The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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First Report of Phaeosphaeria chengduensis Isolated from Gametis jucunda in Korea

  • Soo-Min Hong (Department of Plant Medicine, Kyungpook National University) ;
  • Seong-Keun Lim (Department of Plant Medicine, Kyungpook National University) ;
  • Young-Kun Kim (Department of Plant Medicine, Kyungpook National University) ;
  • Sang Jae Suh (Department of Plant Medicine, Kyungpook National University) ;
  • Leonid N. Ten (Institute of Plant Medicine, Kyungpook National University) ;
  • Seung-Yeol Lee (Department of Plant Medicine, Kyungpook National University) ;
  • Hee-Young Jung (Department of Plant Medicine, Kyungpook National University)
  • Received : 2024.04.22
  • Accepted : 2024.06.14
  • Published : 2024.06.30
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Abstract

A fungal strain, KNUF-4H-A belonging to the genus Phaeosphaeria was isolated from the citrus flower chafer (Gametis jucunda) in Chungcheongbuk-do, Korea. This strain was further identified as Phaeosphaeria chengduensis through phylogenetic analyses based on a concatenated dataset of DNA sequences of internal transcribed spacer (ITS) regions, as well as the small subunit rDNA (SSU), large subunit rDNA (LSU), RNA polymerase II second largest subunit (RPB2), and translation elongation factor 1-α (TEF1-α) genes. The isolate KNUF-4H-A exhibited typical cultural characteristics of P. chengduensis, producing colonies that were flattened, greenish-grey at the edges, grey-white at the center, and dark brown on the reverse side. Phaeosphaeria species have been reported in various ecosystems, including terrestrial and freshwater environments. The isolation of KNUF-4H-A from the citrus flower chafer provides valuable insights into the habitat diversity of Phaeosphaeria. This is the first record of Phaeosphaeria chengduensis in Korea.

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 [NIBR202333201].

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