Leserinnlegg

• Helland, Dag Emil; Haarr, Lars; Aasland, Rein (2025). Nekrolog: Ruth Kleppe Aakvaag. (ekstern lenke)

Vitenskapelig artikkel

• Dar, Mohd J; Monel, Blandine; Krishnan, Lavanya et al. (2009). Biochemical and virological analysis of the 18-residue C-terminal tail of HIV-1 integrase. (ekstern lenke)
• Szilvay, Anne Marie; Stern, Beate; Blichenberg, Arne et al. (2000). Structural and functional similarities between HIV-1 reverse transcriptase and the E. coli RNA polymerase ß' subunit. (ekstern lenke)
• Nilsen, B.M.; Haugan, I.R.; Berg, Karin et al. (1996). Monoclonal antibodies against human immunodeficiency virus type 1 integrase: Epitope mapping and differential effects on integrase activitties in vitro. (ekstern lenke)
• 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. (ekstern lenke)
• 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. (ekstern lenke)
• Szilvay, Anne Marie; Nornes, S.; Kannapiran, A. et al. (1993). Characterization of HIV-1 reverse transcriptase with antibodies indicate conformational differences between the RNAseH domains of p66 and p15. (ekstern lenke)
• Shilatifard, A.; Merkle, R. M.; Helland, Dag Emil et al. (1993). The Complex-Type-N-Linked Oligosaccharides of gp120 from HIV-1 Contain Sulfated N-Acetylglucosamine Residues. (ekstern lenke)
• Slupphaug, G.; Markussen, F.-H.; Olsen, Lisbeth Charlotte et al. (1993). Human Uracil-DNA glycosylase is shared by the nucleus and the mitochondria. (ekstern lenke)
• Szilvay, Anne Marie; Nornes, Svanhild; Kannapiran, Amirtheligam et al. (1993). Characterization of HIV-1 reverse transcriptase With antibodies indicates conformational differences between the RNaseH domains of p66 and p15. (ekstern lenke)
• Szilvay, Anne Marie; Nornes, S.; Kannapiran, Amirtheligam et al. (1993). Characterization of HIV-1 reverse transcriptase with antibodies indicates conformational differences between the RNAse H domains of p 66 and p 15. (ekstern lenke)
• Szilway, A. M.; Nordnes, S.; Haugen, I. R. et al. (1992). Epitope mapping of HIV-1 reverse transcripase and RNase H activities. (ekstern lenke)
• Huq, Ikramul; Haukanes, Bjørn Ivar; Helland, Dag Emil (1992). Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. (ekstern lenke)
• Huq, Ikramul; Haukanes, B.-I.; Helland, Dag Emil (1992). Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. (ekstern lenke)
• Olsen, Lisbeth Charlotte; Aasland, Rein; Krokan, H. E. et al. (1992). Human uracil DNA glycosylase cDNA complements E.coli ung mutants. (ekstern lenke)
• Szilvay, Anne Marie; Nornes, S.; Haugan, I. R. et al. (1992). Epitope mapping of HIV-1 reverse transcriptase with monoclonal antibodies which inhibit the polymerase and the RNaseH activities. (ekstern lenke)
• Merkle, R. K.; Helland, Dag Emil; Welles, J. L. et al. (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. (ekstern lenke)
• Helland, Dag Emil; Welles, J. L.; Caputo, A. et al. (1991). Transcellular transactivation by the HIV-1 #_t#_a#_t protein. (ekstern lenke)
• Slupphaug, G.; Olsen, Lisbeth Charlotte; Helland, Dag Emil et al. (1991). Cell cycle regulation and in vitro hybrid arrest analysis of the major human uracil- DNA glycosylase. (ekstern lenke)
• Aasland, Rein; Olsen, Lisbeth Charlotte; Spurr, N. K. et al. (1990). Chromosomal assignment of Human Uracil-DNA Glycosylase to Chromosome 12. (ekstern lenke)
• Haukanes, Bjørn Ivar; Szajko, Krzysztof; Helland, Dag Emil (1990). Action of spermidine, N1-acetylspermidine, and N8-acetylspermidine at apurinic sites in DNA. (ekstern lenke)
• Haukanes, Bjørn Ivar; Helland, Dag Emil; kleppe, kjell (1989). Action of mammalian AP-endonuclease on DNAs of defined sequences. (ekstern lenke)
• Haukanes, Bjørn Ivar; Wittwer, Christian-Urs; Helland, Dag Emil (1989). Mechanism of incision by an apurinic/apyrimidinic endonuclease present in human placenta. (ekstern lenke)
• 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. (ekstern lenke)
• Male, Rune; Haukanes, Bjørn Ivar; Helland, Dag Emil et al. (1987). Substrate specificity of 3-methyladenine-DNA glycosylase from calf thymus. (ekstern lenke)
• Helland, Dag Emil; Male, Rune; Haukanes, Bjørn Ivar et al. (1987). Properties and mechanism of action of eukaryotic 3-methyladenine-DNA glycosylases. (ekstern lenke)
• Helland, Dag Emil; Raae, Arnt Johan; Fadnes, Per et al. (1985). Properties of a DNA repair endonuclease from mouse plasmacytoma cells. (ekstern lenke)
• Helland, Dag Emil; Male, Rune; Kleppe, Ruth Karin et al. (1984). Properties of Enzymes that Recognize Modified Structures in DNA. (ekstern lenke)

Vitenskapelig kommentarutgave

• Bomann-Larsen, Lene; Helland, Dag E; Hviid-Nielsen, Torben et al. (2008). Patentnemd uten portefølje? En analyse av etiske utfordringer ved patentering. (ekstern lenke)

Rapport

• Hovland, Beate Indrebø; Nagel, Anne-Hilde; Helland, Dag Emil (2007). Årsrapport 2006. De nasjonale forskningsetiske komiteer. (ekstern lenke)

Faglig foredrag

• Fjelland, Ragnar; Helland, Dag Emil; Cuzzani, Paola De (2005). Ånd versus materie. (ekstern lenke)
• Helland, Dag Emil (2003). Hype and hope i biomnedisinsk forsking. (ekstern lenke)
• Helland, Dag Emil (2003). Bioetiske utfordringar. (ekstern lenke)
• Helland, Dag Emil (2003). Hype and hope i bioteknologi. (ekstern lenke)

Mastergradsoppgave

• Bakke, Siri; Helland, Dag Emil; Male, Rune (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. (ekstern lenke)
• Haanshuus, Christel Gill; Helland, Dag Emil; Male, Rune (2005). A study of Heterodimerization of HIV-1 Reverse Transcriptase Using Deletion Mutations in the RNase H domain. (ekstern lenke)
• Markussen, Silje Sørum; Helland, Dag Emil; Male, Rune (2005). Establishing a Yeast Three-Hybrid System to study Ternary Complex formation between Nucleocapsid and the Hetrodimer reverse Transcriptase of HIV-1. (ekstern lenke)
• Szyszko, Ewa Alicja; Madhun, Abdullah Sami; Helland, Dag Emil (2005). Comparison of the systemic cytokine and antibody responses after influenza vaccination or infection of mice. (ekstern lenke)
• Fredriksen, Irene; Davanger, Svend; Helland, Dag Emil (2005). Framstilling og analyse av antiserum mot dei presynaptiske proteina synaptotagmin I, SNAP-25 og VAMP 2. (ekstern lenke)
• Davanger, Svend; Helland, Dag Emil; Feta, Almir (2005). An effort to produce the proteins sec5 and sec6 recombinantly in bacteria and insect cells. (ekstern lenke)

Doktorgradsavhandling

• Andresen, Vibeke; Helland, Dag Emil; Szilvay, Anne Marie (2004). The subcellular localization, function and trafficking of lentiviral Tat protein. (ekstern lenke)
• Helland, Dag Emil (1981). Symmetrically transcribed T4RNA. (ekstern lenke)

Vitenskapelig foredrag

• Helland, Dag Emil (2003). Bioetikkundervising ved Universitetet i Bergen. (ekstern lenke)
• Helland, Dag Emil (2003). lentiviral reverse Transcriptases. (ekstern lenke)
• Helland, Dag Emil (2003). Bioetikkundervising. (ekstern lenke)

Kronikk

• Helland, Dag Emil (2003). Modellen som løyste gåta. (ekstern lenke)

Fagbok

• Haarr, Lars; Helland, Dag Emil (1998). Genteknologi og det menneskelege. (ekstern lenke)

Populærvitenskapelig bok

• Harr, Lars; Helland, Dag Emil; Hjort, Peter Fredrik (1998). Genteknologi og det menneskelege. (ekstern lenke)

Vitenskapelig antologi/Konferanseserie

• Haarr, Lars; Helland, Dag Emil (1998). Genteknologi og det menneskelege. (ekstern lenke)
• Haukanes, Bjørn Ivar; Doetsch, P.W.; Olsen, Lisbeth Charlotte et al. (1990). Damage specific mammalian endonucleases. In "DNA Damage and Repair in Human Tissues" (eds. Sutherland, B.M. and A.D. Woodhead). (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

• Helland, Dag Emil; Chilatifard, A.; Cummings, R. D. (1993). Structure of the oligosaccharides in the HIV-1 envelope glycoproteins. (ekstern lenke)
• Helland, Dag Emil (1992). Genterapi - nytt håp for mange pasientgrupper. (ekstern lenke)
• Helland, Dag Emil (1992). Genteknologi og AIDS-forskning. (ekstern lenke)
• Helland, Dag Emil; Repke, H.; Caputo, A. et al. (1991). The exogenous transactiviation of HIV-1 #_t#_a#_t. (ekstern lenke)
• Bjorvatn, B.; Helland, Dag Emil (1990). Vaccines in health strategies of developing countries. The role of biotechnology and social sciences. (ekstern lenke)

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