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. 2022 Apr 29:89:121-137.
doi: 10.3897/mycokeys.89.81119. eCollection 2022.

 Kodamaeahongheensis f.a., sp. nov., Kodamaeaovata f.a., sp. nov. and Kodamaeayamadae f.a., sp. nov., three new yeast species of Kodamaea (Saccharomycetales, Debaryomycetacae) from China

Chun-Yue Chai  1   2 , Wan-Li Gao  1 , Ying Li  1 , Zhen-Li Yan  3 , Feng-Li Hui  1   2
Affiliations

 Kodamaeahongheensis f.a., sp. nov., Kodamaeaovata f.a., sp. nov. and Kodamaeayamadae f.a., sp. nov., three new yeast species of Kodamaea (Saccharomycetales, Debaryomycetacae) from China

Chun-Yue Chai et al. MycoKeys. .

Abstract

Kodamaea includes a growing number of interesting yeasts of the family Debaryomycetacae that are widely distributed in temperate, subtropical and tropical regions of different continents. During recent yeast collections in Henan and Yunnan Province in China, several isolates of Kodamaea were obtained from rotting wood, all of which represent undescribed taxa. Based on morphological and phylogenetic analyses (ITS and LSU rDNA), three new species are proposed: K.hongheensis f.a., sp. nov., K.ovata f.a., sp. nov. and K.yamadae f.a., sp. nov. In addition, sixteen Candida species, which are members of the Kodamaea clade based on phylogenetic analysis, are transferred to Kodamaea as new combinations. Our results indicate high species diversity of Kodamaea waiting to be discovered in rotting wood from tropical and subtropical China.

Keywords: 16 new combinations; Debaryomycetacae; Saccharomycetales; three new species; yeast taxonomy.

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Figures

Figure 1.
Figure 1.
The NJ tree based on an analysis of a combined ITS and LSU rDNA dataset from the genus Kodamaea and related taxa from the family Debaryomycetacae. Schizosaccharomycespombe NRRL Y-12796T was used as outgroup. Bootstrap support values (BS) for the neighbour-joining and maximum parsimony programs of above 50% are given at nodes based on 1000 replications, a dash (“-”) indicates a value < 50% (BS). Bar, 2% sequence difference. The strain number is indicated after the species name. The strains in this study are in bold. T, type strains.
Figure 2.
Figure 2.
Morphology of Kodamaeahongheensis (NYNU 17423, holotype) a budding cells in YM broth after 3 d b simple pseudohyphae on CM agar after 14 d. Scale bars: 10 μm.
Figure 3.
Figure 3.
Morphology of Kodamaeaovata (NYNU 167144, holotype) a budding cells in YM broth after 3 d b pseudohyphae on CM agar after 14 d. Scale bars: 10 μm.
Figure 4.
Figure 4.
Morphology of Kodamaeayamadae (NYNU 168114, holotype) a budding cells in YM broth after 3 d b pseudohyphae on CM agar after 14 d. Scale bars: 10 μm.
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