[논문]A New Report on Three Species of Sordariomycetes Class Isolated from Soil in Korea

Das, Kallol; Lee, Seung-Yeol; Jung, Hee-Young

doi:10.4489/kjm.20180017

A New Report on Three Species of Sordariomycetes Class Isolated from Soil in Korea 원문보기

한국균학회지 = The Korean journal of mycology, v.46 no.2, 2018년, pp.134 - 144

Das, Kallol (College of Agriculture and Life Sciences, Kyungpook National University) , Lee, Seung-Yeol (College of Agriculture and Life Sciences, Kyungpook National University) , Jung, Hee-Young (College of Agriculture and Life Sciences, Kyungpook National University)

Abstract ▼ AI-Helper

Three fungal strains belonging to the class Sordariomycetes, namely BH-06, 17-039 and BE12-1, were isolated from soils in Korea and identified as Chaunopycnis alba, Myrothecium cinctum and Humicola olivacea, respectively. These species were confirmed according to their morphological characteristics and phylogenetic relationships determined based on internal transcribed spacer regions, as well as large subunit, small subunit, ${\beta}$-Tubulin and RNA polymerase II largest subunit sequences of ribosomal DNA. These three species are the first members of the Sordariomycetes reported in Korea.

주제어

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문제 정의

The objectives of this study were to analyze the unidentified fungi included in the Sordariomycetes class as well as to determine the phylogenetic placement and illustration of these distinctive fungi. To this end, we isolated numerous morphologically distinct fungal strains during an investigation of unrecorded fungal species in Korea.
This research was supported by a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea for the project on survey and discovery of indigenous fungal species.

대상 데이터

The soil samples were collected from Daegu, Korea in 2017. The soils were collected from depth (15 to 30 cm) using sterile spatula and transferred to polythene zipper bags and then brought to the laboratory and stored under refrigeration.

데이터처리

The evolutionary distance matrices were generated based on the Kimura’s neighbor-joining algorithm model [16]. The phylogenetic analyses were performed using the program MEGA 7 [17] with bootstrap values based on 1,000 replications.

이론/모형

The evolutionary distance matrices were generated based on the Kimura’s neighbor-joining algorithm model [16].
The sequences of the Korean our isolates were compared with reference sequences from the GenBank database of the National Center for Biotechnology Information (NCBI), using the basic local alignment search tool (BLAST). The evolutionary distance matrices were generated based on the Kimura’s neighbor-joining algorithm model [16].

성능/효과

6) inferred from a combined dataset of ITS, LSU, βTubulin, RPB2 sequences revealed that the isolate BE12-1 was closely clustered with the Humicola olivacea strain (CBS 142031 or DTO 319-C7) with a high sequence similarity of 99%.
Nucleotide sequences of ITS were analyzed to infer the evolutionary relationships of the isolates of BH-06 with the previously described species of Chaunopycnis alba (Table 2). The phylogenetic analysis (Fig.
The evolutionary relationship were inferred based on the large subunit (LSU) and small subunit (SSU) sequences of the isolate 17-039 in comparison with strains of the previously described species of Myrothecium cinctum (Table 2). Phylogenetic analyses (Fig.
To this end, we isolated numerous morphologically distinct fungal strains during an investigation of unrecorded fungal species in Korea. The results of this screening of unrecorded fungal strain would not only be a useful tool for the identification of indoor Sordariomycetes but also provide a new insight into phylogeny of the class Sordariomycetes. To the best of our knowledge, three soil-inhabiting fungi identified through this study are new to Korea.

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DOI : 10.4489/KJM.20180017
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