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Suillus sp. FC429
Suillus sp. FC429, photographed by Nhu Nguyen at the type locality, Colorado, USA.

Suillus sp. nov. FC429

Suillus sp. nov. FC429 is a mutualistic ectomycorrhizal mushroom-forming fungus that exchanges soil mineral nutrients for photosynthates from its host. The species appears associated with five-needle pine (Subgenus Strobus) hosts, and associates with Pinus flexilis in what appears to be a narrow range of the southern Rocky Mountains (Nguyen et al. 2016). Morphologically it resembles S. americanus, except that it is a robust species with thick stipes.

Suillus as a genus is one of the most common ectomycorrhizal symbionts of the pine family (Pinaceae) in the northern hemisphere. Commonly known as ‘Slippery Jacks’, the mushrooms of this genus provide food for both wildlife and humans. Suillus species have been used in forest restoration following natural and human-made disturbances, have potential for bioremediation (mycoremediation), and likely play an important role in facilitating soil carbon sequestration in mycorrhizal forests.

This genome is part of the Community Science Program (Proposal 502931) “A genome atlas of the ectomycorrhizal genus Suillus: phylogenetic diversity and population genomics of a keystone guild of symbiotic forest fungi”, a collaborative effort aimed at using genomics data to understand and connect the evolutionary history, ecology, and genomic mechanisms of mutualistic ectomycorrhizal symbionts and their Pinaceae hosts. Please contact the PI for permission prior to the use of any data in publications.

References:

Nguyen NH, Vellinga EC, Bruns TD, Kennedy PG. 2016. Phylogenetic assessment of global Suillus ITS sequences supports morphologically defined species and reveals synonymous and undescribed taxa. Mycologia 108:1216–1228, doi:10.3852/16-106.