The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Diversity of Endophytic Fungi Isolated from Hydrophytes in Wetland of Nakdong River

낙동강 지류의 하천 습지에 자생하는 수생식물에서 분리된 내생균류의 다양성

  • You, Young-Hyun (School of Life Science, Kyungpook National University) ;
  • Lee, Myung-Chul (National Agrobiodiversity Center, National Academy of Agricultural Science, RDA) ;
  • Kim, Jong-Guk (School of Life Science, Kyungpook National University)
  • Received : 2015.03.09
  • Accepted : 2015.03.22
  • Published : 2015.03.31
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Abstract

Endophytic fungal strains were isolated from 5 aquatic plant species (Trapa japonica, Miscanthus sacchariflorus, Oenanthe javanica, Typha orientalis and Zizania latifolia) native to river wetland of tributary in Nakdong river. Total 34 strains were purely isolated, and then its internal transcribed spacer (ITS) regions were amplified. After that, phylogenetic analysis based on ITS sequences and deduction of diversity indices were done. Fungal isolates were belonged to 17 genera, concretely in Acremonium, Alternaria, Aspergillus, Cladosporium, Emericellopsis, Fusarium, Galactomyces, Leptosphaeria, Microsphaeropsis, Penicillium, Peyronellaea, Phoma, Pseudeurotium, Rhizomucor, Talaromyces, Trematosphaeria and Zalerion. Especially, fungal isolates were distributed intensively in genera Alternaria and Talaromyces. This study deals with the diversity of endophytic fungal species that showing symbiotic relationship with their host aquatic plants.

낙동강 지류의 하천에 자생하는 5종류의 수생식물인 마름, 물억새, 미나리, 부들, 및 줄을 채집하였다. 수생식물의 뿌리에서 분리된 34균주의 내생균류는 ITS영역 염기 서열을 분석하였다. 분리된 모든 내생균류들에 대하여 다양성 지수와 계통분석을 수행하였다. 내생균류는 17속으로서, Acremonium속, Alternaria속, Aspergillus속, Cladosporium속, Emericellopsis속, Fusarium속, Galactomyces속, Leptosphaeria속, Microsphaeropsis속, Penicillium속, Peyronellaea속, Phoma속, Pseudeurotium속, Rhizomucor속, Talaromyces속, Trematosphaeria속, Zalerion속 등이 분리되었다. 5종류의 수생식물에서 Alternaria, Talaromyces속의 균류들이 비교적 많이 분포하고 있었다. 본 연구는 낙동강 지류의 하천 습지에 자생하는 수생식물 군락에서 공생하는 내생균류의 다양성에 대한 연구이다.

Keywords

References

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