Ole Christian Hagestad

ORCID: 0000-0001-6080-4340
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About
Contact & Profiles
Research Areas
  • Microbial Natural Products and Biosynthesis
  • Plant Pathogens and Fungal Diseases
  • Marine Sponges and Natural Products
  • Mycorrhizal Fungi and Plant Interactions
  • Antimicrobial Resistance in Staphylococcus
  • Pneumonia and Respiratory Infections
  • Fungal Biology and Applications
  • Bacterial Infections and Vaccines
  • Microbial Community Ecology and Physiology
  • Genomics and Phylogenetic Studies

Norwegian Institute of Marine Research
2022

UiT The Arctic University of Norway
2018-2021

Enterococcus faecium is a commensal but also bacteremia causing pathogen, which inherently resistant to several antimicrobials and has great ability acquire new traits. Bacterial membrane vesicles (MVs) are increasingly recognized as mode of cell-free communication way deliver virulence factors and/or antimicrobial resistance determinants. These features make MVs interesting research targets in on critical hospital pathogens. This study describes for the first time that E. strains produce...

10.1016/j.jprot.2018.05.017 article EN cc-by-nc-nd Journal of Proteomics 2018-05-29

ABSTRACT Marine fungi remain poorly covered in global genome sequencing campaigns; the 1000 fungal genomes (1KFG) project attempts to shed light on diversity, ecology and potential industrial use of overlooked resolved taxa. This study characterizes three marine fungi: Emericellopsis sp. TS7, wood-associated Amylocarpus encephaloides algae-associated Calycina marina. These species were sequenced their genomic features, biosynthetic phylogenetic placement using multilocus data. C. marina...

10.1186/s43008-021-00072-0 article EN cc-by IMA Fungus 2021-08-09

During a research cruise in 2016, we isolated fungi from sediments, seawater, driftwood, fruiting bodies, and macroalgae using three different media to assess species richness potential bioactivity of cultivable marine the High Arctic region. Ten stations Svalbard archipelago (73–80 °N, 18–31 °E) were investigated 33 fungal isolates obtained. These grouped into 22 operational taxonomic units (OTUs) nuc rDNA internal transcribed spacer regions (ITS1-5.8S-ITS2 = ITS) with acut-off set at 98%...

10.1080/21501203.2019.1708492 article EN cc-by Mycology&#58 An International Journal on Fungal Biology 2019-12-27

Actinobacteria are among the most prolific producers of bioactive secondary metabolites. In order to collect Arctic marine bacteria for discovery new metabolites, actinobacteria were selectively isolated during a research cruise in Greenland Sea, Norwegian Sea and Barents Sea. frame isolation campaign, it was investigated how different sample treatments, media sample-sources, such as animals sediments, affected yield actinobacterial isolates aid further campaigns. Special attention given...

10.3389/fmicb.2022.1005625 article EN cc-by Frontiers in Microbiology 2022-11-21
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