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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo - Volume 62, Issue Pt_11, 2012

Volume 62, Issue Pt_11

Volume 62, Issue Pt_11, 2012

  • New Taxa
    • Eukaryotic Micro-organisms

      • sp. nov., a yeast species isolated from rotten wood

        https://doi.org/10.1099/ijs.0.042317-0

        Four strains of a novel heterothallic yeast species were isolated from rotten wood samples collected at different locations in Hungary. Analysis of sequences of the D1/D2 domain of the large subunit rRNA gene placed the novel species in the genus . The novel species can be distinguished from , the single species of the genus, and from , the only recognized anamorphic species of the clade, on the basis of standard phenotypic characteristics. The relatedness among the four strains of the novel species and two closely related strains representing undescribed yeast species is discussed. The name sp. nov. is proposed to accommodate the four novel strains. The type and isotype strains of sp. nov. are NCAIM Y.01992 ( = CBS 12585 = NRRL Y-48818) and NCAIM Y.01936 ( = CBS 12586 = NRRL Y-48819), respectively. Two additional strains are NCAIM Y.01991 and NCAIM Y.01993.

    • sp. nov., a novel yeast species from the gut of larvae

      https://doi.org/10.1099/ijs.0.044214-0

      A novel yeast species is described based on three strains from the gut of wood-boring larvae collected in a tree trunk of cultivated in parks near Nanyang, central China. Phylogenetic analysis based on sequences of the D1/D2 domains of the large subunit rRNA gene showed that these strains occurred in a separate clade that was genetically distinct from all known ascomycetous yeasts. In terms of pairwise sequence divergence, the novel strains differed by 15.3 % divergence from the type strain of , and by 15.8 % divergence from the type strains of and in the D1/D2 domains. All three are ascomycetous yeasts in the clade. Unlike . , . and . , the novel isolates did not ferment glucose. The name sp. nov. is proposed to accommodate these highly divergent organisms, with STN-8 ( = CICC 1980 = CBS 12638) as the type strain.

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