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Cryptococcus wieringae on Modified YM.
Image Credit: Mark Butcher

Cryptococcus is a polyphyletic genus that is present in all five major lineages of the Tremellomycetes (Agaricomycotina). Cryptococcus wieringae (syn=Filobasidium wieringae) was described by Fonseca et al. (2000) to re-classify strains of Cryptoccocus albidus related to Cryptoccocus magnus. Like many other members of Filobasidiales, Cryptococcus wieringae is also found in association with plants. The original identification by Wieringa (1956)  was on samples isolated from flax straw when a role in pectin hydrolysis during the dew-retting process of flax was suggested. It has also been isolated from soil samples (Arenz et al. 2006) and glaciers (Branda et al. 2010).

This genome was sequenced as part of the 1000 fungal genomes project.