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KMID : 0379120200480030187
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Korean Journal of Mycology
2020 Volume.48 No. 3 p.187 ~ p.195
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Morphological and phylogeny of Plenodomus sinensis and P. collinsoniae, two unreported species isolated from soil in Korea
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Moe Than Naing
Das Kallol
Kang In-Kyu
Lee Seung-Yeol
Jung Hee-Young
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Abstract
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Two unreported fungal isolates, KNU-GW1901 and KNU-AP100C, were collected from soil sample in Gyeongsangbuk-do, Korea. Their cultural and morphological characteristics were examined after 4 weeks of incubation at 25℃ on potato dextrose agar (PDA), malt extract agar (MEA), and oatmeal agar (OA). The conidial shape of KNU-GW1901 was aseptate, hyaline, globose to ellipsoidal, oblong, and reniform to pyriform and 2.61-4.97×1.93-3.61 μm in size, whereas no conidial structures were observed in KNU-AP100C. The internal transcribed spacer (ITS) regions, large subunit (LSU), and small subunit (SSU) sequences were used to determine the taxonomic positions of the strains using the maximum likelihood phylogenetic tree. The isolate KNU-GW1901 was closely clustered with Plenodomus sinensis MFLUCC 17- 0767, and KNU-AP100C was closely matched with P. collinsoniae CBS 120227. Based on the findings of morphological, cultural, and phylogenetic analysis, the isolates KNU-GW1901 and KNU-AP100C were identical to the previously described P. sinensis and P. collinsoniae isolates, respectively, which are first reported in Korea.
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KEYWORD
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Genus Plenodomus, Morphological characteristics, Phylogenetic analysis
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