1887

Abstract

Nine anamorphic yeast strains isolated from various plant leaves collected in southern China were phylogenetically characterized based on sequences of the internal transcribed spacer (ITS) region, the D1/D2 domains of the large subunit (LSU) rRNA gene, the small subunit (SSU) rRNA gene, the two subunits of the RNA polymerase II gene ( and ) and the translation elongation factor 1-α (). Phylogenetic analysis of the combined sequences of the six genes showed that the new strains formed a distinct clade in the class but could not be assigned to any of the existing genera, families or orders of the class. Three separate groups were consistently resolved from the nine new strains based on the combined sequences of the six genes and single gene sequences of ITS, , and . The results suggest that the nine yeast strains compared represent three novel species in a novel genus. The names gen. nov. (MycoBank registration number MB819987), sp. nov. (MB820112, type strain CGMCC 2.5697=CBS 14756), sp. nov. (MB819988, CGMCC 2.5698=CBS 14750) and sp. nov. (MB820113, CGMCC 2.5695=CBS 14752) are proposed for the new taxa.

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2017-11-01
2024-03-28
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