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Amanita rubescens
The photo was provided by Tereza Geigerová.

In the “1KFG: Deep Sequencing of Ecologically-relevant Dikarya” project (CSP1974), we aim to sequence additional sampling of genomic diversity within keystone lineages of plant-interacting fungi and saprophytic fungi that are of special ecological importance for understanding terrestrial ecosystems. In addition, comparative genome analysis with saprotrophic, mycorrhizal and pathogenic fungi will provide new insights into the specific and conserved adaptations associated with each fungal lifestyle.

Amanita rubescens (Pers.) E.-J. Gilbert 1941

Amanita rubescens is a very common taxon widespread in the Northern Hemisphere. This is an ectomycorrhizal fungus symbiotic with a variety of hosts including oak, spruce and pine trees. It is found typically in places with high N deposition and high N availability in soils (van der Linde et al. 2018). It is thus not surprising that it is one of the most abundant mycorrhizal associates of spruce in acidic soils with high N content such as in the coniferous stands of lowland plantations of Central Europe (Kohout et al. 2018) and coniferous mountain spruce forests affected by acidic deposition that are N-saturated (Žifčáková et al. 2016). The fact that Amanita rubescens prefers N-rich soils makes it a suitable model for the functioning of the tree-fungus symbiosis in systems where the trees are not dependent on mycorrhizal N-supply. The fungus forms fruitbodies in summer and fall and is a delicious edible mushroom.

The 1KFG project is a large collaborative effort aiming for master publication(s). Researchers who wish to publish analyses using data from unpublished 1KFG genomes are respectfully required to contact the PI (Dr. Francis Martin) and JGI to avoid potential conflicts on data use and coordinate other publications with the MGI master paper(s).


Kohout P, Charvátová M, Štursová M, Mašínová T, Tomšovský M, Baldrian P. 2018. Clearcutting alters decomposition processes and initiates complex restructuring of fungal communities in soil and tree roots. The ISME Journal in press, doi: 10.1038/s41396-017-0027-3.

Van der Linde S et al. 2018. Environment and host as large-scale controls of ectomycorrhizal fungi. Nature 558: 243-248.

Žifčáková L, Větrovský T, Howe A, Baldrian P. 2016. Microbial activity in forest soil reflects the changes in ecosystem properties between summer and winter. Environmental Microbiology 18(1): 288-301.

Genome Reference(s)