Academic article

• A. M. Szilway; S. Nordnes; I. R. Haugen et al. (1992). Epitope mapping of HIV-1 reverse transcripase and RNase H activities. (external link)
• Rein Aasland; Lisbeth Charlotte Olsen; N. K. Spurr et al. (1990). Chromosomal assignment of Human Uracil-DNA Glycosylase to Chromosome 12. (external link)
• Anne Marie Szilvay; S. Nornes; A. Kannapiran et al. (1993). Characterization of HIV-1 reverse transcriptase with antibodies indicate conformational differences between the RNAseH domains of p66 and p15. (external link)
• A. Shilatifard; R. M. Merkle; Dag Emil Helland et al. (1993). The Complex-Type-N-Linked Oligosaccharides of gp120 from HIV-1 Contain Sulfated N-Acetylglucosamine Residues. (external link)
• G. Slupphaug; F.-H. Markussen; Lisbeth Charlotte Olsen et al. (1993). Human Uracil-DNA glycosylase is shared by the nucleus and the mitochondria. (external link)
• Anne Marie Szilvay; Svanhild Nornes; Amirtheligam Kannapiran et al. (1993). Characterization of HIV-1 reverse transcriptase With antibodies indicates conformational differences between the RNaseH domains of p66 and p15. (external link)
• Ikramul Huq; Bjørn Ivar Haukanes; Dag Emil Helland (1992). Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. (external link)
• R. K. Merkle; Dag Emil Helland; J. L. Welles 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. (external link)
• Dag Emil Helland; J. L. Welles; A. Caputo et al. (1991). Transcellular transactivation by the HIV-1 #_t#_a#_t protein. (external link)
• G. Slupphaug; Lisbeth Charlotte Olsen; Dag Emil Helland et al. (1991). Cell cycle regulation and in vitro hybrid arrest analysis of the major human uracil- DNA glycosylase. (external link)
• B.M. Nilsen; I.R. Haugan; Karin Berg et al. (1996). Monoclonal antibodies against human immunodeficiency virus type 1 integrase: Epitope mapping and differential effects on integrase activitties in vitro. (external link)
• Håvard Valvatne; Anne Marie Szilvay; Dag Emil Helland (1996). A monoclonal antibody defines a novel HIV type 1 Tat domain involved in trans-cellular trans-activation. (external link)
• Mohd J Dar; Blandine Monel; Lavanya Krishnan et al. (2009). Biochemical and virological analysis of the 18-residue C-terminal tail of HIV-1 integrase. (external link)
• Ikramul Huq; B.-I. Haukanes; Dag Emil Helland (1992). Purification to homogeneity and characterization of a redoxyendonuclease from calf thymus. (external link)
• Lisbeth Charlotte Olsen; Rein Aasland; H. E. Krokan et al. (1992). Human uracil DNA glycosylase cDNA complements E.coli ung mutants. (external link)
• Anne Marie Szilvay; S. Nornes; I. R. Haugan et al. (1992). Epitope mapping of HIV-1 reverse transcriptase with monoclonal antibodies which inhibit the polymerase and the RNaseH activities. (external link)
• Bjørn Ivar Haukanes; Krzysztof Szajko; Dag Emil Helland (1990). Action of spermidine, N1-acetylspermidine, and N8-acetylspermidine at apurinic sites in DNA. (external link)
• Dag Emil Helland; Rune Male; Ruth Karin Kleppe et al. (1984). Properties of Enzymes that Recognize Modified Structures in DNA. (external link)
• Bjørn Ivar Haukanes; Dag Emil Helland; kjell kleppe (1988). Analysis of cleavage Products of DNA repair enzymes and other nucleases. Characterization of an apurinic/apyrimidinic specific endonuclease from mouse plasmacytoma cells. (external link)
• Bjørn Ivar Haukanes; Dag Emil Helland; kjell kleppe (1989). Action of mammalian AP-endonuclease on DNAs of defined sequences. (external link)
• Anne Marie Szilvay; Beate Stern; Arne Blichenberg et al. (2000). Structural and functional similarities between HIV-1 reverse transcriptase and the E. coli RNA polymerase ß' subunit. (external link)
• Anne Marie Szilvay; S. Nornes; Amirtheligam Kannapiran 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. (external link)
• Håvard Valvatne; Anne Marie Szilvay; Dag Emil Helland (1996). A monoclonal antibody defines a novel HIV type 1 Tat domain involved in trans-cellular trans-activation. (external link)
• Dag Emil Helland; Arnt Johan Raae; Per Fadnes et al. (1985). Properties of a DNA repair endonuclease from mouse plasmacytoma cells. (external link)
• Rune Male; Bjørn Ivar Haukanes; Dag Emil Helland et al. (1987). Substrate specificity of 3-methyladenine-DNA glycosylase from calf thymus. (external link)
• Dag Emil Helland; Rune Male; Bjørn Ivar Haukanes et al. (1987). Properties and mechanism of action of eukaryotic 3-methyladenine-DNA glycosylases. (external link)
• Bjørn Ivar Haukanes; Christian-Urs Wittwer; Dag Emil Helland (1989). Mechanism of incision by an apurinic/apyrimidinic endonuclease present in human placenta. (external link)

Academic book chapter

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

Letter to the editor

• Dag Emil Helland; Lars Haarr; Rein Aasland (2025). Nekrolog: Ruth Kleppe Aakvaag. (external link)

Lecture

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

Conference lecture

• Dag Emil Helland (2003). Bioetikkundervising ved Universitetet i Bergen. (external link)
• Dag Emil Helland (2003). lentiviral reverse Transcriptases. (external link)
• Dag Emil Helland (2003). Bioetikkundervising. (external link)

Master’s thesis

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

Non-fiction monograph

• Lars Haarr; Dag Emil Helland (1998). Genteknologi og det menneskelege. (external link)

Doctoral thesis (PhD)

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

Book anthology

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

Research report

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

Popular science book

• Lars Harr; Dag Emil Helland; Peter Fredrik Hjort (1998). Genteknologi og det menneskelege. (external link)

Academic commentary

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

Media feature article

• Dag Emil Helland (2003). Modellen som løyste gåta. (external link)

See a complete overview of publications in NVA.