The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Rust Fungus Pucciniastrum styracinum on Styrax japonicus in Korea Confirmed by Morphological and Molecular Data

형태 및 분자적 특징에 의한 때죽나무 녹병균(Pucciniastrum styracinum)의 재확인

  • Park, Ji-Hyun (Division of Forest Entomology and Pathology, National Institute of Forest Science) ;
  • Jung, Bok-Nam (Division of Forest Entomology and Pathology, National Institute of Forest Science) ;
  • Lee, Jae Sung (Department of Biology, Kunsan National University) ;
  • Choi, Young-Joon (Department of Biology, Kunsan National University) ;
  • Shin, Hyeon-Dong (Division of Environmental Science and Ecological Engineering, Korea University)
  • 박지현 (국립산림과학원 산림병해충연구과) ;
  • 정복남 (국립산림과학원 산림병해충연구과) ;
  • 이재성 (군산대학교 생물학과) ;
  • 최영준 (군산대학교 생물학과) ;
  • 신현동 (고려대학교 환경생태공학부)
  • Received : 2021.09.01
  • Accepted : 2021.12.07
  • Published : 2021.12.31
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Abstract

Styrax japonicus is a deciduous shrub or a small tree belonging to the family Styracaceae. Since 1990, a rust fungus has continuously been found on S. japonicus leaves across the country. The morphological characteristics of the rust fungus were most consistent with those of Pucciniastrum styracinum reported on Styrax obassia in Japan. The species identification was confirmed by molecular phylogenetic analysis of the internal transcribed spacer and large subunit rDNA sequences. The current study provides mycological information with morphological measurements and molecular phylogenetic data of P. styracinum found on S. japonicus in Korea. Therefore, this is the first confirmed report on the presence of P. styracinum on S. japonicus in Korea.

때죽나무는 때죽나무과에 속하는 낙엽 소교목으로 우리나라와 중국, 일본, 대만이 원산이나 캐나다, 미국, 영국 등에도 도입되어 분포하고 있다. 1990년 이후 전국에 분포하는 때죽나무에서 녹병균이 지속적으로 발견되었다. 한국의 때죽나무 녹병균의 형태적 특성은 일본의 쪽동백나무에서 보고된 Pucciniastrum styracinum의 형태적 특성과 가장 유사하였으며 internal transcribed spacer (ITS) 및 28S large subunit (LSU) rDNA의 염기서열의 분자계통학적 분석을 통해 동정을 확인하였다. 본 연구에서는 한국의 때죽나무에서 발견한 녹병균 P. styracinum의 존재를 재확인하였고, 균학적 특성과 형태적 측정치 및 분자적 특성에 대한 정보를 제공하였다.

Keywords

Acknowledgement

This work was supported by the National Institute of Forest Science (FE0100-2018-01) and a National Academy of Agricultural Science grant (PJ0149560112021) from the Rural Development Administration.

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