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Acrophialophora ellipsoidea , an Undescribed Species Isolated from Soil in Korea

한국균학회지 2019년 47권 3호 p.181 ~ 186
 ( Ayim Benjamin Yaw ) - Kyungpook National University College of Agriculture and Life Sciences

김영태 ( Kim Young-Tae ) - Kyungpook National University College of Agriculture and Life Sciences
 ( Das Kallol ) - Kyungpook National University College of Agriculture and Life Sciences
 ( Kang In-Kyu ) - Kyungpook National University College of Agriculture and Life Sciences
 ( Lee Seung-Yeol ) - Kyungpook National University College of Agriculture and Life Sciences
 ( Jung Hee-Young ) - Kyungpook National University College of Agriculture and Life Sciences

Abstract


A designated fungal isolate, KNU-US-1802E was isolated from the soil in Uiseong, Korea.
To identify characteristics of the isolate, it was cultured on PDA media for 6 days at 35°C.
Colonies on PDA are flat, light gray, dense, with entire margins; reverse dark gray to black, with white margins. Aerial mycelia were smooth-walled, hyaline and 40~42 mm diameter after 6 days at 35°C. Conidia were hyaline, one-celled, ellipsoidal to fusiform, forming long chains with average length x width of 5.0±0.3 × 2.9±0.2 μm. Molecular analysis indicates that the internal transcribed spacer (ITS) region and partial beta-tubulin (tub2) gene sequence showed 100% and 99% similarities, respectively with Acrophialophora ellipsoidea CGMCC 3.15255 collected from China. Phylogenetic analysis by the neighbor-joining (NJ) method shows that the KNU-US-1802E was clustered with A. ellipsoidea CGMCC 3.15255 in a phylogenetic tree constructed using the concatenated sequences of ITS region and tub2 gene sequences with a high bootstrap value. Based on these findings, the isolate KNU-US-1802E was identified as Acrophialophora ellipsoidea, and this is the first report of this isolate in Korea.

키워드

Acrophialophora ellipsoidea; Morphological characteristic; Phylogenetic analysis; Soil-inhabitant
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