Study of endophytic Xylariaceae in Thailand: diversity and taxonomy inferred from rDNA sequence analyses with saprobes forming fruit bodies in the field

  • Okane Izumi
    NITE Biological Resource Center (NBRC), Department of Biotechnology, National Institute of Technology and Evaluation (NITE)
  • Srikitikulchai Prasert
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • Toyama Kyoko
    NITE Biological Resource Center (NBRC), Department of Biotechnology, National Institute of Technology and Evaluation (NITE)
  • Læssøe Thomas
    Department of Biology, University of Copenhagen
  • Sivichai Somsak
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • Hywel-Jones Nigel
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • Nakagiri Akira
    NITE Biological Resource Center (NBRC), Department of Biotechnology, National Institute of Technology and Evaluation (NITE)
  • Potacharoen Wanchern
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • Suzuki Ken-ichiro
    NITE Biological Resource Center (NBRC), Department of Biotechnology, National Institute of Technology and Evaluation (NITE)

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<p>A study of the diversity, taxonomy, and ecology of endophytic Xylariaceae (Ascomycota) was carried out. In this study, we obtained isolates of Xylariaceae from healthy, attached leaves and teleomorphic stromata on decayed plant materials in a permanent plot at Khao Yai National Park (Thailand). In addition, strains deposited beforehand were selected in which both endophytic strains isolated from living plant tissues and saprobic strains from fruit bodies were included. Consequently, 405 strains of Xylariaceae (273 endophytic and 132 saprobic strains, including identified strains) were studied to reveal the diversity and taxonomy of endophytes and the relationships between those endophytes and saprobic Xylariaceae in Thailand that have been recorded according to fruit-body formation on decayed plant materials. Analysis of 28S rDNA D1/D2 sequences revealed 21 xylariaceous species inhabiting tropical foliage at the site, and several species that are already known as saprobes appear to be among those isolated from living leaves. Furthermore, several clades that consisted of only endophytic strains were found, and some of these have no known matches in public DNA sequence banks.</p>

収録刊行物

  • Mycoscience

    Mycoscience 49 (6), 359-372, 2008

    一般社団法人 日本菌学会

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