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Piloderma spaerosporum
Piloderma spaerosporum resupinate fruiting body. Photo credit: Jens Maarbjerg

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.

Piloderma sphaerosporum (Basidiomycota, Atheliales, Atheliaceae) is an ectomycorrhizal fungus, primarily associating with Pinaceae, but also with evergreen Pyrola herbs. As a symbiotic fungus, P. sphaerosporum is considered to be important for nutrient acquisition of forest trees. It is typically encountered in boreal and temperate forests and is phylogenetically distant from other common Piloderma species, such as P. fallax and P. byssinum and deviates morphologically from these species with a smooth, thin mantle and no emanating cords or mycelial mats.

The fungal strain used for genome sequencing was isolated by Anna Rosling outside Umeå (Sweden) in 1999.

Researchers who wish to publish analyses using data from unpublished CSP genomes are respectfully required to contact the PI and JGI to avoid potential conflicts on data use and coordinate other publications with the CSP master paper(s).