A Novel Yeast Genus and Two Novel Species Isolated from Pineapple Leaves in Thailand: Savitreella phatthalungensis gen. nov., sp. nov. and Goffeauzyma siamensis sp. nov.

被引：4
|
作者：
Nutaratat, Pumin [1 ,2 ]
Boontham, Wanatchaporn [3 ]
Khunnamwong, Pannida [4 ,5 ]
机构：
[1] Thaksin Univ, Fac Sci, Dept Biol, Pa Phayom 93210, Phatthalung, Thailand
[2] Thaksin Univ, Fac Sci, Microbial Technol Agr Food & Environm Res Ctr, Pa Phayom 93210, Phatthalung, Thailand
[3] Nakhon Pathom Rajabhat Univ, Fac Sci & Technol, Program Microbiol, Nakhon Pathom 73000, Thailand
[4] Kasetsart Univ, Dept Microbiol, Fac Sci, Bangkok 10900, Thailand
[5] Kasetsart Univ BDCKU, Biodivers Ctr, Bangkok 10900, Thailand
来源：
JOURNAL OF FUNGI | 2022年 / 8卷 / 02期
关键词：
two new taxa; yeast taxonomy; yeast phylogeny; Savitreella phatthalungensis; Goffeauzyma siamensis; pineapple; phyllosphere; BASIDIOMYCETOUS YEAST; ROCK DRAINAGE; ENVIRONMENT; SYSTEMATICS; PHYLOGENY; ECOCLADE;
D O I：
10.3390/jof8020118
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Four yeast strains, representing one genus and two novel anamorphic yeast species, were isolated from pineapple leaves collected in Thailand. Analysis of the sequences of the D1/D2 domains of the large subunit (LSU) rRNA gene and the internal transcribed spacer (ITS) regions showed the two strains (DMKU-PAL186 and DMKU-PAL178) were closely related to the type strains of the Protomyces and Taphrina species, but with high nucleotide divergence. Two strains (DMKU-PAL39 and DMKU-PAL18) were found to be closely related to the type strains of Goffeauzyma iberica, but with eight nucleotide substitutions in the D1/D2 domains and 26 nucleotide substitutions in the ITS regions. In phylogenetic analyses, the strains DMKU-PAL186 and DMKU-PAL178 formed a well-separated lineage from Protomyces and Taphrina genera, confirming that they represented a distinct genus, while the strains DMKU-PAL39 and DMKU-PAL18 represented a species in the genus Goffeauzyma, which was phylogenetically distinct from other recognized species of the genus. Based on molecular analyses and phenotypic characteristics, the names Savitreella gen. nov. (Taphrinomycetes, Ascomycota) and Savitreella phatthalungensis sp. nov. are proposed to accommodate the strains DMKU-PAL186 and DMKU-PAL178, and the name Goffeauzyma siamensis sp. nov. (Tremellomycetes, Basidiomycota) is proposed to accommodate the strains DMKU-PAL39 and DMKU-PAL18.
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页数：15
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