Hjem
Dag Emil Hellands bilde

Dag Emil Helland

Professor emeritus
  • E-postHelland@uib.no
  • Telefon+47 55 58 45 19
  • Besøksadresse
    Thormøhlensgt. 53 A/B
  • Postadresse
    Postboks 7803
    5020 Bergen
Vitenskapelig artikkel
  • 2009. Biochemical and virological analysis of the 18-residue C-terminal tail of HIV-1 integrase. Retrovirology. 13 sider.
  • 2000. Structural and functional similarities between HIV-1 reverse transcriptase and the E. coli RNA polymerase ß' subunit. FEBS Letters. 43-47.
  • 1996. Monoclonal antibodies against human immunodeficiency virus type 1 integrase: Epitope mapping and differential effects on integrase activitties in vitro. Journal of Virology. 1580-1587.
  • 1996. A monoclonal antibody defines a novel HIV type 1 Tat domain involved in trans-cellular trans-activation. AIDS Research and Human Retroviruses. 611-619.
  • 1996. A monoclonal antibody defines a novel HIV type 1 Tat domain involved in trans-cellular trans-activation. AIDS Research and Human Retroviruses. 611-619.
  • 1993. The Complex-Type-N-Linked Oligosaccharides of gp120 from HIV-1 Contain Sulfated N-Acetylglucosamine Residues. Journal of Virology. 943-954.
  • 1993. Human Uracil-DNA glycosylase is shared by the nucleus and the mitochondria. Nucleic Acid Res. 2579-2584.
  • 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. 393-403.
  • 1993. Characterization of HIV-1 reverse transcriptase with antibodies indicate conformational differences between the RNAseH domains of p66 and p15. Archives of Virology. 393-403.
  • 1993. Characterization of HIV-1 reverse transcriptase With antibodies indicates conformational differences between the RNaseH domains of p66 and p15. Archives of Virology. 393-403.
  • 1992. Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. European Journal of Biochemistry (EJB). 833-839.
  • 1992. Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. European Journal of Biochemistry (EJB). 833-839.
  • 1992. Human uracil DNA glycosylase cDNA complements E.coli ung mutants. Nucleic Acid Res. 4473-4478.
  • 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. 647-657.
  • 1992. Epitope mapping of HIV-1 reverse transcripase and RNase H activities. Journal of Acquired Immune Deficiency Syndromes. 647-657.
  • 1991. Transcellular transactivation by the HIV-1 #_t#_a#_t protein. Journal of Virology. 4547-4549.
  • 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.
  • 1991. Cell cycle regulation and in vitro hybrid arrest analysis of the major human uracil- DNA glycosylase. Nucleic Acids Research. 5131-5137.
  • 1990. Chromosomal assignment of Human Uracil-DNA Glycosylase to Chromosome 12. Genomics.
  • 1990. Action of spermidine, N1-acetylspermidine, and N8-acetylspermidine at apurinic sites in DNA. FEBS Letters. 389-393.
  • 1989. Mechanism of incision by an apurinic/apyrimidinic endonuclease present in human placenta. Nucleic Acids Research. 5529-5535.
  • 1989. Action of mammalian AP-endonuclease on DNAs of defined sequences. Nucleic Acids Research. 1493-1509.
  • 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. 6871-6882.
  • 1987. Substrate specificity of 3-methyladenine-DNA glycosylase from calf thymus. European Journal of Biochemistry (EJB). 13-19.
  • 1987. Properties and mechanism of action of eukaryotic 3-methyladenine-DNA glycosylases. Journal of Cell Science, Supplement. 139-146.
  • 1985. Properties of a DNA repair endonuclease from mouse plasmacytoma cells. European Journal of Biochemistry (EJB). 471-477.
  • 1984. Properties of Enzymes that Recognize Modified Structures in DNA. Journal of Protein Chemistry. 73-85.
Rapport
  • 2007. Årsrapport 2006. De nasjonale forskningsetiske komiteer. .
Populærvitenskapelig foredrag
  • 2005. Ånd versus materie.
  • 2003. Hype and hope i bioteknologi.
  • 2003. Hype and hope i biomnedisinsk forsking.
  • 2003. Bioetiske utfordringar.
Vitenskapelig foredrag
  • 2003. lentiviral reverse Transcriptases.
  • 2003. Bioetikkundervising ved Universitetet i Bergen.
  • 2003. Bioetikkundervising.
Vitenskapelig antologi/Konferanseserie
  • 1990. Damage specific mammalian endonucleases. In "DNA Damage and Repair in Human Tissues" (eds. Sutherland, B.M. and A.D. Woodhead). Plenum Press.
Vitenskapelig kommentarutgave
  • 2008. Patentnemd uten portefølje? En analyse av etiske utfordringer ved patentering.
Fagbok
  • 1998. Genteknologi og det menneskelege. Alma Mater.
Hovedfagsoppgave
  • 2005. Framstilling og analyse av antiserum mot dei presynaptiske proteina synaptotagmin I, SNAP-25 og VAMP 2.
  • 2005. An effort to produce the proteins sec5 and sec6 recombinantly in bacteria and insect cells.
Mastergradsoppgave
  • 2005. Establishing a Yeast Three-Hybrid System to study Ternary Complex formation between Nucleocapsid and the Hetrodimer reverse Transcriptase of HIV-1.
  • 2005. Comparison of the systemic cytokine and antibody responses after influenza vaccination or infection of mice.
  • 2005. A study of Heterodimerization of HIV-1 Reverse Transcriptase Using Deletion Mutations in the RNase H domain.
  • 2005. A genetic approach to study heterodimerization of HIV-1 Reverse Transcriptase by site-directed mutagenesis using the yeast-two-hybrid system: a special emphasis on the role of the Rnase H domain.
Kronikk
  • 2003. Modellen som løyste gåta. Bergens Tidende.
Doktorgradsavhandling
  • 2004. The subcellular localization, function and trafficking of lentiviral Tat protein.
  • 1981. Symmetrically transcribed T4RNA.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 1993. Structure of the oligosaccharides in the HIV-1 envelope glycoproteins.
  • 1992. Genterapi - nytt håp for mange pasientgrupper. 5 sider.
  • 1992. Genteknologi og AIDS-forskning. 6 sider.
  • 1991. The exogenous transactiviation of HIV-1 #_t#_a#_t. 10 sider.
  • 1990. Vaccines in health strategies of developing countries. The role of biotechnology and social sciences. 1 sider.
Populærvitenskapelig bok
  • 1998. Genteknologi og det menneskelege. Alma mater.

Se fullstendig oversikt over publikasjoner i CRIStin.