期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 67, 期 11, 页码 4534-4540出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.002323
关键词
Heitmania; Microbotryomycetes; yeast; novel genus; novel species
类别
资金
- National Natural Science Foundation of China (NSFC), PR China [31670020]
- Youth Innovation Promotion Association of the Chinese Academy of Sciences [2017125]
- Chinese Academy of Sciences [153211KYSB20160029]
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 (RPB1 and RPB2) and the translation elongation factor 1-alpha (TEF1). Phylogenetic analysis of the combined sequences of the six genes showed that the new strains formed a distinct clade in the class Microbotryomycetes 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, RPB1, RPB2 and TEF1. The results suggest that the nine yeast strains compared represent three novel species in a novel genus. The names Heitmania gen. nov. (MycoBank registration number MB819987), Heitmania litseae sp. nov. (MB820112, type strain CGMCC 2.5697(T) =CBS 14756(T)), Heitmania castanopsis sp. nov. (MB819988, CGMCC 2.5698(T) =CBS 14750(T)) and Heitmania elacocarpi sp. nov. (MB820113, CGMCC 2.5695(T) =CBS 14752(T)) are proposed for the new taxa.
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