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Academic Interests

Host-microbe interactions, High Throughput - sequencing, Fungal/bacterial co-occurance, Root-associated microbes.


Course leader for Alpine terrestial field course 2016. 

Higher education and employment history

Bachelors in Biology 2005-2008: University in Oslo.

Masters in Biology 2008-2010: University in Oslo/Norwegian Veterinary Institute.

Miscellaneous field and lab related work at:

From December 2010 - June 2013.

PhD fellow in Microbial ecology, under Professor Håvard Kauserud: 2013 - 2017.



  • Aas, Anders Bjørnsgard; Davey, Marie Louise & Kauserud, Håvard (2017). ITS all right mama: investigating the formation of chimeric sequences in the ITS2 region by DNA metabarcoding analyses of fungal mock communities of different complexities. Molecular Ecology Resources.  ISSN 1755-098X.  17(4), s 730- 741 . doi: 10.1111/1755-0998.12622
  • Lorberau, Kelsey; Botnen, Synnøve Smebye; Mundra, Sunil; Aas, Anders Bjørnsgard; Rozema, Jelte; Eidesen, Pernille Bronken & Kauserud, Håvard (2017). Does warming by open-top chambers induce change in the root-associated fungal community of the arctic dwarf shrub Cassiope tetragona (Ericaceae)?. Mycorrhiza.  ISSN 0940-6360.  27(5), s 513- 524 . doi: 10.1007/s00572-017-0767-y
  • Mysterud, Atle; Easterday, William Ryan; Stigum, Vetle Malmer; Aas, Anders Bjørnsgard; Meisingset, Erling L. & Viljugrein, Hildegunn (2016). Contrasting emergence of Lyme disease across ecosystems. Nature Communications.  ISSN 2041-1723.  7 . doi: 10.1038/ncomms11882 Full text in Research Archive. Show summary
  • Nilsson, R. Henrik; Hyde, Kevin D.; Pawlowska, Julia; Ryberg, Martin; Tedersoo, Leho; Aas, Anders Bjørnsgard; Alias, Siti A.; Alves, Artur; Anderson, Cajsa Lisa; Antonelli, Alexandre; Arnold, A. Elizabeth; Bahnmann, Barbara; Bahram, Mohammad; Bengtsson-Palme, Johan; Berlin, Anna; Branco, Sara; Chomnunti, Putarak; Dissanayake, Asha; Drenkhan, Rein; Friberg, Hanna; Frøslev, Tobias Guldberg; Halwachs, Bettina; Hartmann, Martin; Henricot, Beatrice; Jayawardena, Ruvishika; Jumpponen, Ari; Kauserud, Håvard; Koskela, Sonja; Kulik, Tomasz; Liimatainen, Kare; Lindahl, Björn D.; Lindner, Daniel; Liu, Jian-Kui; Maharachchikumbura, Sajeewa; Manamgoda, Dimuthu; Martinsson, Svante; Neves, Maria Alice; Niskanen, Tuula; Nylinder, Stephan; Pereira, Olinto Liparini; Pinho, Danilo Batista; Porter, Teresita M.; Queloz, Valentin; Riit, Taavi; Sánchez-García, Marisol; de Sousa, Filipe; Stefanczyk, Emil; Tadych, Mariusz; Takamatsu, Susumu; Tian, Qing; Udayanga, Dhanushka; Unterseher, Martin; Wang, Zheng; Wikee, Saowanee; Yan, Jiye; Larsson, Ellen; Larsson, Karl-Henrik; Kõljalg, Urmas & Abarenkov, Kessy (2014). Improving ITS sequence data for identification of plant pathogenic fungi. Fungal diversity.  ISSN 1560-2745.  67(1), s 11- 19 . doi: 10.1007/s13225-014-0291-8

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  • Aas, Anders Bjørnsgard (2013). The role of B. anthracis in the soil microbiome.
  • Carlsen, Tor; Aas, Anders Bjørnsgard; Lindner, D; Vrålstad, Trude; Schumacher, Trond & Kauserud, Håvard (2012). Don't make a mista(g)ke: is tag switching an overlooked source of error in amplicon pyrosequencing studies?. Fungal ecology.  ISSN 1754-5048.  5(6), s 747- 749 . doi: 10.1016/j.funeco.2012.06.003 Show summary
  • Aas, Anders Bjørnsgard; Carlsen, Tor; Kauserud, Håvard; Mysterud, Atle & Vrålstad, Trude (2010). The effects of animal grazing on species richness and composition of fungal endophytes in a perennial grass. Show summary
  • Aas, Anders Bjørnsgard; Vrålstad, Trude; Carlsen, Tor; Kauserud, Håvard & Mysterud, Atle (2010). Diversity and species composition of fungal endophytes in Avenella flexuosa under different sheep grazing regimes.

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Published Sep. 24, 2013 10:55 AM - Last modified Dec. 12, 2016 1:25 PM