Min-Gyu Kim, Seong-Keun Lim, Jun-Woo Choi, Jaeduk Goh, Chang Soo Lee, Hye Yeon Mun, Seung-Yeol Lee, Hee-Young Jung
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引用次数: 0
摘要
在忠北、京畿、江原、庆北、庆南等地的淡水和近淡水土壤中,分离出7株真菌,并根据内部转录间隔区(ITS)序列分析确定为青霉菌属。通过观察形态学特征并基于部分ITS、β-微管蛋白、钙调蛋白和RNA聚合酶II亚基基因序列进行系统发育分析进行鉴定。系统发育分析表明,菌株NNIBRFG6577不同于已知的青霉菌种,并与最近的近缘种P. scruposum CGMCC 3.25167T和P. subbasperum CGMCC 3.25173T进行形态比较,认为其为新种。菌株NNIBRFG4823、NNIBRFG4610和NNIBRFG4600分别与P. ellipsoideum CGMCC 3.25156T、P. skrjabinii CBS 439.75T和P. yezoense CBS 350.59T亲缘关系密切,而菌株NNIBRFG1486、NNIBRFG48324和NNIBRFG49919与P. pancosmium CBS 276.75T聚类,均表现出与其参考菌株相似的形态特征。这些发现丰富了韩国的真菌库存,为未来有价值的资源开发提供了基础。
Identification and Characterization of Five Previously Unrecorded Penicillium Species of Subgenus Aspergilloides Isolated in Korea.
In a survey of freshwater and near-freshwater soils in Chungbuk, Gyeonggi, Gangwon, Gyeongbuk, and Gyeongnam provinces in Korea, seven fungal strains were isolated and identified as members of the genus Penicillium based on the internal transcribed spacer (ITS) regions sequence analyses. Identification was performed through observing morphological characteristics and conducting phylogenetic analyses based on concatenated partial ITS, β-tubulin, calmodulin, and RNA polymerase II subunit gene sequences. The phylogenetic analyses revealed that strain NNIBRFG6577 was distinct from known Penicillium species, and based on morphological comparisons with the closest related species, P. scruposum CGMCC 3.25167T and P. subasperum CGMCC 3.25173T, it was proposed as a novel species. Strains NNIBRFG4823, NNIBRFG4610, and NNIBRFG4600 were closely related to P. ellipsoideum CGMCC 3.25156T, P. skrjabinii CBS 439.75T, and P. yezoense CBS 350.59T, respectively, while strains NNIBRFG1486, NNIBRFG48324, and NNIBRFG49919 clustered with P. pancosmium CBS 276.75T, and all strains showed morphological characteristics similar to those of their respective reference strains. These findings enrich Korea's fungus inventory, providing a basis for valuable future resource development.
期刊介绍:
Mycobiology is an international journal devoted to the publication of fundamental and applied investigations on all aspects of mycology and their traditional allies. It is published quarterly and is the official publication of the Korean Society of Mycology. Mycobiology publishes reports of basic research on fungi and fungus-like organisms, including yeasts, filamentous fungi, lichen fungi, oomycetes, moulds, and mushroom. Topics also include molecular and cellular biology, biochemistry, metabolism, developmental biology, environmental mycology, evolution, ecology, taxonomy and systematics, genetics/genomics, fungal pathogen and disease control, physiology, and industrial biotechnology using fungi.