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KMID : 0379120220500030195
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Korean Journal of Mycology
2022 Volume.50 No. 3 p.195 ~ p.204
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First Report of Xenoroussoella triseptata Isolated from Soil in Korea
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Ryu Jung-Joo
Lee Seung-Yeol
Kang In-Kyu
Ten Leonid N.
Jung Hee-Young
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Abstract
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A fungal strain, designated KNUF-20-NI009, was isolated from soil collected from Gunsansi, Jeollabuk-do, Korea. The isolate showed cultural features typical of the genus Xenoroussoella. Colonies cultivated on malt extract agar were olivaceous-brown to pale olivaceous-white at the margins, with undersides of dark olivaceous to olivaceous-brown and a white margin. The conidia, with a size range of 2.7-5.1×1.6-3.3 μm (x=3.6×2.6 μm, ? n=50), were globoid to ellipsoid in shape, hyaline when immature, becoming light brown to golden-brown when mature, and characterized by 1 or 2 guttules. Multi-locus sequence analysis based on a combined dataset of internal transcribed spacer regions (ITS), large subunit rDNA (LSU), small subunit rDNA (SSU), translation elongation factor 1-alpha (TEF1α), and RNA polymerase II largest subunit (RPB2) sequences revealed KNUF-20-NI009 to be a strain of Xenoroussoella triseptata. This is the first report of this species in Korea.
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KEYWORD
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Morphological characteristic, Phylogenetic analysis, Xenoroussoella
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