  • Helland, Dag Emil. 1992. Genteknologi og AIDS-forskning. 125-130. I:
    • [Mangler etternavn], [Mangler fornavn]. 1992. Genteknologi og samfunn. "Hvitbok" om genteknolog, red. Prydz H.
  • Helland, Dag Emil. 1992. Genterapi - nytt håp for mange pasientgrupper. 47-51. I:
    • [Mangler etternavn], [Mangler fornavn]. 1992. Genteknologi og samfunn. "Hvitbok" om genteknolog, red. Prydz H.
  • Helland, Dag Emil; Repke, H.; Caputo, A.; Haseltine, W. A. 1991. The exogenous transactiviation of HIV-1 #_t#_a#_t. 301-310. I:
    • Haseltine, W. A.; Wang-Staal, F. 1991. Genetic Structure and Regulation of HIV.
  • Bjorvatn, B.; Helland, Dag Emil. 1990. Vaccines in health strategies of developing countries. The role of biotechnology and social sciences. -0, 88. I:
    • [Mangler etternavn], [Mangler fornavn]. 1990. Scand J Infect Dis. Suppl.

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