The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Key to the Korean Nematode-Trapping Fungi with Additional Descriptions of Arthrobotrys flagrans and A. superba

한국 선충 포식성곰팡이 분류검색표 및 Arthrobotrys flagrans 와 A. superba의 재기재

  • Seo, Jongmin (Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University) ;
  • Kang, Heonil (Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University) ;
  • Kwon, Giyoon (Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University) ;
  • Park, Namsook (Nematode Research Center, Life and Industry Convergence Institute, Pusan National University) ;
  • Bae, Changhwan (Biological and Genetic Resource Assessment Division, National Institute of Biological Resource) ;
  • Choi, Insoo (Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University)
  • 서종민 (부산대학교 생명자원과학대학 식물생명과학과) ;
  • 강헌일 (부산대학교 생명자원과학대학 식물생명과학과) ;
  • 권기윤 (부산대학교 생명자원과학대학 식물생명과학과) ;
  • 박남숙 (부산대학교 생명산업융합연구원 선충연구센터) ;
  • 배창환 (환경부 국립생물자원관 생물자원활용부) ;
  • 최인수 (부산대학교 생명자원과학대학 식물생명과학과)
  • Received : 2019.07.26
  • Accepted : 2019.11.01
  • Published : 2019.12.31
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Abstract

Nematophagous fungi can capture, kill, and digest nematodes using a specific capturing organ. Of the nematophagous fungi, while Arthrobotrys flagrans and A. superba have been described previously, certain characteristics have not been described. For a detailed description of the two nematophagous fungi, the fungi were isolated from soil samples and produced in a pure culture. Morphological characteristics, such as predatory ability (according to the nematode species), shape, and size of predatory organ, conidia, and chlamydospore were investigated and they were used for identification of the fungal isolates along with molecular phylogenetic analysis. Furthermore, this study provides the classification key for 21 nematophagous species.

선충 포식성곰팡이는 선충 포획 기관을 만들어 선충 포획 후 양분을 섭취하는 곰팡이다. 이들 중 Arthrobotrys flagrans와A. superba에 대한 특성들 중 보고될 때 생략된 것이 있어 두 종을 토양으로 부터 분리하고 순수배양하여 추가적으로 조사하였다. 선충 종류별 포식력, 포식기관의 형태·크기, 분생포자의 형태·크기, 분생포자병의 형태, 후막포자 등을 조사하였으며, ITS rDNA 염기서열의 분자계통학적 분석을 토대로 종 동정을 실시하였다. 또한 1981년 처음으로 선충 포식성곰팡이가 국내에서 보고된 이래로 현재까지 총 21종이 발견되었으나 이들에 대한 분류 체계와 주요 식별 형질이 없는 상황이었기에 제공하였다. 이를 바탕으로 아직 연구가 많이 진행되지 않은 국내 선충 포식성곰팡이 연구에 기초자료가 될 수 있기를 기대한다.

Keywords

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