Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 71, Issue 7, Pages -Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.004862
Keywords
ascomycetous yeast; pink yeast; Sporobolomyces lactosus; taxonomy
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Funding
- Center for Food Safety Engineering at Purdue University - US Department of Agriculture (USDA), Agri-cultural Research Service [8072-42000-077-00D]
- U.S. National Science Foundation [DEB-2018098]
- U.S. Department of Agriculture, National Institute of Food and Agriculture Hatch project [1010662]
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The pink yeast Sporobolomyces lactosus is classified in the new genus Inopinatum, representing the first reported pink yeast in Leotiomycetes. A molecular phylogenetic analysis revealed its close relationship with Pseudeurotium zonatum in Thelebolales.
Sporobolomyces lactosus is a pink yeast- like fungus that is not congeneric with other members of Sporobolomyces (Basidiomy-cota, Microbotryomycetes, Sporidiobolales). During our ongoing studies of pink yeasts we determined that S. lactosus was most closely related to Pseudeurotium zonatum (Ascomycota, Leotiomycetes, Thelebolales). A molecular phylogenetic analysis using sequences of the ITS region and the small and large subunit (SSU, LSU) rRNA genes, indicated that four isolates of S. lactosus, including three ex -type isolates, were placed in Thelebolales with maximum support. A new genus is proposed to accommodate S. lactosus, Inopinatum. This is the first pink yeast reported in Leotiomycetes.
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