Mycobiology

The Korean Society of Mycology (한국균학회)
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Molecular and Morphological Characteristics of a New Species Collected from an Insect (Cicindela transbaicalica) in Korea

  • Lee, Ju-Heon (College of Agriculture and Life Sciences, Kyungpook National University) ;
  • Ten, Leonid N. (College of Agriculture and Life Sciences, Kyungpook National University) ;
  • Lim, Seong-Keun (College of Agriculture and Life Sciences, Kyungpook National University) ;
  • Ryu, Jung-Joo (College of Agriculture and Life Sciences, Kyungpook National University) ;
  • Avalos-Ruiz, Diane (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)
  • Received : 2022.03.03
  • Accepted : 2022.05.18
  • Published : 2022.08.31
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Abstract

To exploit insect-derived fungi, insects were collected from seven different regions in Korea, including Gyeongbuk, Goryeong, and several fungi were isolated from them. A fungal strain designated 21-64-D was isolated from riparian tiger beetle (Cicindela transbaicalica) and morphologically identified as a species belonging to the genus Oidiodendron. Phylogenetic analysis using the nucleotide sequences of internal transcribed spacer (ITS) regions and the partial sequence of the large subunit of the nuclear ribosomal RNA (LSU) gene revealed the distinct phylogenetic position of the isolate among recognized Oidiodendron species including its closest neighbors O. chlamydosporicum, O. citrinum, O. maius, and O. pilicola. The hyphal and conidial morphology of the strain, particularly club-shaped hyphae, clearly differentiated it from its close relatives. Results indicated that 21-64-D is a novel species in the genus Oidiodendron, for which the name Oidiodendron clavatum sp. nov. is proposed.

Keywords

Acknowledgement

This work was supported by a grant from the National Institute of Biological Resources, funded by the Ministry of Environment of the Republic of Korea [NIBR202130202].

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