Hjem
Nils Kåre Birkelands bilde

Nils Kåre Birkeland

Professor
  • E-postNils.Birkeland@uib.no
  • Telefon+47 55 58 26 57
  • Besøksadresse
    Thormøhlens gate 53 A/B
    Rom 
    3G20
  • Postadresse
    Postboks 7803
    5020 Bergen
Vitenskapelig artikkel
  • Vis forfatter(e) (2020). Geothermal springs in Armenia and Nagorno-Karabakh: potential sources of hydrolase-producing thermophilic bacilli. Extremophiles. 519-536.
  • Vis forfatter(e) (2020). Endophytic bacteria associated with halophyte Seidlitzia rosmarinus Ehrenb. ex Boiss. from saline soil of Uzbekistan and their plant beneficial traits. Journal of Arid Land. 730-740.
  • Vis forfatter(e) (2020). Draft Genome Sequence of Escherichia coli Strain Tj, Isolated from the Varzob River in Tajikistan. Microbiology Resource Announcements (MRA).
  • Vis forfatter(e) (2020). A novel cold-adapted Methylovulum species, with a high C16:1ω5c content, isolated from an arctic thermal spring in spitsbergen. Microbes and Environments. 1-9.
  • Vis forfatter(e) (2019). Insights into the Bacterial Diversity of the Acidic Akhtala Mine Tailing in Armenia Using Molecular Approaches. Current Microbiology. 462-469.
  • Vis forfatter(e) (2019). Global Biogeographic Distribution Patterns of Thermoacidophilic Verrucomicrobia Methanotrophs Suggest Allopatric Evolution. Frontiers in Microbiology. 1-11.
  • Vis forfatter(e) (2019). Complete genome sequence analysis of the thermoacidophilic verrucomicrobial methanotroph “Candidatus Methylacidiphilum kamchatkense” strain Kam1 and comparison with its closest relatives. BMC Genomics. 1-15.
  • Vis forfatter(e) (2019). Bacterial Community Profiling of Tropical Freshwaters in Bangladesh. Frontiers In Public Health. 1-16.
  • Vis forfatter(e) (2019). A glimpse of the prokaryotic diversity of the Large Aral Sea reveals novel extremophilic bacterial and archaeal groups. MicrobiologyOpen. 1-13.
  • Vis forfatter(e) (2018). Bacilli community of saline–alkaline soils from the Ararat Plain (Armenia) assessed by molecular and culture-based methods. Systematic and Applied Microbiology. 232-240.
  • Vis forfatter(e) (2017). Protection against shigellosis caused by shigella dysenteriae serotype 4 in Guinea pigs using escherichia albertii dm104 as a live vaccine candidate strain. Acta Microbiologica et Immunologica Hungarica. 151-164.
  • Vis forfatter(e) (2017). Diversity of bacteria and archaea from two shallow marine hydrothermal vents from Vulcano Island. Extremophiles. 733-742.
  • Vis forfatter(e) (2017). Complete genome sequence analysis of Archaeoglobus fulgidus strain 7324 (DSM 8774), a hyperthermophilic archaeal sulfate reducer from a North Sea oil field. Standards in Genomic Sciences.
  • Vis forfatter(e) (2016). Acid-tolerant moderately thermophilic methanotrophs of the class Gammaproteobacteria isolated from tropical topsoil with methane seeps. Frontiers in Microbiology.
  • Vis forfatter(e) (2015). Novel Methanotrophs of the Family Methylococcaceae from Different Geographical Regions and Habitats. Microorganisms.
  • Vis forfatter(e) (2015). Evidence for extensive gene flow and Thermotoga subpopulations in subsurface and marine environments. The ISME Journal. 1532-1542.
  • Vis forfatter(e) (2014). Microbial diversity in an Armenian geothermal spring assessed by molecular and culture-based methods. Journal of Basic Microbiology. 1240-1250.
  • Vis forfatter(e) (2014). Microbial community analysis of thermophilic mixed culture sludge for biohydrogen production from palm oil mill effluent. International Journal of Hydrogen Energy. 19285-19293.
  • Vis forfatter(e) (2014). An Environmental escherichia albertii strain, dm104, induces protective immunity to shigella dysenteriae in guinea pig eye model. Current Microbiology. 642-647.
  • Vis forfatter(e) (2014). Activation of the MCM helicase from the thermophilic archaeon, Thermoplasma acidophilum by interactions with GINS and Cdc6-2. Extremophiles. 915-924.
  • Vis forfatter(e) (2013). Thermoanaerobacter spp. recovered from hot produced water from the Thar Jath oil-field in South Sudan. African Journal of Microbiology Research. 5219-5226.
  • Vis forfatter(e) (2013). Serological cross-reaction between O-antigens of Shigella dysenteriae type 4 and an environmental Escherichia albertii isolate. Current Microbiology. 590-595.
  • Vis forfatter(e) (2013). Prevalence and distribution of different diarrhoeagenic Escherichia coli virulotypes in major water bodies in Bangladesh. Epidemiology and Infection. 2516-2525.
  • Vis forfatter(e) (2013). Heavy metal accumulation and the expression of the copA and nikA genes in Bacillus subtilis AG4 isolated from the Sotk gold mine in Armenia. Biological Journal of Armenia. 51-57.
  • Vis forfatter(e) (2013). Evidence for successional development in Antarctic hypolithic bacterial communities. The ISME Journal. 2080-2090.
  • Vis forfatter(e) (2012). Prevalence of a novel division-level bacterial lineage in Lake Dhanmondi, Dhaka, Bangladesh, as revealed by deep sequencing of 16S rRNA gene amplicons. Current Microbiology. 356-360.
  • Vis forfatter(e) (2012). Evidence of interspecies O antigen gene cluster transfer between Shigella boydii 15 and Escherichia fergusonii. APMIS - Journal of Pathologiy, Microbiology and Immunology. 959-966.
  • Vis forfatter(e) (2012). Differential expression of particulate methane monooxygenase genes in the verrucomicrobial methanotroph 'Methylacidiphilum kamchatkense' Kam1. Extremophiles. 405-409.
  • Vis forfatter(e) (2011). Uracil-DNA Glycosylase of Thermoplasma acidophilum Directs Long-Patch Base Excision Repair, Which Is Promoted by Deoxynucleoside Triphosphates and ATP/ADP, into Short-Patch Repair. Journal of Bacteriology. 4495-4508.
  • Vis forfatter(e) (2011). The GINS complex from the thermophilic archaeon, Thermoplasma acidophilum may function as a homotetramer in DNA replication. Extremophiles. 529-539.
  • Vis forfatter(e) (2011). Recovery and Characterization of Environmental Variants of Shigella flexneri from Surface Water in Bangladesh. Current Microbiology. 372-376.
  • Vis forfatter(e) (2010). Virulence of environmental Stenotrophomonas maltophila serologically cross-reacting with Shigella-specific antisera. Pakistan Journal of Biological Sciences. 937-945.
  • Vis forfatter(e) (2010). Thermodynamic and kinetic stability of a large multi-domain enzyme from the hyperthermophile Aeropyrum pernix. Extremophiles. 213-223.
  • Vis forfatter(e) (2010). The Hyperthermophilic Euryarchaeon Archaeoglobus fulgidus Repairs Uracil by Single-Nucleotide Replacement. Journal of Bacteriology. 5755-5766.
  • Vis forfatter(e) (2010). Survival study of Eschericia coli O157:H7 in the aquatic system of Bangladesh. Dhaka University Journal of Biological Sciences. 195-201.
  • Vis forfatter(e) (2010). Intracellular Oceanospirillales bacteria inhabit gills of Acesta bivalves. FEMS Microbiology Ecology. 523-533.
  • Vis forfatter(e) (2009). The Genome of Thermosipho africanus TCF52B: Lateral Genetic Connections to the Firmicutes and Archaea. Journal of Bacteriology. 1974-1978.
  • Vis forfatter(e) (2009). SulfoSYS (Sulfolobus Systems Biology): towards a silicon cell model for the central carbohydrate metabolism of the archaeon Sulfolobus solfataricus under temperature variation. Biochemical Society Transactions. 58-64.
  • Vis forfatter(e) (2009). SulfoSYS (Sulfolobus Systems Biology): towards a silicon cell model for the central carbohydrate metabolism of the archaeon Sulfolobus solfataricus under temperature variation. Biochemical Society Transactions. 58-64.
  • Vis forfatter(e) (2009). Prevalence of antimicrobial resistant bacteria cultured from cattle feces and surface water. Bangladesh Journal of Zoology. 147-156.
  • Vis forfatter(e) (2009). Optimization and microbial community analysis for production of biohydrogen from palm oil mill effluent by thermophilic fermentative process. International Journal of Hydrogen Energy. 7448-7459.
  • Vis forfatter(e) (2009). Kosmotoga olearia gen. nov., sp nov., a thermophilic, anaerobic heterotroph isolated from an oil production fluid. International Journal of Systematic and Evolutionary Microbiology. 2991 -3000.
  • Vis forfatter(e) (2009). Evaluation of methods for preparing hydrogen-producing seed inocula under thermophilic condition by process performance and microbial community analysis. Bioresource Technology. 909-918.
  • Vis forfatter(e) (2009). Comparison of Cultural and Molecular Characteristics of Escherichia coli isolated from Freshwater of Bangladesh. Dhaka University Journal of Biological Sciences. 195-199.
  • Vis forfatter(e) (2009). Biochemical characterization of the minichromosome maintenance protein from the archaeon Thermoplasma acidophilum. Extremophiles. 81-88.
  • Vis forfatter(e) (2008). Thermoplasma acidophilum Cdc6 protein stimulates MCM helicase activity by regulating its ATPase activity. Nucleic Acids Research (NAR). 5602-5609.
  • Vis forfatter(e) (2008). Optimization of simultaneous thermophilic fermentative hydrogen production and COD reduction from palm oil mill effluent by Thermoanaerobacterium-rich sludge. International Journal of Hydrogen Energy. 1221-1231.
  • Vis forfatter(e) (2008). Microbial community structure analysis of produced water from a high-temperature North Sea oil-field. Antonie van Leeuwenhoek. International Journal of General and Molecular Microbiology. 37-49.
  • Vis forfatter(e) (2008). Methane oxidation at 55 degrees C and pH 2 by a thermoacidophilic bacterium belonging to the Verrucomicrobia phylum. Proceedings of the National Academy of Sciences of the United States of America. 300-304.
  • Vis forfatter(e) (2008). Methane assimilation and trophic interactions with marine Methylomicrobium in deep-water coral reef sediment off the coast of Norway. FEMS Microbiology Ecology. 320-330.
  • Vis forfatter(e) (2008). Insight into the microbial community structure of a Norwegian deep-water coral reef environment. Deep Sea Research Part I: Oceanographic Research Papers. 1554-1563.
  • Vis forfatter(e) (2008). Distribution of Crenarchaeota Representatives in Terrestrial Hot Springs of Russia and Iceland. Applied and Environmental Microbiology. 7620-7628.
  • Vis forfatter(e) (2008). Characterization of the Cdc6 Homologues from the Euryarchaeon Thermoplasma acidophilum. Open Biochemistry Journal. 129-134.
  • Vis forfatter(e) (2008). Caldicellulosiruptor kronotskyensis sp nov and Caldicellulosiruptor hydrothermalis sp nov., two extremely thermophilic, cellulolytic, anaerobic bacteria from Kamchatka thermal springs. International Journal of Systematic and Evolutionary Microbiology. 1492-1496.
  • Vis forfatter(e) (2007). Thermal stability of isocitrate dehydrogenase from Archaeoglobus fulgidus studied by crystal structure analysis and engineering of chimers. Extremophiles.
  • Vis forfatter(e) (2007). Thermal stability and biochemical properties of isocitrate dehydrogenase from the thermoacidophilic archaeon Thermoplasma acidophilum. Extremophiles. 397-402.
  • Vis forfatter(e) (2007). Structural basis for enzymatic excision of N-1-methyladenine and N-3-methylcytosine from DNA. EMBO Journal.
  • Vis forfatter(e) (2007). Structural basis for enzymatic excision of N-1-methyladenine and N-3-methylcytosine from DNA. EMBO Journal.
  • Vis forfatter(e) (2007). Serological cross-reactivity of environmental isolates of Enterobacter, Escherichia, Stenotrophomonas, and Aerococcus with Shigella spp.-specific antisera. Current Microbiology. 63-67.
  • Vis forfatter(e) (2007). Improvement of biohydrogen production and treatment etticiency on palm oil mill effluent with nutrient supplementation at thermophilic condition using an anaerobic sequencing batch reactor. Enzyme and Microbial Technology. 583-590.
  • Vis forfatter(e) (2007). Biochemical characterization of isocitrate dehydrogenase from Methylococcus capsulatus reveals a unique NAD(+)-dependent homotetrameric enzyme. Archives of Microbiology.
  • Vis forfatter(e) (2006). Thermovirga lienii gen. nov., sp. nov., a novel moderately thermophilic, anaerobic, amino-acid-degrading bacterium isolated from a North Sea oil well. International Journal of Systematic and Evolutionary Microbiology. 1539-1545.
  • Vis forfatter(e) (2006). The crystal structure of a hyperthermostable subfamily II isocitrate dehydrogenase from Thermotoga maritima. The FEBS Journal. 2851-2868.
  • Vis forfatter(e) (2006). Tepidimicrobium ferriphilum gen nov, sp nov, a novel moderately thermophilic, Fe(III)-reducing bacterium of the order Clostridiales. International Journal of Systematic and Evolutionary Microbiology. 369-372.
  • Vis forfatter(e) (2006). Stimulation of MCM helicase activity by a Cdc6 protein in the archaeon Thermoplasma acidophilum. Nucleic Acids Research (NAR). 6337-6344.
  • Vis forfatter(e) (2006). Mineralization of 4-aminobenzenesulfonate (4-ABS) by Agrobacterium sp. strain PNS-1. Biodegradation. 495-502.
  • Vis forfatter(e) (2005). Transient accumulation of metabolic intermediates of p-cresol in the culture medium by a Pseudomonas sp strain A isolated from a sewage treatment plant. World Journal of Microbiology & Biotechnology. 1529-1534.
  • Vis forfatter(e) (2005). Reduction of uranium(VI) phosphate during growth of the thermophilic bacterium Thermoterrabacterium ferrireducens. Applied and Environmental Microbiology. 6423-6426.
  • Vis forfatter(e) (2005). Isocitrate dehydrogenase from the hyperthermophile Aeropyrum pernix: X-ray structure analysis of a ternary enzyme-substrate complex and thermal stability. Journal of Molecular Biology (JMB). 559-577.
  • Vis forfatter(e) (2004). The microbial diversity of deep subsurface oil reservoirs. Studies in Surface Science and Catalysis. 385-403.
  • Vis forfatter(e) (2004). The 2.9 Ångström resolution crystal structure of malate dehydrogenase from Archaeoglobus fulgidus: mechanisms of oligomerisation and thermal stabilisation. Journal of Molecular Biology (JMB). 343-356.
  • Vis forfatter(e) (2004). Genomic insights into methanotrophy: The complete genome sequence of Methylococcus capsulatus (Bath). PLoS Biology. 1616-1628.
  • Vis forfatter(e) (2002). Methylpurine DNA glycosylase of the hyperthermophilic archaeon Archaeoglobus fulgidus. Biochemistry. 12697-12705.
  • Vis forfatter(e) (2002). Methylpurine DNA glycosylase of the hyperthermophilic archaeon Archaeoglobus fulgidus. Biochemistry. 12697-12705.
  • Vis forfatter(e) (2002). Identification of cofactor discrimination sites in NAD-isocitrate dehydrogenase from Pyrococcus furiosus. Archives of Microbiology. 297-300.
  • Vis forfatter(e) (2002). Identification of cofactor discrimination siten in NAD-isocitrate dehydrogenase from Pyrococcus furious. Archives of Microbiology. 297-300.
  • Vis forfatter(e) (2002). Crystallization and preliminary X-ray structure analysis of isocitrate dehydrogenase from two hyperthermophiles, Aeropyrum pernix and Thermotoga maritima. Acta Crystallographica Section D: Biological Crystallography. 2162-2164.
  • Vis forfatter(e) (2002). Chromosome replication patterns in the hyperthermophilic euryarchaea Archaeoglobus fulgidus and Methanocaldococcus (Methanococcus) jannaschii. Molecular Microbiology. 1443-1450.
  • Vis forfatter(e) (2001). Excision of uracil from DNA by the hyperthermophilic Afung protein is dependent on the opposite base and stimulated by heat-induced transition to a more open structure. Mutation Research (DNA Repair). 175-192.
  • Vis forfatter(e) (2001). Differences in the oligomeric state of the LDH-like L-MalDH from the hyperthermophilic archaea Methanococcus jannaschii and Archaeoglobus fulgidus. Biochemistry. 10310-10316.
  • Vis forfatter(e) (2001). Differences in Oligomeric States of the (LDH-like)L-MalDH from the Hyperthermophilic Archaea Methanococcus jannaschii and Archaeoglobus fulgidus. Biochemistry. 10310-10316.
  • Vis forfatter(e) (2001). Comparison of isocitrate dehydrogenase from three different hyperthermophiles reveals differences in thermostability, cofactor specificity, oligomeric state and phylogenetic affiliation. Journal of Biological Chemistry. 43924-43931.
  • Vis forfatter(e) (2001). Comparison of Isocitrate Dehydrogenase from Three Hyperthermophiles Reveals Differences in Thermostability,Cofactor Specificity,Oligomeric State, and Phylogenetic Affiliation. Journal of Biological Chemistry. 43924-43931.
  • Vis forfatter(e) (2001). Archaeoglobus fulgidus isocitrate dehydrogenase, malate dehydrogenase and glutamate dehydrogenase. Methods in Enzymology. 13-26.
  • Vis forfatter(e) (2001). A novel organization of the dissimilatory sulfite reductase operon of Thermodesulforhabdus norvegica verified by RT-PCR. FEMS Microbiology Letters. 81-85.
  • Vis forfatter(e) (2000). Characterization of the desulforubidin operons from Desulfobacter vibrioformis and Desulfobulbus rhabdoformis. FEMS Microbiology Letters. 41-46.
  • Vis forfatter(e) (1999). Dissimilatory sulfite reductase from <I>Archaeoglobus profundus</I> and <I>Desulfotomaculum thermocisternum</I>: phylogenetic and structural implications from gene sequences. Extremophiles. 63-70.
  • Vis forfatter(e) (1998). Purification and characterization of a monomeric isocitrate dehydrogenase from the sulfate-reducing bacterium Desulfobacter vibrioformis and demonstration of the presence of a monomeric enzyme in other bacteria. FEMS Microbiology Letters. 469-474.
  • Vis forfatter(e) (1998). Petrotoga mobilis sp. nov., from a North Sea oil-production well. International Journal of Systematic Bacteriology. 1007-1013.
  • Vis forfatter(e) (1998). Petrotoga mobilis sp. nov., from a North Sea oil-production well. International Journal of Systematic Bacteriology. 1007-1014.
  • Vis forfatter(e) (1998). Corrigendum to `Purification and characterization of a monomeric isocitrate dehydrogenase from the sulfate-reducing bacterium Desulfobacter vibrioformis and demonstration of the presence of a monomeric enzyme in other bacteria': [FEMS Microbiol. Lett. 160 (1998) 75–79]. FEMS Microbiology Letters.
  • Vis forfatter(e) (1998). Characterization and sequence comparison of temperature-regulated chaperonins from the hyperthermophilic archaeon <I>Archaeoglobus fulgidus</I>. Gene. 431-438.
  • Vis forfatter(e) (1997). Purification and properties of an extremely thermostable NADP-specific glutamate dehydrogenase from Archaeoglobus fulgidus. Archives of Microbiology. 536-539.
  • Vis forfatter(e) (1997). Properties and primary structure of a thermostable L-malate dehydrogenase from Archaeoglobus fulgidus. Archives of Microbiology. 59-67.
  • Vis forfatter(e) (1997). Biochemical and phylogenetic characterization of isocitrate dehydrogenase from a hyperthermophilic archaeon, Archaeoglobus fulgidus. Archives of Microbiology. 412-420.
  • Vis forfatter(e) (1997). A highly efficient and stable system for site-specific integration of genes and plasmids into the phage φLC3 attachment site (attB) of the Lactococcus lactis chromosome. Gene. 129-136.
  • Vis forfatter(e) (1994). DNA glycosylase activities for thymine residues oxidized in the methyl group are functions of the AlkA enzyme in Escherichia coli. Journal of Biological Chemistry. 30489-30495.
  • Vis forfatter(e) (1994). Cloning, molecular characterization, and expression of the genes encoding the lytic functions of lactococcal bacteriophage phi-LC3: a dual lysis system og modular design. Canadian Journal of Microbiology (print). 658-665.
  • Vis forfatter(e) (1993). Transduction of a Plasmid Carrying the Cohesive End Region from Lactococcus lactis Bacteriophage ΦLC3. Applied and Environmental Microbiology. 1966-1968.
  • Vis forfatter(e) (1993). The cos region of lactococcal bacteriophage øLC3. DNA Sequence. 211-214.
  • Vis forfatter(e) (1993). Characterization of Genetic Elements Required for Site-Specific Integration of the Temperate Lactococcal Bacteriophage φLC3 and Construction of Integration-Negative φLC3 Mutants. Journal of Bacteriology. 1745-1755.
  • Vis forfatter(e) (1992). Escherichia coli K-12 and B contain functional bacteriophage P2 ogr genes. Journal of Bacteriology. 4094-4100.
  • Vis forfatter(e) (1991). Control of bacteriophage P2 gene expression: analysis of transcription of the ogr gene. Journal of Bacteriology. 6927-6934.
  • Vis forfatter(e) (1991). Characterization of Phi-LC3, a Lactococcus-lactis subsp cremoris Temperate Bacteriophage with Cohesive Single-Stranded-DNA Ends. Applied and Environmental Microbiology. 3206-3211.
  • Vis forfatter(e) (1990). Deletion analysis of a bacteriophage P2 late promoter. Gene. 9-15.
  • Vis forfatter(e) (1988). Genotypes and phenotypes of ß-lactamase producing strains of Neisseria gonorrhoeae from African countries. Genitourinary medicine. 226-232.
  • Vis forfatter(e) (1988). Directed mutagenesis of the bacteriophage P2 ogr gene defines an essential function. Gene. 327-335.
  • Vis forfatter(e) (1986). Coliphage P2 Late Control Gene ogr: DNA Sequence and Product Identification. Journal of Molecular Biology (JMB). 487-490.
  • Vis forfatter(e) (1985). Oligosaccharides obtained by partial hydrolysis of lipopolysaccharides from Leptotrichia-buccalis. Scandinavian Journal of Dental Research. 432-435.
  • Vis forfatter(e) (1985). Active Uptake of Glutamate in Vesicles of Halobacterium salinarium. Molecular membrane biology. 1-17.
Vitenskapelig foredrag
  • Vis forfatter(e) (2019). Complete genome sequence analysis of the thermoacidophilic verrucomicrobial methanotroph “Ca. Methylacidiphilum kamchatkense” strain Kam1 and comparison with its closest relatives.
  • Vis forfatter(e) (2019). Allopatric evolution of thermoacidophilic Verrucomicrobia methanotrophs?
  • Vis forfatter(e) (2019). Allopatric Evolution among Thermoacidophilic Verrucomicrobial Methanotrophs from Globally Distributed Terrestrial Hot Springs.
  • Vis forfatter(e) (2018). Verrucomicrobia Methanotrophs, a Novel Group of Extremophiles Adapted to Acidic Geothermal Environments.
  • Vis forfatter(e) (2018). Methane-oxidation in extreme environments; the complete genome sequence of the thermoacidophilic methanotrophic Verrucomicrobia, Methylacidiphilum kamkcatkense.
  • Vis forfatter(e) (2018). Methane oxidation by extremophilic verrucomicrobia adapted to acidic geothermal environments.
  • Vis forfatter(e) (2018). Methane oxidation by extremophilic Verrucomicrobia adapted to acidic geothermal environments.
  • Vis forfatter(e) (2017). Molecular and genomic analysis of thermoacidophilic methanotrophic verrucomicrobia .
  • Vis forfatter(e) (2017). Diversity of anaerobic thermophiles in North Sea oil reservoirs and their biotechnological potential.
  • Vis forfatter(e) (2017). Diversity and adaptations of extremophilic microorganisms.
  • Vis forfatter(e) (2017). Diversity and adaptation of extreme thermophiles.
  • Vis forfatter(e) (2016). Extremophilic methane-oxidizing Verrucomicrobia.
  • Vis forfatter(e) (2016). Diversity of thermophiles from North Sea oil fields.
  • Vis forfatter(e) (2016). Anaerobic thermophiles from deep and hot North Sea oil wells.
  • Vis forfatter(e) (2015). Methane oxidation by methanotrophic Verrucomicrobia.
  • Vis forfatter(e) (2014). Methane oxidation in extreme environments by thernmoacidophilic methanotrophic Verrucomicrobia .
  • Vis forfatter(e) (2014). Diversity and adaptations in Archaea, the third domain of life.
  • Vis forfatter(e) (2014). Armenian mines as a source of heavy metal accumulating metalophilic bacilli.
  • Vis forfatter(e) (2014). Antarctic cryptic microbial communities: Martian analogs for extremophilic life?
  • Vis forfatter(e) (2014). Adaptations to hot and cold: a case study of isocitrate dehydrogenase from extremophiles.
  • Vis forfatter(e) (2014). Adaptations to hot and cold: a case study of isocitrate dehydrogenase from extremophiles.
  • Vis forfatter(e) (2014). Adaptations to hot and cold: a case study of isocitrate dehydrogenase from extremophiles.
  • Vis forfatter(e) (2012). Diversity of Extremophiles.
  • Vis forfatter(e) (2012). Chemical strategies of extremophiles.
  • Vis forfatter(e) (2011). The GINS complex from Thermoplasma acidophilum may function as a homotetramer in DNA replication.
  • Vis forfatter(e) (2011). Life on the edge: Diversity and adaptations of extremophiles.
  • Vis forfatter(e) (2011). Extremophiles; adaptation and diversity.
  • Vis forfatter(e) (2011). Archaeal DNA replication.
  • Vis forfatter(e) (2010). Methane oxidation by a novel lineage of thermo-acidophilic methanotrophic Verrucomicrobia.
  • Vis forfatter(e) (2010). High microbial diversity in Antarctic Dry Valley soil microenvironments.
  • Vis forfatter(e) (2009). Thermophilic methane oxidizers belonging to the phylum Verrucomicrobia.
  • Vis forfatter(e) (2009). The oil reservoir ecosystem: what is happening and who is living down there?
  • Vis forfatter(e) (2009). The genome of Thermosipho africanus: lateral genetic connections to Firmicutes and Archaea.
  • Vis forfatter(e) (2009). Oil Well ecology: What’s happening and who is living down there?
  • Vis forfatter(e) (2009). Molecular basis of the stability of biomoleculees in hot environments.
  • Vis forfatter(e) (2009). Methane oxidation in extreme environments by a novel lineage of thermo-acidophilic methanotrophic Verrucomicrobia.
  • Vis forfatter(e) (2009). Genetics of thermophiles.
  • Vis forfatter(e) (2009). Functional analysis of the DNA replication initiation proteins, Cdc6 and MCM, from Thermoplasma acidophilum.
  • Vis forfatter(e) (2009). Extremophiles: basic concepts.
  • Vis forfatter(e) (2009). Evolutionary and genetic relatedness of Shigella-like bacteria in aquatic environment of Bangladesh.
  • Vis forfatter(e) (2008). Thermophilic biohydrogen production from palm oil mill effluent by mixed culture community with anaerobic sequencing batch reactor (ASBR).
  • Vis forfatter(e) (2008). Thermo-acidophilic methane oxidation by Verrucmicrobia extends our perception of biological methane oxidation.
  • Vis forfatter(e) (2008). Nitrile hydrolysing enzymes from extremophiles: their role in biocatalysis.
  • Vis forfatter(e) (2008). Functional analysis of the MCM and Cdc6 proteins from the thermoacidophilic euryarchaeon Thermoplasma acidophilum.
  • Vis forfatter(e) (2007). Synthesis of methyl ester/s by transesterification using lipase produced by a thermophile.
  • Vis forfatter(e) (2007). Microbial Diversity of Deep and Hot Petroleum Reservoirs.
  • Vis forfatter(e) (2007). Isocitrate dehydrogenase from (hyper)thermophiles; Molecular adaptations to high temperatures.
  • Vis forfatter(e) (2006). Microbial diversity in deep petroleum reservoirs.
  • Vis forfatter(e) (2006). Isocitrate dehydrogenase from (hyper)thermophiles; Molecular adaptations to high temperatures.
  • Vis forfatter(e) (2006). Exploring the microbiology of a deep water coral reef outside mid Norway.
  • Vis forfatter(e) (2006). Excision of 1-methyladenine and 3-methylcytosine from DNA by AfAlkA of Archaeoglobus fulgidus.
  • Vis forfatter(e) (2005). Sulphate-reducing bacteria and archaea.
  • Vis forfatter(e) (2004). The 2.9 Å resolution structure of malate dehydrogenase from the hyperthermophilic archaeon Archaeoglobus fulgidus: mechanisms of oligomerisation and thermal stabilisation.
  • Vis forfatter(e) (2004). Natural gas and biotechnology: Bioprospecting of methane-oxidizing bacteria.
  • Vis forfatter(e) (2004). Molecular adaptation of isocitrate dehydrogenase to high temperature.
  • Vis forfatter(e) (2004). Extremophiles: basic concepts.
  • Vis forfatter(e) (2003). X-ray structure analysis of isocitrate dehydrogenase from the hyperthermophile Aeropyrum pernix.
  • Vis forfatter(e) (2003). Treasures in the deep biosphere of North Sea oil-wells.
  • Vis forfatter(e) (2003). The genomic sequencing of Methylococcus capsulatus (Bath). Repair of alkylated DNA by oxidative demethylation.
  • Vis forfatter(e) (2003). Base excision repair of deaminated DNA-cytosine in Archaea: novel genes and mechanisms.
  • Vis forfatter(e) (2002). Thermostable proteins from hyperthermophilic microorganisms.
  • Vis forfatter(e) (2002). Thermophilic microbes from North Sea oil wells and their thermostable proteins.
  • Vis forfatter(e) (2002). Sequencing of the Methylococcus capsulatus genome.
  • Vis forfatter(e) (2002). Bakterielle næringskomponenter og metabolisme.
  • Vis forfatter(e) (2001). Members of the Thermotogales order isolated from hot North Sea oil field water.
  • Vis forfatter(e) (2001). Detection of sulfate reducers indigenous to North Sea oil wells using probes based on dissimilatory sulfite reductase gene sequences.
  • Vis forfatter(e) (2000). Thermosipho strain TBA5, a new thermophilic anaerobic bacterium, isolated from a North Sea oil field.
  • Vis forfatter(e) (2000). Thermosipho strain TBA5, a new thermophilic anaerobic bacterium, isolated from a North Sea oil field.
  • Vis forfatter(e) (2000). Isocitrate dehydrogenase from Aeropyrum pernix.
  • Vis forfatter(e) (2000). Isocitrate dehydrogenase from Aeropyrum pernix.
  • Vis forfatter(e) (2000). Expression and characterization of a recombinant L-malate dehydrogenase from Archaeoglobus fulgidus strain VC-16.
  • Vis forfatter(e) (2000). Expression and characterization of a recombinant L-malate dehydrogenase from Archaeoglobus fulgidus strain VC-16.
  • Vis forfatter(e) (2000). Anaerobic microbiology at University of Bergen.
  • Vis forfatter(e) (1999). Overview of the research on molecular biology and biochemistry of thermophiles in Bergen.
  • Vis forfatter(e) (1996). L-Malate dehydrogenase from the hyperthermophilic archaeon Archaeoglobus fulgidus.
  • Vis forfatter(e) (1996). Isolation and characterization of a novel Petrotoga sp. from a North Sea oil-producing well.
  • Vis forfatter(e) (1996). Expression of a thermostable isocitrate dehydrogenase from the hyperthermophilic Archaeoglobus fulgidus in Escherichia coli.
  • Vis forfatter(e) (1996). Expression of a thermostable isocitrate dehydrogenase from the hyperthermophilic Archaeoglobus fulgidus in Escherichia coli.
  • Vis forfatter(e) (1996). Archaeoglobus fulgidus isocitrate dehydrogenase: Purification, characterization, thermostability, genetic analysis and phylogeny.
  • Vis forfatter(e) (1996). Archaeoglobus fulgidus isocitrate dehydrogenase: Purification, characterization, thermostability genetic analysis and phylogeny.
  • Vis forfatter(e) (1996). A thermosome-encoding gene from the hyperthermophilic archaeon Archaeoglobus fulgidus.
  • Vis forfatter(e) (1996). A thermosome-encoding gene from the hyperthermophilic archaeon Archaeoglobus fulgidus.
  • Vis forfatter(e) (1996). A chaperonin-encoding gene from the hyperthermophilic archaeon Archaeoglobus fulgidus.
  • Vis forfatter(e) (1996). A chaperonin-encoding gene from the hyperthermophilic archaeon Archaeoglobus fulgidus.
Vitenskapelig antologi/Konferanseserie
  • Vis forfatter(e) (2018). Extremophiles in Eurasian Ecosystems: Ecology, Diversity, and Applications. Springer.
Sammendrag/abstract
  • Vis forfatter(e) (2015). Heavy metal resistance of Bacillus subtilis AG4 isolated from the Sotk Gold Mine in Armenia. The FEBS Journal.
  • Vis forfatter(e) (2013). The effect of combined heavy metal ions on copA, nikA and czcD genes expression of metal-resistant bacilli. The FEBS Journal. 231-231.
  • Vis forfatter(e) (1984). Invitro deletion analysis of a gene controlling late gene-expression of phage-P2. Hereditas. 271-271.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) (2021). Microbial Diversity of Terrestrial Geothermal Springs in Armenia and Nagorno-Karabakh: A Review. Microorganisms.
  • Vis forfatter(e) (2009). Environmental, genomic and taxonomic perspectives on methanotrophic Verrucomicrobia. Environmental Microbiology Reports. 293-306.

Se fullstendig oversikt over publikasjoner i CRIStin.

Current and previous projects, networks and funding for advanced equipment:

2013 - 2016: THERMOGENE - Novel thermostable enzymes for industrial biotechnology. ERA-NET Industrial Biotechnology project.

2011 - 2014: Cooperation with Armenia in microbiology of extreme environments. SIU/UD. 1.8 mill NOK.

2012: High-temperature biohydrogen production from waste. The Agricultural Research Development Agency, Thailand.

2011-2014: Biological methane oxidation by extremophilic methanotrophic Verrucomicrobia under  hot and acidic conditions; evolution of an ancient metabolic trait. NFR, 3.5 mill NOK.

2009-2012: Subsurface metagenomics, functional microbial diversity analysis and gene discovery in deep and hot petroleum reservoirs. VISTA. 2.5 mill NOK.

2010: Is methane oxidation an ancient metabolic trait? Centre for Geobiology, UiB. 180.000 NOK.

2007-2010: Metagenomics and gene discovery in Antarctic terrestrial habitats. The Research Council of Norway/The South-Africa programme. 898.000 NOK.

2009-2012: The Nordic Archaea Network. NordForsk.

2008: Comparative genomics of Archaeoglobus fulgidus strain 7324, a subsurface hyperthermophilic sulfate-reducing archaeon isolated from a hot North-Sea oil-well. University of Bergen/ Friforsk. 300.000 NOK.

2003-2011: Assessment of microbial pollution and diversity of Escherichia coli and Shigella in freshwater resources in Bangladesh. NUFU. 6.5 mill NOK.

2007-2010: Silicon Cell Model for the central carbohydrate metabolism of the archaeon Sulfolobus solfataricus under temperature variation. SysMo.

2004-2007: Metanspisende bakterier i havbunnsmiljø. VISTA. 1.5 millNOK.

2006-2007: Archaeoglobus fulgidus strain 7324: a unique archaeal sulfate reducer. The Research Council of Norway/ DAAD. 50.000 NOK.

2003-2007: Natural gas and biotechnology (NABI): bioprospecting of methane-oxidizing bacteria. The Norwegian Research Council/ Bioprospecting programme. 6.7 mill NOK.

2003-2007: Biological adaptations to extreme temperatures. The Norwegian Research Council/ Strategic university programme. 5.9 mill NOK.

2003-2007: Archaeal cell-cycle regulation. The Research Council of Norway. 1.7 mill NOK.

2006: Robot for automated picking of bacterial colonies (GenePix2xt). The Research Council of Norway. 1.7 mill NOK.

2002-2006: Biotechnology of intraterrestrial microorganisms. The Research Council of Norway/ Bioprospecting. 1.6 mill NOK.

2003-2005: Reduction of toxic metals and radionuclides by thermophilic prokaryotes. INTAS. 450.000 NOK.

2002-2004: Reduction of metals by thermophilic prokaryotes. NATO. 100.000 NOK.

1999-2003: Biology of Thermophiles. Nordic network. NorFA. 1.5 mill NOK.

1997-2001: VIRTUE: Bioaktive substanser. Wallenbergfondet. 475.000 NOK.

1997-1999: Termoresistens hos Archaeoglobus. The Research Council of Norway. 288.000 NOK.

1996-1999: Dissimilatorisk sulfitt reduktase fra oljebakterier. The Research Council of Norway. 1.2 mill NOK.

1995: Iso-sitronsyre dehydrogenase i Desulfobacter. The Research Council of Norway. 412.000 NOK.

1994: Generell drifts- og utstyrsbevilgning. The Research Council of Norway. 150.000 NOK.