Pseudobensingtonia carpini sp. nov., a novel yeast species isolated from plant leaves in China.

IF 2 3区生物学 Q4 MICROBIOLOGY International journal of systematic and evolutionary microbiology Pub Date : 2025-01-01 DOI:10.1099/ijsem.0.006642

Chun-Yue Chai, Bing-Yan Song, Dan Lu, Cai-Ying Zhang, Feng-Li Hui

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Abstract

Two novel yeast strains, NYNU 236247 and NYNU 23523, were isolated from the leaves of Carpinus turczaninowii Hance, collected in the Tianchi Mountain National Forest Park, Henan Province, central China. Phylogenetic analysis of the D1/D2 domain of the large subunit rRNA gene and the internal transcribed spacer (ITS) region revealed the closest relatives of the strains are three described Pseudobensingtonia species: Ps. fusiformis, Ps. musae and Ps. ingoldii. The novel species differed from the type strains of these three species by 12 to 22 nucleotide substitutions and 1 gap (~2.0-4.0%) in the D1/D2 domain and by 78 to 100 nucleotide mismatches (~12.0-16%) in the ITS region. Physiologically, the novel species differs from Ps. fusiformis and Ps. musae in its ability to assimilate dl-lactate and melezitose and from Ps. ingoldii by its inability to assimilate melibiose, soluble starch and ethanol. Pseudobensingtonia carpini sp. nov. is proposed for those two strains, with the holotype designated as GDMCC 2.483^T (MycoBank MB 857072).

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从中国植物叶片中分离出的新酵母菌 Pseudobensingtonia carpini sp.

从河南天池山国家森林公园采伐的红枣叶片中分离到两株新型酵母菌NYNU 236247和NYNU 23523。大亚基rRNA基因的D1/D2结构域和内部转录间隔区（ITS）的系统发育分析显示，该菌株的最近亲缘关系是3个已描述的Pseudobensingtonia种：Ps. fusiformis、Ps. musae和Ps. ingoldii。该新种与3种类型菌株在D1/D2结构域中存在12 ~ 22个核苷酸替换和1个缺口（~2.0 ~ 4.0%），在ITS区域存在78 ~ 100个核苷酸错配（~12.0 ~ 16%）。在生理上，新物种不同于纺丝虫和musae的是其吸收dl-乳酸和melezitose的能力，而不同于ingoldii的是其不能吸收melli二糖、可溶性淀粉和乙醇。这两种菌株被认为是carpini Pseudobensingtonia sp. 11 .，其全型命名为GDMCC 2.483T （MycoBank MB 857072）。

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来源期刊

International journal of systematic and evolutionary microbiology 生物-微生物学

CiteScore

5.20

自引率

21.40%

发文量

426

审稿时长

1 months

期刊介绍： Published by the Microbiology Society and owned by the International Committee on Systematics of Prokaryotes (ICSP), a committee of the Bacteriology and Applied Microbiology Division of the International Union of Microbiological Societies, International Journal of Systematic and Evolutionary Microbiology is the leading forum for the publication of novel microbial taxa and the ICSP’s official journal of record for prokaryotic names. The journal welcomes high-quality research on all aspects of microbial evolution, phylogenetics and systematics, encouraging submissions on all prokaryotes, yeasts, microfungi, protozoa and microalgae across the full breadth of systematics including: Identification, characterisation and culture preservation Microbial evolution and biodiversity Molecular environmental work with strong taxonomic or evolutionary content Nomenclature Taxonomy and phylogenetics.