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从泰国菠萝叶中分离出的一个新酵母属及两个新种：新属、新种和新种

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

作者信息

Nutaratat Pumin, Boontham Wanatchaporn, Khunnamwong Pannida

机构信息

Department of Biology, Faculty of Science, Thaksin University, Pa Phayom, Phatthalung 93210, Thailand.

Microbial Technology for Agriculture, Food and Environment Research Center, Faculty of Science, Thaksin University, Pa Phayom, Phatthalung 93210, Thailand.

出版信息

J Fungi (Basel). 2022 Jan 26;8(2):118. doi: 10.3390/jof8020118.

DOI:10.3390/jof8020118
PMID:35205872
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8877625/
Abstract

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 and species, but with high nucleotide divergence. Two strains (DMKU-PAL39 and DMKU-PAL18) were found to be closely related to the type strains of , 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 and genera, confirming that they represented a distinct genus, while the strains DMKU-PAL39 and DMKU-PAL18 represented a species in the genus , which was phylogenetically distinct from other recognized species of the genus. Based on molecular analyses and phenotypic characteristics, the names gen. nov. (Taphrinomycetes, Ascomycota) and sp. nov. are proposed to accommodate the strains DMKU-PAL186 and DMKU-PAL178, and the name sp. nov. (Tremellomycetes, Basidiomycota) is proposed to accommodate the strains DMKU-PAL39 and DMKU-PAL18.

摘要

从泰国采集的菠萝叶中分离出四株酵母菌株，它们代表一个属和两个新的无性型酵母物种。对大亚基（LSU）rRNA基因的D1/D2结构域和内部转录间隔区（ITS）区域的序列分析表明，两株菌株（DMKU-PAL186和DMKU-PAL178）与 属和 属的模式菌株密切相关，但核苷酸差异较大。发现两株菌株（DMKU-PAL39和DMKU-PAL18）与 属的模式菌株密切相关，但在D1/D2结构域中有八个核苷酸替换，在ITS区域中有26个核苷酸替换。在系统发育分析中，菌株DMKU-PAL186和DMKU-PAL178形成了一个与 属和 属明显分开的谱系，证实它们代表一个独特的属，而菌株DMKU-PAL39和DMKU-PAL18代表 属中的一个物种，在系统发育上与该属其他已确认的物种不同。基于分子分析和表型特征，提出新属 （子囊菌门，座囊菌纲）和新种 的名称来容纳菌株DMKU-PAL186和DMKU-PAL178，并提出新种 （担子菌门，银耳纲）的名称来容纳菌株DMKU-PAL39和DMKU-PAL18。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/09e0321cd2dd/jof-08-00118-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/712eaaf2efc5/jof-08-00118-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/63be42a49ff0/jof-08-00118-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/96baa9f7c369/jof-08-00118-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/09e0321cd2dd/jof-08-00118-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/712eaaf2efc5/jof-08-00118-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/63be42a49ff0/jof-08-00118-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/96baa9f7c369/jof-08-00118-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f67b/8877625/09e0321cd2dd/jof-08-00118-g004.jpg

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