2021.09.28: New paper published, Starch Rich Chlorella vulgaris: High-Throughput Screening and Up-Scale for Tailored Biomass Production, Giorgia Carnovale, Trude Wicklund and Svein Horn are co-authors. 


2021.08.14: New paper published, Fecal Excretion and Whole-Body Retention of Macro and Micro Minerals in Atlantic Salmon Fed Torula Yeast Grown on Sugar Kelp Hydrolysate, Svein Horn is co-author. 


2021.07.13: Editorial in Biomass and Bioenergy by Svein Horn, Special issue of the international conference “Building a sustainable biofuels industry”, held in Gothenburg November 2019


2021.06.17: New paper published, Ancient origin of fucosylated xyloglucan in charophycean green algae, Bjørge Westereng is co-author.


2021.06.01: New paper published,  Human Gut Faecalibacterium prausnitzii Deploys a Highly Efficient Conserved System To Cross-Feed on β-Mannan-Derived Oligosaccharides, Lars Lindstad, Shaun Leivers and Bjørge Westereng are co-authors.


2021.05.25: New paper published, Polysaccharide degradation by the Bacteroidetes—mechanisms and nomenclature, Bjørge Westereng is co-author.


2021.05.17: New paper published, Chemical Composition of Apples Cultivated in Norway, Trude Wicklund is co-athor. 


 2021.04.15: New paper published, Calcium Affects Polyphosphate and Lipid Accumulation in Mucoromycota Fungi, Shaun Leivers and Svein Horn are co-authors. 


2021.02.24: New paper published, Impact of down-stream processing on functional properties of yeasts and the implications on gut health of Atlantic salmon (Salmo salar), David Lapeña and Svein Horn are co-authors. 


2021.02.23: New paper published, Biochemical characterization of two cellobiose 2-epimerases and application for efficient production of lactulose and epilactose, Bjørge Westereng is co-author. 


2021.02.18: New paper published, In situ measurements of oxidation–reduction potential and hydrogen peroxide concentration as tools for revealing LPMO inactivation during enzymatic saccharification of cellulose, Svein Horn is co-author.


2021.01.04: New paper published, Insights into alginate degradation through the characterization of a thermophilic exolytic alginate lyase, Bjørn Pedersen and Svein Horn are co-authors.




2020.12.10: New paper published, The effect of mixing rate and gas recirculation on biological CO2 methanation in two-stage CSTR systems, Radziah Wahid and Svein Horn are co-authors.


2020.11.13: New paper published, Microbiota-directed fibre activates both targeted and secondary metabolic shifts in the distal gut, Leszek Michalak and Bjørge Westereng are co-authors.


2020.11.10: New paper published,  Protecting Thermally Hydrolyzed Biosolids from Pathogenic Bacterial Growth by Addition of Compost, Oda K. Svennevik, Bjørge Westereng and Svein Horn are co-authors.


2020.11.01: New paper published, Wood for food: Economic impacts of sustainable use of forest biomass for salmon feed production in Norway, Svein Horn is co-author.


2020.10.30: New paper published, Metal and Phosphate Ions Show Remarkable Influence on the Biomass Production and Lipid Accumulation in Oleaginous Mucor circinelloides, Svein Horn is co-author.


2020.08.25: New paper published, Enzymatic processing of lignocellulosic biomass: principles, recent advances and perspectives, Line Degn Hansen and Svein Horn are co-authors.  


 2020.08.06: New paper published, Synthesis of glycoconjugates utilizing the regioselectivity of a lytic polysaccharide monooxygenase, Bjørge Westereng and Shaun Leivers are co-authors.


2020.06.30: New paper published, Isolation and Characterization of Extracellular Vesicles Secreted In Vitro by Porcine Microbiota, Bjørge Westereng is co-author. 


2020.05.15: New paper published, Microbial dynamics in traditional and modern sour beer production, Anna Dysvik, Sabina Leanti La Rosa, Bjørge Westereng and Trude Wicklund are co-authors.


2020.05.12: New paper published, Fourier-transform infrared spectroscopy for monitoring proteolytic reactions using dry-films treated with trifluoroacetic acid, Kenneth Kristoffersen and Svein Horn are co-authors. 


2020.05.03: New paper published, Quantification of soluble recalcitrant compounds in commercial thermal hydrolysis digestates, Oda Svennevik, Bjørge Westereng and Svein Horn are co-authors. 


2020.04.25: New paper published, Demonstration‐scale enzymatic saccharification of sulfite‐pulped spruce with addition of hydrogen peroxide for LPMO activation, Thales Costa and Svein Horn are co-authors. Unique large scale study of enzymatic saccharification with our friends in the PEP-group, Borregaard and Lund University!


 2020.03.13: Due to the corona pandemic, all members of the BioRef group are from today having home office. A limited amount of lab work will continue. NMBU will lock it's doors and students will not have access. 


 2020.03.13: New paper published, A pair of esterases from a commensal gut bacterium remove acetylations from all positions on complex β-mannans, Leszek Michalak, Sabina Leanti La Rosa, Shaun Leivers, Lars Jordhøy Lindstad and Bjørge Westereng are co-authors.


2020.02.21: New paper published, Co-fermentation involving Saccharomyces cerevisiae and Lactobacillus species tolerant to brewing-related stress factors for controlled and rapid production of sour beer, Anna Dysvik and Bjørge Westereng are co-authors.


2020.02.03: New paper published, Production and characterization of yeasts grown on media composed of spruce-derived sugars and protein hydrolysates from chicken by-products, David Lapeña, Gergely Kosa, Line Degn Hansen and Svein Horn are co-authors. 


2020.01.15: New paper published, Using chitosan to understand chitinases and the role of processivity in the degradation of recalcitrant polysaccharides, Svein Horn is co-author.




2019.12.27: New paper published, Spruce sugars and poultry hydrolysate as growth medium in repeated fed-batch fermentation processes for production of yeast biomass, David Lapeña, Pernille Olsen, Gergely Kosa and Svein Horn are co-authors. 


2019.12.10: New paper published, Secondary lactic acid bacteria fermentation with wood-derived xylooligosaccharides as a tool to expedite sour beer production, Anna Dysvik, Trude Wicklund and Bjrøge Westereng are co-authors. 


2019.11.16: New paper published, The use of lytic polysaccharide monooxygenases in anaerobic digestion of lignocellulosic materials, Thales Costa and Svein Horn are co-authors. 


2019.11.13: New paper published, Effects of post anaerobic digestion thermal hydrolysis on dewaterability and moisture distribution in digestates, Oda K. Svennevik, Bjørge Westereng and Svein Horn are co-authors.


2019.07.15: New paper published, Pre‐fermentation with lactic acid bacteria in sour beer production, Anna Dysvik, Bjørge Westereng and Trude Wicklund are co-authors. 


2019.06.22: New paper published, FTIR-based hierarchical modeling for prediction of average molecular weights of protein hydrolysates, Kenneth Aase Kristoffersen and Svein Horn are co-authors. 



2019.05.27: Kick-off meeting in Trondheim for the national research project "The Norwegian Seaweed Biorefinery Platform" lead by NTNU. BioRef is a partner in the project which will develop new processes and products for valorization of Norwegian macroalgae.

The seaweed biorefinery team: NTNU, SINTEF, Møreforskning, NOFIMA and NMBU.

The seaweed biorefinery team: NTNU, SINTEF, Møreforskning, NOFIMA and NMBU.



2019.05.24: PhD defense. Oda Kjørlaug Svennevik defended her thesis "Dewatering of digested biomass". Oponents were Associate Professor, Dr. Sara Isabel Péres Elvira (University of Valladolid, Spain) and Professor Stein W. Østerhus, NTNU, Norway. Congratulations! 


Oda with evaluation committee and supervisors.

Oda with evaluation committee and supervisors.

Ågot Aakra


 2019.04.30: New paper published, Effects of H2:CO2 ratio and H2 supply fluctuation on methane content and microbial community composition during in-situ biological biogas upgrading, Radziah Wahid, Daniel Girma Mulat and Svein Horn are co-authors. 


2019.04.23: New paper published, CNash - A novel parameter predicting cake solids of dewatered digestates, Oda Svennevik, Bjørge Westereng and Svein Horn are co-authors. 


2019.04.22: New paper published, Lytic polysaccharide monooxygenases (LPMOs) in enzymatic processing of lignocellulosic biomass, Svein Horn is co-author.


2019.04.02: New paper published, Comparison of pyrolyzed lignin before and after milled wood lignin purification of Norway spruce with increasing steam explosion, Dayanand Kalyani is co-author. 


2019.02.22: BEHIND THE PAPER: Firmicutes also have PULs, Uncovering the mechanisms on how a prominent human gut Firmicute munches on β-mannan.


The mannan munching bunch from NMBU; Sabina Leanti La Rosa, Magnus Ø. Arntzen, Phil Pope, Leszek Michalak, and Bjørge Westereng.

The mannan munching bunch from NMBU; Sabina Leanti La Rosa, Magnus Ø. Arntzen, Phil Pope, Leszek Michalak, and Bjørge Westereng.



2019.02.20: New paper published, The human gut Firmicute Roseburia intestinalis is a primary degrader of dietary β-mannans, Sabina Leanti La Rosa,  Leszek Michalak and Bjørge Westereng are co-authors.


2019.02.20: New paper published, Production, characterization and application of an alginate lyase, AMOR_PL7A, from hot vents in the Arctic Mid-Ocean Ridge, Kiira Vuoristo, Maren Oftebro, Line Degn Hansen and Svein Horn are co-authors.


2019.01.23: New paper published, Wood-Derived Dietary Fibers Promote Beneficial Human Gut Microbiota, Sabina Leanti La Rosa, Fanny Buffetto and Bjørge Westereng are co-authors. 


2019.01.21: Bjørge Westereng on Norwegian radio (Studio 2) talking about using wood hemicelluloses in pig feed: Brunråtesoppen


2019.01.17: Newspaper article co-authored by Bjørge Westereng about the projects Woodprebiotics and Biomim: Slik kan gran bli gris


2019.01.11: New paper published, Discovery of a thermostable GH10 xylanase with broad substrate specificity from the Arctic Mid-Ocean Ridge vent system, Bjørge Westereng is co-author.






2018.12.13: PhD defense. Leszek Michalak defended his thesis "Exploring acetylated galactoglucomannan as a source of prebiotics". Oponents were Professor Emma Master (University of Toronto/Aalto university) and Associate Professor Francisco Vilaplana (Royal Institute of Technology (KTH), Sweden). Congratulations!


2018.11.09: New paper published: Effects of pH on steam explosion extraction of acetylated galactoglucomannan from Norway spruce, Leszek Michalak and Bjørge Westereng are co-authors. 


2018.08.24: New paper published: A comparative assessment of enzymatic hydrolysis for valorization of different protein-rich industrial by-products, Kiira Vuoristo, Gergely Kosa and Svein Horn are co-authors.


2018.07.24: New paper published: The impact of hydrogen peroxide supply on LPMO activity and overall saccharification efficiency of a commercial cellulase cocktail, Gerdt Müller and Svein Horn are co-authors.


2018.07.13: New paper published: Microbial protein produced from brown seaweed and spruce wood as a feed ingredient,  Sandeep Sharma, Line Degn Hansen, Kiira Vuoristo and Svein Horn are co-author.


2018.05.04New paper published: Characterization of Pseudo-Lignin from Steam Exploded Birch, Svein Horn is co-author.


2018.04.16: New paper published: Structural and molecular dynamics studies of a C1‐oxidizing lytic polysaccharide monooxygenase from Heterobasidion irregulare reveal amino acids important for substrate recognition, Bjørge Westereng is co-author.


2018.04.11New paper published: Assessment of the scalability of a microtiter plate system for screening of oleaginous microorganisms, Gergely Kosa, Kiira Vuoristo and Svein Jarle Horn are co-authors.


2018.04.05New paper published: Use of high metal-containing biogas digestates in cereal production-Mobility of chromium and aluminium, Svein Horn is a co-author.


2018.04.02New paper published: Differential bacterial capture and transport preferences facilitate co-growth on dietary xylan in the human gut, Bjørge Westereng is a co-author.


2018.03.29New paper published: Seasonal and depth variations in the chemical composition of cultivated Saccharina latissima, Sandeep Sharma and Svein Horn are co-authors.


2018.03.09New paper published: Microbial biogas production from hydrolysis lignin: insight into lignin structural changes, Daniel Mulat and Svein Jarle horn are co-authors.


2018.02.27New paper published: Process performance and population dynamics of ammonium tolerant microorganisms during co-digestion of fish waste and manure, Svein Jarle Horn is a co-author.



2018.01.29New paper published: Enhancing methane production from lignocellulosic biomass by combined steam-explosion pretreatment and bioaugmentation with cellulolytic bacterium Caldicellulosiruptor bescii,  Daniel Mulat, Dayanand Kalyani and Svein Jarle Horn are co-authors.


2018.01.04New paper published: Post-anaerobic digestion thermal hydrolysis of sewage sludge and food waste: Effect on methane yields, dewaterability and solids reduction,  Kine Svensson, Oda Kjørlaug and Svein Jarle Horn are co-authors.







2017.12.15New paper published: Biogas production from food waste via co-digestion and digestion- effects on performance and microbial ecology, Mirzaman Zamanzadeh, Live Heldal Hagen and Svein Jarle Horn are co-authors.


2017.12.14New paper published: The effect of temperature and retention time on methane production and microbial community composition in staged anaerobic digesters fed with food waste, John Christian Gaby, Mirzaman Zamanzadeh and Svein Jarle Horn are authors.


2017.09.27New paper published: Synergistic effects of anaerobic co-digestion of whey, manure and fish ensilage, Daniel Mulat and Svein Horn are co-authors. 


2017.09.08New paper published: Microbial community characterization during anaerobic digestion of Scenedesmus spp. under mesophilic and thermophilic conditions, John Christian Gaby and Svein Horn are co-authors. 


2017.08.28New paper published: Oxidative cleavage of polysaccharides by monocopper enzymes depends on H2O2, Gerdt Müller and Svein Horn are co-authors. In this landmark work, led by Bastien Bissaro in the PEP group, we show that LPMOs do not use oxygen but rather hydrogen peroxide in their catalytic reaction to degrade cellulose or other polysaccharides. 


2017.08.09New paper published: The role of alginate lyases in the enzymatic saccharification of brown macroalgae, Macrocystis pyrifera and Saccharina latissima, Sandeep Sharma and Svein Horn are co-authors.


2017.08.08New paper published: The effect of flash pyrolysis temperature on compositional variability of pyrolyzates from birch lignin, Svein Horn is co-author.


2017.07.11New paper published: Enzymatic degradation of sulfite-pulped softwoods and the role of LPMOs,   Gerdt Müller and Svein Horn are co-authors.


2017.06.09New paper published: Microtiter plate cultivation of oleaginous fungi and monitoring of lipogenesis by high-throughput FTIR spectroscopy, Kiira Vuoristo and Svein Horn are co-authors.


2017.05.31New paper published: Valorisation of woody biomass by combining enzymatic saccharification and pyrolysis, by Dayanand Kalyani.


2017.05.11New paper published: Structure and function of a broad-specificity chitin deacetylase from Aspergillus nidulans FGSC A4, Bjørge Westereng and Svein Horn are a co-authors.


2017.04.04Popular media article in Dagbladet called Derfor forsker vi for morgendagens biodrivstoff (in Norwegian).


2017.03.30: PhD defense. Gerdt Müller  defended his thesis "Activation of LPMOs in cellulase cocktails for efficient biochemical processing of lignocellulosic biomass ". Oponents were Professor Claus Felby (University of Copenhagen, Denmark) and Professor Kristiina Kruus (VTT, Finland). Congratulations!


2017.03.22Popular media article in Aftenposten called Nærmere en løsning for biodrivstoff (in Norwegian).


2017.03.16New paper published: Comparison of approaches for organic matter determination in relation to expression of bio-methane potentials, Svein Horn is a co-author.


2017.02.24New paper published:Biofuel production from birch wood by combining high solid loading simultaneous saccharification and fermentation and anaerobic digestion, by Dayanand Kalyani.


2017.02.23: Popular media article in Dagens Næringsliv called Kampen om det grønne karbonet (in Norwegian).


2017.02.17New paper published: Development of minimal enzyme cocktails for hydrolysis of sulfite-pulped lignocellulosic biomass, Svein Horn is a co-author.


2017.02.10: TV interview with Svein Horn by the Regional News (Østlandssendingen). With Line Degn Hansen and Kiira Vouristo doing research in the background (In Norwegian). 


2017.02.09: Kick-off meeting for the the national Bio4Fuels project where BTB participates. Some notes from the meting here and here (in Norwegian).






2016.11.04New paper published: Quantitative metaproteomics highlight the metabolic contributions of uncultured phylotypes in a thermophilic anaerobic digester, by Live Hagen.


2016.10.20: Line Degn Hansen from Denmark has started as a fermentation engineer in the BTB group. Welcome!


2016.10.01Thales de Freitas Costa from Brazil started as a post doc in the BTB group, and will work on the project "Biocatalytic utilization of lignin for increased biogas production in a biorefinery setting (BioLiGas)". Welcome!


2016.09.13: New paper published: Novel Syntrophic Populations Dominate an Ammonia-Tolerant Methanogenic Microbiome,  where Live Hagen and Svein Horn are co-authors. 



2016.09.09: New paper published: LPMOs in cellulase mixtures affect fermentation strategies for lactic acid production from lignocellulosic biomass, by Gerdt Müller. 


2016.08.19: PhD degree. Live Heldal Hagen was awarded her PhD degree after defending her thesis "Microbial communities in biogas reactors and their link to stability and performance". Oponents were Professor Jeppe Lund (Aalborg University, Denmark) and Professor Mette Marianne Svenning (University of Tromsø, Norway). Congratulations!



2016.07.18: New paper published: Comparison of fungal carbohydrate esterases of family CE16 on artificial and natural substrates, where Bjørge Westereng is a co-author.


Nøkkelpersoner fra venstre: Kai Toven  PFI , Bjørn Håvard Evjen NIBIO , Edd Blekkan NTNU , Petter Røkke Sintef, Svein Jarle Horn NMBU, Landbruks- og matminister Jon Georg Dale og rektor ved NMBU Mari Sundli Tveit

2016.05.26 Minister of Agriculture and Food, Jon Georg Dale, was again visiting the biorefinery laboratory. This time to announce that NMBU has got a new Center for Environment-friendly Energy Research, a so called FME (Forskningssenter for miljøvennlig Energy) Center. The Center is named Norwegian Centre for Sustainable Bio-based Fuels and Energy, and focus on production of 2nd generation biofuels. This is a huge Centre with around 50 partners and it will run for 8 years. The BTB group will particpate in the Centre. More information here (Norwegian)

Kiira Vuoristo, Minister and Aniko Varnai

Kiira Vuoristo, Minister and Aniko Varnai

Svein Horn

New paper published: Anaerobic digestion of food waste - effect of recirculation and temperature on performance and microbiology, by Mirzaman Zamanzadeh.


2016.03.25: New paper published: Simultaneous analysis of C1 and C4 oxidized oligosaccharides, the products of lytic polysaccharide monooxygenases acting on cellulose, by Bjørge Westereng.


2016.02.23: New paper published: Enzymatic saccharification of brown seaweed for production of fermentable sugars, by Sandeep Sharma.




2016.02.23:  Minister of Agriculture and Food, Jon Georg Dale, was visiting the biorefinery laboratory. Bjørge Westereng (laboratory leader) had a presentation explaning how we use this laboatory to process wood to different products such as single cell protein and prebiotics.


Bjørge Westereng, Mari Sundli Tveit, Haldor Hektoen and Minister Jon Georg Dale.

Siri Eikrem Skotland



2016.01.01: The BTB group was established when around 10 people were splited from the PEP group


Published 17. February 2016 - 10:37 - Updated 28. September 2021 - 11:44