Exophiala crusticola anam. nov. (affinity Herpotrichiellaceae), a novel black yeast from biological soil crust in the Western United States

Scott T. Bates, Gundlapally S N Reddy, Ferran Garcia-Pichel

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A novel black yeast-like fungus, Exophiala crusticola, 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 Exophiala, having affinities to the family Herpotrichiellaceae (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 Exophiala crusticola is Capronia coronata Samuels, isolated from decorticated wood in Westland County, New Zealand. The holotype for Exophiala crusticola anam. nov. is UAMH 10686 and the type strain is CP141bT (= ATCC MYA-3639T = CBS 119970T = DSM 16793T). Dark-pigmented fungi appear to constitute an important heterotrophic component of soil crusts and Exophiala crusticola represents the first description of a dematiaceous fungus isolated from BSCs.

Original languageEnglish (US)
Pages (from-to)2697-2702
Number of pages6
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume56
Issue number11
DOIs
StatePublished - Nov 2006

Fingerprint

Herpotrichiellaceae
Exophiala
soil crusts
soil crust
Western United States
yeast
Soil
Yeasts
fungus
yeasts
Fungi
fungi
Capronia
RNA
Nuclear RNA
desert
Ascomycota
plateau
phylogenetics
holotypes

ASJC Scopus subject areas

  • Microbiology
  • Applied Microbiology and Biotechnology
  • Ecology, Evolution, Behavior and Systematics
  • Immunology

Cite this

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abstract = "A novel black yeast-like fungus, Exophiala crusticola, 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 Exophiala, having affinities to the family Herpotrichiellaceae (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 Exophiala crusticola is Capronia coronata Samuels, isolated from decorticated wood in Westland County, New Zealand. The holotype for Exophiala crusticola anam. nov. is UAMH 10686 and the type strain is CP141bT (= ATCC MYA-3639T = CBS 119970T = DSM 16793T). Dark-pigmented fungi appear to constitute an important heterotrophic component of soil crusts and Exophiala crusticola represents the first description of a dematiaceous fungus isolated from BSCs.",
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