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Trichomonascus petasosporus sp. nov. and Sympodiomyces indianaensis sp. nov., two new members of the Saccharomycetales

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Abstract

Two new yeasts are described that were recognized as novel from nucleotide divergence in domains D1/D2 of 26S rDNA. The new species and their type strains are the following: Trichomonascus petasosporus NRRL YB-2092T (CBS 9602T), mating type a, NRRL YB-2093 (CBS 9603), mating type α, and Sympodiomyces indianaensis NRRL YB-1950T (CBS 9600T). Phylogenetic analysis placed the two new taxa, which are sister species, in the Sympodiomyces clade near Blastobotrys/Stephanoascus farinosus. Placement of Trichomonascus in the Saccharomycetales resolves the earlier uncertainties surrounding the classification of this morphologically unusual genus.

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Authors and Affiliations

  1. U.S. Department of Agriculture, Microbial Genomics and Bioprocessing Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, 1815 N. University Street, Peoria, Illinois, 61604, USA(e-mail

    Cletus P. Kurtzman

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  1. Cletus P. Kurtzman
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Kurtzman, C.P. Trichomonascus petasosporus sp. nov. and Sympodiomyces indianaensis sp. nov., two new members of the Saccharomycetales. Antonie Van Leeuwenhoek 85, 297–304 (2004). https://doi.org/10.1023/B:ANTO.0000020382.23285.db

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