Molecular Phylogeny and Morphology of Tolypocladium globosum sp. nov. Isolated from Soil in Korea.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-01-01 DOI:10.1080/12298093.2023.2192614

Kallol Das, Jung-Joo Ryu, Soo-Min Hong, Seong-Keun Lim, Seung-Yeol Lee, Hee-Young Jung

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Abstract

In this study, fungal strains designated as KNUF-22-14A and KNUF-22-15A were isolated from soil samples in Korea. These two strains were identified based on cultural and morphological characteristics as well as phylogenetic analyses and were found to be morphologically and phylogenetically identical. Upon their morphological comparison with closely related species, such as Tolypocladium album, T. amazonense, T. endophyticum, T. pustulatum, and T. tropicale, a difference in the size of short phialides [0.6-2.4(-9.3) × 0.8-1.4 µm] was observed. Meanwhile, these strains had larger conidia (1.2-3.0 × 1.2-3.0 µm) than T. album, T. amazonense, T. endophyticum, and T. tropicale and smaller conidia than T. pustulatum. Phylogenetic analyses using a multi-locus datasets based on ITS, LSU, and SSU showed that KNUF-22-14A and KNUF-22-15A formed a distinct cluster from previously identified Tolypocladium species. Thus, these fungal strains isolated from soil in Korea are proposed as a novel species according to their characteristics and are named Tolypocladium globosum sp. nov.

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韩国土壤中球蓼的分子系统发育与形态研究。

本研究从韩国土壤样品中分离到真菌菌株KNUF-22-14A和KNUF-22-15A。根据培养和形态特征以及系统发育分析对这两个菌株进行了鉴定，发现形态和系统发育完全相同。通过与近缘种(如T. polypocladium album、T. amazonense、T. endophyticum、T. pustulatum和T. tropicale)的形态比较，发现它们的短杯柄大小在0.6-2.4(-9.3)× 0.8-1.4µm之间存在差异。同时，这些菌株的分生孢子(1.2 ~ 3.0 × 1.2 ~ 3.0µm)均大于T. album、T. amazonense、T. endophyticum和T. tropicale，小于T. pustulatum。基于ITS、LSU和SSU的多位点数据集进行系统发育分析表明，KNUF-22-14A和KNUF-22-15A与先前鉴定的toolypocladium属形成一个不同的聚类。因此，这些从韩国土壤中分离的真菌根据其特征被认为是一个新种，并被命名为toolypocladium globosum sp. nov。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.