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English
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2020
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1. |
Mærk, Mali; Jakobsen, Øyvind Mejdell; Sletta, Håvard; Klinkenberg, Geir; Tøndervik, Anne; Ellingsen, Trond Erling; Valla, Svein; Ertesvåg, Helga. Identification of Regulatory Genes and Metabolic Processes Important for Alginate Biosynthesis in Azotobacter vinelandii by Screening of a Transposon Insertion Mutant Library. Frontiers in Bioengineering and Biotechnology 2020 ;Volum 7.(475) s. - NTNU SINTEF
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2019
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2. |
Brautaset, Trygve; Valla, Svein. Special Issue: Recombinant Protein Expression in Microorganisms. Microorganisms 2019 ;Volum 355.(7) NTNU
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2018
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3. |
Moreno, Soledad; Ertesvåg, Helga; Valla, Svein; Nunez, Cinthia; Espín, Guadalupe; Cocotl-Yanez, Miguel. RpoS controls the expression and the transport of the AlgE1-7 epimerases in Azotobacter vinelandii. FEMS Microbiology Letters 2018 ;Volum 365.(19) s. 1-6 NTNU
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2017
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4. |
Ertesvåg, Helga; Sletta, Håvard; Senneset, Mona; Sun, Yi-Qian; Klinkenberg, Geir; Konradsen, Therese Aursand; Ellingsen, Trond Erling; Valla, Svein. Identification of genes affecting alginate biosynthesis in Pseudomonas fluorescens by screening a transposon insertion library. BMC Genomics 2017 ;Volum 18:11. s. 1-13 NTNU SINTEF
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5. |
Gawin, Agnieszka; Valla, Svein; Brautaset, Trygve. The XylS/Pm regulator/promoter system and its use in fundamental studies of bacterial gene expression, recombinant protein production and metabolic engineering. Microbial Biotechnology 2017 ;Volum 10.(4) s. 702-718 NTNU
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6. |
Maleki, Susan; Mærk, Mali; Hrudikova, Radka; Valla, Svein; Ertesvåg, Helga. New insights into Pseudomonas fluorescens alginate biosynthesis relevant for the establishment of an efficient production process for microbial alginates. New Biotechnology 2017 ;Volum 37. s. 2-8 NTNU SINTEF
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2016
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7. |
Lewin, Anna; Strand, Trine Aakvik; Haugen, Tone; Klinkenberg, Geir; Kotlar, Hans Kristian; Valla, Svein; Drabløs, Finn Sverre; Wentzel, Alexander. Discovery and Characterization of a Thermostable Esterase from an Oil Reservoir Metagenome. Advances in Enzyme Research 2016 ;Volum 4.(2) s. 68-86 NTNU SINTEF
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8. |
Maleki, Susan; Almaas, Eivind; Zotchev, Sergey; Valla, Svein; Ertesvåg, Helga. Alginate Biosynthesis Factories in Pseudomonas fluorescens : Localization and Correlation with Alginate Production Level. Applied and Environmental Microbiology 2016 ;Volum 82.(4) s. 1227-1236 NTNU
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2015
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9. |
Dragset, Marte Singsås; Barczak, Amy K.; Kannan, Nisha; Mærk, Mali; Flo, Trude Helen; Valla, Svein; Rubin, Eric J.; Steigedal, Magnus. Benzoic Acid-Inducible Gene Expression in Mycobacteria. PLOS ONE 2015 ;Volum 10.(9) NTNU
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10. |
Lewin, Anna; Johansen, Jostein; Markussen, Sidsel; Josefsen, Kjell Domaas; Jasinovica, Svetlana; Wu, Cheng-Cang; Kotlar, Hans Kristian; Wentzel, Alexander; Drabløs, Finn Sverre; Valla, Svein. Isolation and genome sequencing of two Archaea species from a Norwegian deep sub-surface oil reservoir.. ASM2015; 2015-05-30 - 2015-06-02 NTNU SINTEF UiO
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11. |
Maleki, Susan; Mærk, Mali; Hrudikova, Radka; Valla, Svein; Ertesvåg, Helga. In Pseudomonas fluorescens alginate production levels are determined by the available fructose 6-phosphate. 8th European Symposium on Biopolymers; 2015-09-15 - 2015-09-18 NTNU
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12. |
Maleki, Susan; Mærk, Mali; Valla, Svein; Ertesvåg, Helga. Mutational analyses of glucose dehydrogenase and glucose-6-phosphate dehydrogenase genes in Pseudomonas fluorescens reveal their effects on growth and alginate production. Applied and Environmental Microbiology 2015 ;Volum 81.(10) s. 3349-3356 NTNU
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2014
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13. |
Aakvik, Trine; Lale, Rahmi; Degnes, Kristin Fløgstad; Lando, Malin; Valla, Svein. A new and improved host-independent plasmid system for RK2-based conjugal transfer. PLOS ONE 2014 ;Volum 9.(3:e90372) s. - SINTEF NTNU
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14. |
Buchinger, Edith; Knudsen, Daniel H.; Behrens, Manja A.; Pedersen, Jan Skov; Aarstad, Olav Andreas; Tøndervik, Anne; Valla, Svein; Skjåk-Bræk, Gudmund; Wimmer, Reinhard; Aachmann, Finn Lillelund. Structural and functional characterization of the R-modules in alginate C-5 epimerases AlgE4 and AlgE6 from Azotobacter vinelandii. Journal of Biological Chemistry 2014 ;Volum 289.(45) s. 31382-31396 SINTEF NTNU
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15. |
Dragset, Marte Singsås; Steigedal, Magnus; Flo, Trude Helen; Valla, Svein. Identification of Genes Involved in Mycobacterial Iron Uptake. NBS Contact Meeting, minisymposium; 2014-01-23 - 2014-01-23 NTNU
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16. |
Lewin, Anna; Johansen, Jostein; Wentzel, Alexander; Kotlar, Hans Kristian; Drabløs, Finn; Valla, Svein. The microbial communities in two apparently physically separated deep subsurface oil reservoirs show extensive DNA sequence similarities. Environmental Microbiology 2014 ;Volum 16.(2) s. 545-558 SINTEF NTNU
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17. |
Mærk, Mali; Johansen, Jostein; Ertesvåg, Helga; Drabløs, Finn; Valla, Svein. Safety in numbers: multiple occurrences of highly similar homologs among Azotobacter vinelandii carbohydrate metabolism proteins probably confer adaptive benefits. BMC Genomics 2014 ;Volum 15.(192) s. - NTNU
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18. |
Valla, Svein; Lale, Rahmi. DNA Cloning and Assembly Methods. Humana Press 2014 (ISBN 978-1-62703-763-1) 303 s. Methods in molecular biology(1116) NTNU
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2013
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19. |
Balzer, Simone; Kucharova, Veronika; Megerle, Judith; Lale, Rahmi; Brautaset, Trygve; Valla, Svein. A comparative analysis of the properties of regulated promoter systems commonly used for recombinant gene expression in Escherichia coli. Microbial Cell Factories 2013 ;Volum 12.(26) s. 1-14 SINTEF NTNU
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20. |
Berg, Laila; Aakvik, Trine; Valla, Svein; Brautaset, Trygve. Combinatorial Mutagenesis and Selection to Understand and Improve Yeast Promoters. Biomedical Research 2013 ;Volum 2013:926985. s. - NTNU SINTEF
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21. |
Borgos, Sven Even F.; Bordel, Sergio; Sletta, Håvard; Ertesvåg, Helga; Jakobsen, Øyvind Mejdell; Bruheim, Per; Ellingsen, Trond Erling; Nielsen, Jens; Valla, Svein. Mapping global effects of the anti-sigma factor MucA in Pseudomonas fluorescens SBW25 through genome-scale metabolic modeling. BMC Systems Biology 2013 ;Volum 7.(19) s. 1-15 SINTEF NTNU
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22. |
Dragset, Marte Singsås; Steigedal, Magnus; Valla, Svein; Flo, Trude Helen. Riding the Ferrous Wheel: Identification and Study of Genes Involved in Mycobacterial Iron Acquisition. Department seminar at the Department of Biotechnology; 2013-11-13 - 2013-11-13 NTNU
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23. |
Engel, Katja; Ashby, Deborah; Brady, Sean F.; Cowan, Don A.; Doemer, John; Edwards, Elizabeth A.; Fiebig, Klaus; Martens, Erik C.; McCormac, Dennis; Mead, David A.; Miyazaki, Kentaro; Moreno-Hagelsieb, Gabriel; O'Gara, Fergal; Reid, Alexandra; Rose, David R.; Simonet, Pascal; Sjöling, Sara; Smalla, Kornelia; Streit, Wolfgang R.; Tedman-Jones, Jennifer; Valla, Svein; Wellington, Elizabeth M.H.; Wu, Cheng-Cang; Liles, Mark R.; Neufeld, Joseph D.; Sessitsch, Angela; Charles, Trevor C.. Meeting Report: 1st International Functional Metagenomics Workshop May 7-8, 2012, St. Jacobs, Ontario, Canada. Standards in Genomic Sciences 2013 ;Volum 8.(1) s. 106-111 NTNU
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24. |
Heggeset, Tonje Marita Bjerkan; Kucharova, Veronika; Nærdal, Ingemar; Valla, Svein; Sletta, Håvard; Ellingsen, Trond Erling; Brautaset, Trygve. Combinatorial Mutagenesis and Selection of Improved Signal Sequences and Their Application for High-Level Production of Translocated Heterologous Proteins in Escherichia coli. Applied and Environmental Microbiology 2013 ;Volum 79.(2) s. 559-568 SINTEF NTNU
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25. |
Kucharova, Veronika; Aakvik, Trine; Almaas, Eivind; Naas, Adrian Ertsås; Brautaset, Trygve; Valla, Svein. Non-Invasive Analysis of Recombinant mRNA Stability in Escherichia coli by a Combination of Transcriptional Inducer Wash-Out and qRT-PCR. PLOS ONE 2013 ;Volum 8.(6) s. - NTNU SINTEF
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26. |
Kucharova, Veronika; Skancke, Jørgen; Brautaset, Trygve; Valla, Svein. Design and optimization of short DNA sequences that can be used as 5' fusion partners for high-level expression of heterologous genes in Escherichia coli. Applied and Environmental Microbiology 2013 ;Volum 79.(21) s. 6655-6664 SINTEF NTNU
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27. |
Lale, Rahmi; Ünver, Deniz; Ertesvåg, Helga; Moghadam, Morteza Shojaei; Valla, Svein. Cold-adapted (psychrophilic) marine bacteria as expression hosts. Bioprosp_13; 2013-02-20 - 2013-02-22 NTNU
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28. |
Lewin, Anna; Johansen, Jostein; Aakvik Strand, Trine; Klinkenberg, Geir; Kotlar, Hans Kristian; Drabløs, Finn; Valla, Svein; Wentzel, Alexander. Oil reservoir metagenomes for use in bioprospecting using functional screening and DNA sequence-based data mining. 4th International Symposium on Applied Microbiology and Molecular Biology in Oil Systems (ISMOS-4); 2013-08-25 - 2013-08-28 NTNU SINTEF
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29. |
Lewin, Anna; Johansen, Jostein; Kotlar, Hans Kristian; Drabløs, Finn; Valla, Svein; Wentzel, Alexander. Oil reservoir metagenomics for use in microbial community characterization and bioprospecting. 99th annual meeting of the Southeastern Branch of the American Society for Microbiology; 2013-11-07 - 2013-11-09 NTNU SINTEF
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30. |
Lewin, Anna; Johansen, Jostein; Wentzel, Alexander; Kotlar, Hans Kristian; Drabløs, Finn; Valla, Svein. Comparative metagenomics of deeply buried oil reservoirs suggests very slow rates of evolution in the deep biosphere. 4th International Symposium on Applied Microbiology and Molecular Biology in Oil Systems (ISMOS-4); 2013-08-25 - 2013-08-28 NTNU SINTEF
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31. |
Lewin, Anna; Wentzel, Alexander; Johansen, Jostein; Drabløs, Finn; Kotlar, Hans Kristian; Valla, Svein. Bioprospecting using oil reservoir material - different approaches for search of new enzymes. Bioprosp 13; 2013-02-20 - 2013-02-22 NTNU SINTEF
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32. |
Lewin, Anna; Wentzel, Alexander; Valla, Svein. Metagenomics of microbial life in extreme temperature environments. Current Opinion in Biotechnology 2013 ;Volum 24.(3) s. 516-525 NTNU SINTEF
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33. |
Lien, Stina Katrine; Sletta, Håvard; Ellingsen, Trond Erling; Valla, Svein; Correa, Elon; Goodacre, Royston; Vernstad, Kai; Borgos, Sven Even F.; Bruheim, Per. Investigating alginate production and carbon utilization in Pseudomonas fluorescens SBW25 using mass spectrometry-based metabolic profiling. Metabolomics 2013 ;Volum 9.(2) s. 403-417 SINTEF NTNU
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34. |
Tøndervik, Anne; Aachmann, Finn Lillelund; Svanem, Britt Iren Glærum; Klinkenberg, Geir; Ellingsen, Trond Erling; Aarstad, Olav Andreas; Ertesvåg, Helga; Valla, Svein; Skjåk-Bræk, Gudmund; Sletta, Håvard. Directed evolution, high throughput sceening and production of alginate-modifying enzymes with new and targeted properties. 3rd EPNOE International Polysaccharide Conference; 2013-10-21 - 2013-10-24 NTNU SINTEF
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35. |
Tøndervik, Anne; Klinkenberg, Geir; Aachmann, Finn Lillelund; Svanem, Britt Iren Glærum; Ertesvåg, Helga; Ellingsen, Trond Erling; Valla, Svein; Skjåk-Bræk, Gudmund; Sletta, Håvard. Mannuronan C-5 Epimerases Suited for Tailoring of Specific Alginate Structures Obtained by High-Throughput Screening of an Epimerase Mutant Library. Biomacromolecules 2013 ;Volum 14.(8) s. 2657-2666 NTNU SINTEF
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36. |
Wentzel, Alexander; Lewin, Anna; Cervantes, Francisco Javier; Valla, Svein; Kotlar, Hans Kristian. Deep sub-surface oil reservoirs as poly-extreme habitats for microbial life. A current review. Cellular Origin, Life in Extreme Habitats and Astrobiology 2013 ;Volum 27. s. 439-466 SINTEF NTNU
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37. |
Wentzel, Alexander; Lewin, Anna; Johansen, Jostein; Aakvik Strand, Trine; Klinkenberg, Geir; Kotlar, Hans Kristian; Drabløs, Finn; Valla, Svein. Comparative Metagenomics and Bioprospecting of Oil Reservoirs. Second International Conference on Functional Metagenomics.; 2013-06-02 - 2013-06-05 NTNU SINTEF
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38. |
Wentzel, Alexander; Lewin, Anna; Johansen, Jostein; Aakvik Strand, Trine; Klinkenberg, Geir; Kotlar, Hans Kristian; Drabløs, Finn; Valla, Svein. Metagenome analysis of oil reservoir microbial communities and its potential in bioprospecting for new industrial biocatalysts. 3rd Annual World Congress of Marine Biotechnology; 2013-09-23 - 2013-09-25 NTNU SINTEF
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39. |
Zwick, Friederike; Lale, Rahmi; Valla, Svein. Combinatorial engineering for heterologous gene expression. Bioengineered Bugs 2013 ;Volum 4.(6) s. 1-4 NTNU
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40. |
Zwick, Friederike; Lale, Rahmi; Valla, Svein. Regulation of the expression level of transcription factor XylS reveals new functional insight into its induction mechanism at the Pm promoter. BMC Microbiology 2013 ;Volum 13. s. - NTNU
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2012
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41. |
Almaas, Eivind; Bruheim, Per; Lale, Rahmi; Valla, Svein. Dynamics and robustness of metabolic networks: A systems biology review of Escherichia coli metabolism. I: Systems Microbiology - Current Topics and Applications. Caister Academic Press 2012 ISBN 978-1-908230-02-7. s. 17-45 NTNU
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42. |
Balzer, Simone; Megerle, Judith; Tøndervik, Anne; Lale, Rahmi; Brautaset, Trygve; Valla, Svein. The performance of the XylS/Pm expression cassette in relation to the most commonly used systems for bacterial recombinant expression. Eighth Annual PEGS- 2012; 2012-04-30 - 2012-05-04 NTNU SINTEF
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43. |
Berg, Laila; Kucharova, Veronika; Bakke, Ingrid; Valla, Svein; Brautaset, Trygve. Exploring the 5 '-UTR DNA region as a target for optimizing recombinant gene expression from the strong and inducible Pm promoter in Escherichia coli. Journal of Biotechnology 2012 ;Volum 158.(4) s. 224-230 SINTEF NTNU
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44. |
Correa, Elon; Sletta, Håvard; Ellis, David I.; Hoel, Sunniva; Ertesvåg, Helga; Ellingsen, Trond Erling; Valla, Svein; Goodacre, Royston. Rapid reagentless quantification of alginate biosynthesis in Pseudomonas fluorescens bacteria mutants using FT-IR spectroscopy coupled to multivariate partial least squares regression. Analytical and Bioanalytical Chemistry 2012 ;Volum 403.(9) s. 2591-2599 SINTEF NTNU
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45. |
Maleki, Susan; Mærk, Mali; Valla, Svein; Ertesvåg, Helga. The effect of the Gcd, zwf-1 and zwf-2 genes on alginate biosynthesis and growth of Pseudomonas fluorescens. The FEBS Journal 2012 ;Volum 279.(Supp. 1) s. 343-343 NTNU
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46. |
Tøndervik, Anne; Bruheim, Per; Berg, Laila; Ellingsen, Trond Erling; Kotlar, Hans Kristian; Valla, Svein; Throne-Holst, Mimmi. Ralstonia sp U2 naphthalene dioxygenase and Comamonas sp JS765 nitrobenzene dioxygenase show differences in activity towards methylated naphthalenes. Journal of Bioscience and Bioengineering 2012 ;Volum 113.(2) s. 173-178 NTNU SINTEF
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47. |
Valla, Svein. Kan Ensomme George vekkes fra de døde?. Dagbladet [Avis] 2012-07-01 NTNU
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48. |
Valla, Svein. Kraftfullt genteknologisk verktøy. NRK Vitenskap-og-teknologi [Internett] 2012-12-20 NTNU
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49. |
Zwick, Friederike; Lale, Rahmi; Valla, Svein. Strong stimulation of recombinant protein production in Escherichia coli by combining stimulatory control elements in an expression cassette. Microbial Cell Factories 2012 ;Volum 11.(133) NTNU
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2011
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50. |
Aakvik, Trine; Lale, Rahmi; Liles, Mark R.; Valla, Svein. Metagenomic Libraries for Functional Screening. I: Handbook of Molecular Microbial Ecology I - Metagenomics and Complementary Approaches. Wiley-Blackwell 2011 ISBN 978-0-470-64479-9. s. 171-181 NTNU
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