1887

Abstract

A novel black yeast-like fungus, , is described based on two closely related isolates from biological soil crust (BSC) samples collected on the Colorado Plateau (Utah) and in the Great Basin desert (Oregon), USA. Their morphology places them in the anamorphic genus , having affinities to the family (Ascomycota). Phylogenetic analysis of their D1/D2 large subunit nuclear ribosomal RNA (LSU nrRNA) gene sequences suggests that they represent a distinct species. The closest known putative relative to is Samuels, isolated from decorticated wood in Westland County, New Zealand. The holotype for anam. nov. is UAMH 10686 and the type strain is CP141b (=ATCC MYA-3639=CBS 119970=DSM 16793). Dark-pigmented fungi appear to constitute an important heterotrophic component of soil crusts and represents the first description of a dematiaceous fungus isolated from BSCs.

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2006-11-01
2024-12-08
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