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Åke Olson

Åke Olson
Ph.D. Molecular Genetics


My expertise is in the field of molecular genetics and genomics of fungi. Over the last years have I studied different aspects of fungal biology at the molecular level with emphasis on phytopathogens. I am interested in fungal interactions with dead and living plants as well as fungal-fungal interactions. In my studies I use both classical genetic and genomic approaches.

University education:          

2002-10-29, Associate Professor (Docent) at Swedish University of Agricultural Sciences (SLU), Uppsala Sweden.

1997-06-06, Ph. D. Molecular Genetics, SLU, Uppsala, Sweden. Thesis: Molecular Responses to Cold Stress, Regulation of low temperature-induced genes in Arabidopsis thaliana. Supervisor Prof. Tapio Palva.

Present position:                  

2013-04-01 – Director of Biocentrum, SLU, 20%.

2004-07-01 – Researcher (Forskare), Permanent, 80% research time.

Current projects

Genomics of Heterobasidion annosum species complex.

In collaboration with, Jan Stenlid, Mårten Lind, Magnus Karlsson, Mikael Brandström-Durling, Kerstin Dalman , Kajsa Himmelstrand.

Effects of genetic distance on epistasis and fitness in the root-rot fungus Heterobasidion parviporum.

In collaboration with, Pierre-Henri Clergeot, Mikael Brandström-Durling, Nicolas Rode.

Future Norway Spruce with minimal root rot. Identification, validation and implementation of genetic markers for root rot resistance in Norway spruce.

In collaboration with, Jan Stenlid, Malin Elfstrand, Bo Karlsson.

Biological control of Thekopsora areolata in Swedish spruce orchards.

In collaboration with, Malin Elfstrand, Curt Almqvist.

Population genetics of Thekopsora areolata

In collaboration with, Berit Samils, Hernán Dario Capador Barreto.

Selected publications


Arnerup, J. Lind, M. Olson, Å. Stenlid, J Elfstrand, M. (2011) The pathogenic white-rot fungus Heterobasidion parviporum triggers non-specific defence responses in the bark of Norway spruce. Tree Physiology 31, 1262-1272.

Olson, Å. Aerts A. Asiegbu F. Belbahri L. Bouzid O. Broberg A. Canbäck B. Coutinho P.M. Cullen D. Dalman K. Deflorio G. van Diepen L.T.A. Dunand C. Duplessis S. Durling M. Gonthier P. Grimwood J. Fossdal C.G. Hansson D. Henrissat B. Hietala A. Himmelstrand K. Hoffmeister D. Högberg N. James T.Y. Karlsson M. Kohler A. Kües U. Lee Y-H. Lin Y-C. Lind M. Lindquist E. Lombard V. Lucas S. Lundén K. Morin E. Murat C. Park J. Raffaello T. Rouzé P. Salamov A. Schmutz J. Solheim H. Ståhlberg J. Vélëz H. de Vries R.P. Wiebenga A. Woodward S. Yakovlev I. Garbelotto M. Martin F. Grigoriev I.V. Stenlid J. (2012) Insight into trade-off between wood decay and parasitism from the genome of a fungal forest pathogen. New Phytologist 194, 1001-1013.

Hansson, D. Menkis, A. Himmelstrand, K. Thelander, M. Olson, Å. Stenlid, J. Karlsson, M. Broberg A. (2012) Sesquiterpenes from the conifer root rot pathogen Heterobasidion occidentale. Phytochemistry 82, 158-165.

Lind, M. van der Nest, M. Olson, Å. Brandström-Durling, M. Stenlid, J. (2012) A 2nd generation linkage map of Heterobasidion annosum s.l. based on in silico anchoring of AFLP markers. PloS ONE 7, e48347.

Hansson, D. Menkis, A. Olson, Å. Stenlid, J. Broberg, A. Karlsson, M. (2012) Biosynthesis of fomannoxin in the root rotting pathogen Heterobasidion occidentale. Phytochemistry 84, 31-39.

Dalman, K. Himmelstrand, K. Olson, Å. Lind, M. Brandström-Durling, M. Stenlid, J. (2013) A genome wide association study identifies genomic regions for virulence in the non-model organism Heterobasidion annosum s.s. PloS ONE 8, e53525.DOI: 10.1371/journal.pone.0053525

Nystedt, B. Street, N. R. Wetterbom, A. Zuccolo, A. Lin, Y.-C, Scofield, D.G. Vezzi, F. Delhomme, N. Giacomello, S. Alexeyanko, A. Vicedomini, R. Sahlin, K. Sherwood, E. Elfstrand, M. Gramzow, L. Holmberg, K. Hällman, J. Keech, O. Karlsson, L. Koriabine, M. Kucukoglu, M. Käller, M. Luthman, J. Lysholm, F. Nittylä, T. Olson, Å. Rilakovic, N. Ritland, C. Rosselló, J.A.Sena, J. Svennson, T. Talavera-lópez, C. Theiben, G. Arvestad, L. Bhalerao, R. Bohlman, J. Bousquet, J. Garcia Gil, R. Hvidsten, T.R. de Jong, P. MacKay, J. Morganate, M. Ritland, K. Sundberg, B. Thompson, S.L. Van der Peer, Y. Andersson, B. Nilsson, O. Ingvarsson, P.K. Lundeberg, J. Jansson, S. (2013) The Norway spruce genome sequence gives insights into conifer genome evolution. Nature 497, 579-584. doi:10.1038/nature12211.

Van Diepen* L. Olson* Å. Ihrmark K. Stenlid J. James T. (2013) Extensive Trans-Specific Polymorphism at the Mating Type Locus of the Root Decay Fungus Heterobasidion. Mol. Biol. Evol. 30 (10): 2286-2301. doi: 10.1093/molbev/mst126 *Equal contribution.

James T. Sun S. Li W. Kuo H-C. Lee Y-H. Asiegbu F. O. Olson Å. (2013) Polyporales genomes reveal the genetic architecture underlying tetrapolar and bipolar mating systems. Mycologia 2013 13-162. doi:10.3852/13-162

Hu Y. Stenlid J. Elfstrand M. Olson Å. (2013) Evolution of RNA interference proteins dicer and argonaute in Basidiomycota, Mycologia 2013 13-171. doi:10.3852/13-171

Bödeker, ITM. Clemmensen, KE. de Boer, W. Olson, Å. Lindahl, BD. (2014) Ectomycorrhizal fungi drive enzymatic oxidation in humus layers of northern forest ecosystems with low nitrogen availability. New Phytologist 203 (1) 245-256. DOI:10.1111/nph.12791

Van der Nest MA. Olson Å. Lind M. Vélëz H. Dalman K. Brandström Durling M. Karlsson M. Stenlid J. (2014) Distribution and evolution of het gene homologs in basidiomycota. Fungal Genet. Biol. 64:45-57.

Himmelstrand K. Olson Å. Brandström Durling M. Karlsson M. Stenlid J. (2014) Intronic and plasmid-derived regions contribute to the large mitochondrial genome size of Agaricomycetes. Current Genetics 60: 303-313. DOI: 10.1007/s00294-014-0436-z

Hansson D. Wubshet S. Olson Å. Karlsson M. Staerk D. Broberg A. (2014) Secondary metabolite comparison of the species within the Heterobasidion annosum s.l. complex. Phytochemistry 108: 243-251. doi:10.1016/j.phytochem.2014.08.028 .

Van der Nest MA. Olson Å. Karlsson M. Lind M. Dalman K. Brandström Durling M. Elfstrand M. Wingfield BD. Stenlid J. (2014) Gene expression associated with intersterility in Heterobasidion. Fungal Genetics and Biology 73: 104-119. doi:10.1016/j.fgb.2014.10.008 .

Bödeker, ITM. Lindahl, BD. Olson, Å. Clemmensen, KE.  (2016) Mycorrhizal and saprotrophic fungal guilds compete for the same organic substrates but affect decomposition differently. Functional Ecology DOI: 10.1111/1365-2435.12677

Dima, B. Lindström, H. Liimatainen, K. Olson, Å. Soop, K. Kytövuori, I. Dahlberg, A. Niskanen, T. (2016) Typification of Friesian names in Cortinarius sections Anomali, Spilomei and Bolares, and description of two new species from northern Europe. Mycological Progress (Accepted for publication)

Book chapters

Lind, M. Stenlid J. and Olson, Å. (2014) Heterobasidion annosum s.l.Genomics. In Advances in Botanical Research. Vol. 70.  (Ed.) Martin FM. ACADEMIC PRESS LTD. Oxford, UK pp. 371-396.  DOI: 10.1016/B978-0-12-397940-7.00012-4

Olson, Å (2015) RNAi Function and Diversity in Fungi. In Biochenmstry and Molecular Biology, 3rd Edition The Mycota III (Ed.) Hoffmeister D. Springer International Publishing Switzerland. Pp. 31-45.  

Researcher at the Department of Forest Mycology and Plant Pathology; Division of Forest Pathology
Telephone: 018-671876
Postal address:
Skoglig mykologi och växtpatologi , Box 7026
750 07 UPPSALA
Visiting address: Almas Allé 5, Uppsala
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