A new yeast genus, Tetrapisispora gen. nov.: Tetrapisispora iriomotensis sp. nov., Tetrapisispora nanseiensis sp. nov. and Tetrapisispora arboricola sp. nov., from the Nansei Islands, and reclassification of Kluyveromyces phaffii (van der Walt) van der Walt as Tetrapisispora phaffii comb. nov.

International journal of systematic bacteriology Pub Date : 1999-10-01 DOI:10.1099/00207713-49-4-1915

K Ueda-Nishimura, K Mikata

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引用次数: 26

Abstract

Seven strains of three new yeast species were isolated from soil, flowers and leaves in the Nansei Islands, Japan. These isolates most closely resembled Kluyveromyces phaffii in physiological characteristics and nuclear DNA base composition (30-32 mol% G + C), but on the basis of DNA-DNA hybridization and electrophoretic karyotyping they were categorized into three new species different from K. phaffii. Phylogenetic analysis using 18S rRNA gene sequences showed that the three new species and K. phaffii were highly related to one another and phylogenetically separate from the members of other species. On the basis of phylogeny and physiological characters, it is proposed that the three new species represent novel taxa and should be designated Tetrapisispora iriomotensis gen. nov., sp. nov. (type strain IFO 10929T), Tetrapisispora nanseiensis gen. nov., sp. nov. (type strain IFO 10899T) and Tetrapisispora arboricola gen. nov., sp. nov. (type strain IFO 10925T), while Kluyveromyces phaffii becomes Tetrapisispora phaffii comb. nov.

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一个新的酵母属，Tetrapisispora gen.nov.：来自南塞群岛的Tetrapisis pora irimotiensis sp.nov.、Tetrapissipora nanseiensis sp.nov..和Tetrapirispora arbricola sp.nov.nov.，并将Kluyveromyces phaffini（van der Walt）vander Walt重新分类为Tetrapistispora phaffini comb。新

从日本西南群岛的土壤、花和叶子中分离到了3个新的酵母菌种，共7株。这些分离株在生理特征和核DNA碱基组成(30 ~ 32 mol% G + C)上与法菲克卢维菌最为相似，但根据DNA-DNA杂交和电泳核型将它们划分为不同于法菲克卢维菌的3个新种。利用18S rRNA基因序列进行系统发育分析表明，这3个新种与菲氏K.具有高度亲缘关系，在系统发育上与其他种成员分离。根据系统发育和生理特征，提出这3个新种代表了新分类群，应命名为:iriomotensis gen. nov.， sp. 11(型菌株IFO 10929T)、tetrapispora nanseiensis gen. nov.， sp. 11(型菌株IFO 10899T)和tetrapispora arboricola gen. nov.， sp. 11(型菌株IFO 10925T)，而Kluyveromyces phaffii则命名为:tetrapispora phaffii comb。11月。

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International journal of systematic bacteriology

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