Faculty of Natural Resource Sciences

Jóhann Örlygsson

Professor
460 8511

Location

  • R250
  • Borgir rannsóknarhús

Specialisation

Microbiology Biofuel Thermophilic bacteria Biotechnology
Research portal - Jóhann Örlygsson 

General information

Courses 2025 - 2026

ÖRV1106200
Microbiology
LEF1106200
Biochemistry
LÍÖ1106200
Biotechnological Microbiology
ÖRV1106200
Microbiology
LEF1106200
Biochemistry

Research

2025
Draft genome and alcohol dehydrogenase dataset of thermoanaerobacter uzonensis bacterium strain AK85. Journal article
2024
Dataset describing the amino acid catabolism of Thermoanaerobacter pseudethanolicus. Journal article
2024
Dataset describing the influence of culture conditions on the bioreduction of organic acids to alcohols by Thermoanaerobacter pseudethanolicus. Journal article
2020
Branched-chain amino acid catabolism of Thermoanaerobacter pseudoethanolicus reveals potential route to branched-chain alcohol formation. Journal article
2019
Branched-chain amino acid catabolism of Thermoanaerobacter strain AK85 and the influence of culture conditions on branched-chain alcohol formation. Journal article
2019
Biotransformation of organic acids to their corresponding alcohols by Thermoanaerobacter pseudoethanolicus. Journal article
2019
Dataset describing the amino acid catabolism of Thermoanaerobacter strain AK85: The influence of culture conditions on end product formation. Journal article
2018
Dataset describing ethanol and 1,2-propanediol production by a stenothermal moderately thermophilic anaerobe, Clostridium strain AK1. Journal article
2018
Biological production of alcohols. Book chapter
2018
Conversion of Lignocellulosic Feedstocks into Bioethanol using Extremophiles. Book chapter
2017
Evaluation of the genus of Caldicellulosiruptor for production of 1,2-propanediol from methylpentoses. Journal article
2017
Alkaline vents and steep Na+gradients from ridge-flank basalts-Implications for the origin and evolution of life. Journal article
2017
Framleiðsla vetnis með hitakærum bakteríum. Journal article
2017
Recent advances in genetic engineering of thermophilic ethanol producing bacteria. Book chapter
2016
Effect of culture conditions on hydrogen production by Thermoanaerobacter strain AK68. Journal article
2015
Amino Acid Metabolism of Thermoanaerobacter Strain AK90: The Role of Electron-Scavenging Systems in End Product Formation. Journal article
2015
Branched-chain alcohol formation by thermophilic bacteria within the genera of Thermoanaerobacter and Caldanaerobacter. Journal article
2015
Ethanol production by a Paenibacillus species isolated from an Icelandic hot spring – Production yields from complex biomass. Journal article
2015
Ethanol production by a Paenibacillus species isolated from an Icelandic hot spring - Production yields from complex biomass. Journal article
2014
Branched-chain alcohol formation from branched-chain amino acids by Thermoanaerobacter brockii and Thermoanaerobacter yonseiensis. Journal article
2014
Recent Advances in Second Generation Ethanol Production by Thermophilic Bacteria. Journal article
2014
The Family Hydrogenophilaceae.
2013
Framleiðsla á etanóli úr flóknum llífmassa með hitakærum bakteríum. Journal article
2013
Production of biohydrogen from sugars and lignocellulosic biomass using Thermoanaerobacter GHL15. Journal article
2012
Combined hydrogen and ethanol production from sugars and lignocellulosic biomass by Thermoanaerobacterium AK54, isolated from hot spring. Journal article
2012
Ethanol production from biomass by a moderate thermophile, Clostridium AK1. Journal article
2012
Ethanol production from sugars and complex biomass by Thermoanaerobacter AK 5: The effect of electron-scavenging systems on end-product formation. Journal article
2012
Production of ethanol from sugars and lignocellulosic biomass by thermoanaerobacter J1 isolated from a hot spring in Iceland. Journal article
2011
Effect of various factors on ethanol yields from lignocellulosic biomass by Thermoanaerobacterium AK17. Journal article
2011
Ethanol and hydrogen production with thermophilic bacteria from sugars and complex biomass. Book chapter
2011
Hydrogen and ethanol production from sugars and complex biomass by Thermoanaerobacterium AK54 isolated from Icelandic hot spring. Conference paper
2011
Hydrogenophilus islandicus sp. nov., a thermophilic hydrogen-oxidizing bacterium isolated from an Icelandic hot spring. Journal article
2011
Thiomonas islandica sp. nov., a moderately thermophilic, hydrogen- and sulfur-oxidizing betaproteobacterium isolated from a hot spring. Journal article
2010
Bioprospecting thermophilic ethanol and hydrogen producing bacteria from hot springs in Iceland. Journal article
2010
Ethanol and hydrogen production from lignocellulosic biomass by thermophilic bacteri. Conference paper
2010
Ethanol production from complex biomass by thermophilic bacteria. Conference paper
2010
Hydrogen production from sugars and complex biomass by Clostridium species, AK14, isolated from Icelandic hot spring. Journal article
2008
Ethanol and hydrogen production by two thermophilic, anaerobic bacteria isolated from Icelandic geothermal areas. Journal article
2008
Bioprospecting thermophilic microorganisms from icelandic hot springs for hydrogen and ethanol production. Journal article
2008
High-efficiency hydrogen production by an anaerobic, thermophilic enrichment culture from an icelandic hot spring. Journal article
2007
Bioprospecting Thermophilic Microorgansims from Icelandic Hot Springs for Sustainable energy (H2 and/or Ethanol) Production. Conference paper
2007
Phylogenetic and Physiological studies of four hydrogen producing anaerobes from Icelandic geothermal areas. Journal article
2003
The source and contamination routes for Listeria monocytogenes in the dairy industry. Journal article
1997
Why Does Clostridium acetireducens Not Use Interspecies Hydrogen Transfer for Growth on Leucine? Journal article
1996
Clostridium acetireducens sp. nov., a novel amino acid-oxidizing, acetate-reducing anaerobic bacterium. Journal article
1996
Erratum: Clostridium acetireducens sp. nov., a novel amino acid- oxidizing, acetate-reducing anaerobic bacterium (International Journal of Systematic and Bacteriology (October 1996) 46:2 (458)). Journal article
1995
Thermophilic anaerobic amino acid degradation: deamination rates and end-product formation. Journal article
1995
Alanine as an end product during fermentation of monosaccharides by Clostridium strain P2. Journal article
1995
Thermophilic anaerobic amino acid degradation: deamination rates and end-product formation. Journal article
1994
Influence of hydrogenothrophic methane formation on the thermophilic anaerobic degradation of protein and amino acids. Journal article