Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Analysis of Genomic Diversity of Endophytic Fungal Strains Isolated from the Roots of Suaeda japonica and S. maritima for the Restoration of Ecosystems in Buan Salt Marsh

부안갯벌 생태계 복원을 위한 칠면초와 해홍나물의 내생진균류에 대한 유전학적 다양성 분석

  • You, Young-Hyun (School of Life Sciences, College of National Sciences, Kyungpook National University) ;
  • Yoon, Hyeokjun (School of Life Sciences, College of National Sciences, Kyungpook National University) ;
  • Seo, Yeonggyo (School of Life Sciences, College of National Sciences, Kyungpook National University) ;
  • Kim, Miae (School of Life Sciences, College of National Sciences, Kyungpook National University) ;
  • Shin, Jae-Ho (School of Applied Biosciences, College of National Sciences, Kyungpook National University) ;
  • Lee, In-Jung (School of Applied Biosciences, College of National Sciences, Kyungpook National University) ;
  • Choo, Yeon-Sik (Department of Biology, College of National Sciences, Kyungpook National University) ;
  • Kim, Jong-Guk (School of Life Sciences, College of National Sciences, Kyungpook National University)
  • Received : 2012.07.30
  • Accepted : 2012.09.12
  • Published : 2012.12.28
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Abstract

Eighty-four endophytic fungal strains were isolated and identified from the roots of halophytes collected in Buan salt marsh. All halophyte samples, such as Suaeda japonica, and Suaeda maritima were isolated from Buan salt marsh. All endophytic fungi isolated were analyzed by sequences of internal transcribed spacer (ITS) containing ITS1, 5.8s and ITS2 region. All endophytic fungi expressed that fungal strains belong to eight orders; Pleosporales (45%), Eurotiales (27%), Incertae sedis (11%), Dothideales (6%), Capnodiales (5%), Hypocreales (5%), and Agaricales (1%). All endophytic fungi were confirmed at the genus level of Ascomycota and Basidiomycota, containing Alternaria, Ascomycota, Aspergillus, Aureobasidium, Cladosporium, Eupenicillium, Fusarium, Gibberella, Hypocrea, Lewia, Macrophoma, Penicillium, Peyronellaea, Phoma, Pleospora, Pleosporales, Pseudeurotium, Schizophyllum, and Talaromyces. Alternaria (21%) and Penicillium (13%) were the dominant endophytic fungal strains. In this study, endophytic fungal strains analyzed from S. japonica and S. maritime, Alternaria (21%), and Penicillium (13%) of Pleosporales and Eurotiales in halophytes were very abundant.

부안갯벌에서 채집된 염생식물 칠면초와 해홍나물의 뿌리로부터 84종의 내생진균을 분리 및 동정하였다. 염생식물 샘플은 칠면초와 해홍나물이 부안갯벌로부터 분리되었다. 모든 내생진균류들은 ITS1, 5.8s와 ITS2를 포함하는 ITS영역의 서열에 의해 분석되었다. 내생진균류들은 Pleosporales (45%), Eurotiales (27%), Incertae sedis (11%), Dothideales (6%), Capnodiales (5%), Hypocreales (5%), 및 Agaricales (1%)에 해당하는 것을 확인하였다. 내생진균류는 자낭균문과 담자균문의 Alternaria속, Ascomycota속, Aspergillus속, Aureobasidium속, Cladosporium속, Eupenicillium속, Fusarium속, Gibberella속, Hocrea속, Lewia속, Macrophoma속, Penicillium속, Peyronellaea속, Phoma속, Pleospora속, Pleosporales속, Pseudeurotium속, Schizophyllum속, 그리고 Talaromyces속이 포함되는 것을 확인하였다. 그리고 alternaria (21%)와 Penicillium (13%)이 우점종인 것을 확인하였다. 본 연구에서는 칠면초와 해홍나물로부터 내생진균을 분리한 결과 Pleosporales 목과 Eurotiales 목의 Alternaria (21%)와 Penicillium (13%)이 가장 많이 분포하는 것으로 나타났다.

Keywords

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