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Environmental biosafety assessment on transgenic <i>Eucalyptus globulus</i> harboring the choline oxidase (<i>codA</i>) gene in semi-confined condition

  • Yu Xiang
    Faculty of Life and Environmental Sciences, Gene Research Center, University of Tsukuba
  • Kikuchi Akira
    Faculty of Life and Environmental Sciences, Gene Research Center, University of Tsukuba
  • Matsunaga Etsuko
    Agri-Biotechnology Research Laboratory, Nippon Paper Industries Co. Ltd.
  • Shimada Teruhisa
    Agri-Biotechnology Research Laboratory, Nippon Paper Industries Co. Ltd.
  • Watanabe Kazuo N.
    Faculty of Life and Environmental Sciences, Gene Research Center, University of Tsukuba

Bibliographic Information

Other Title
  • Environmental biosafety assessment on transgenic Eucalyptus globulus harboring the choline oxidase (codA) gene in semi-confined condition

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Abstract

Transgenic woody plants have been rapidly developed in recent years, and the commercial use of these transgenic plants has been recognized as an important approach to solving environmental and food problems. Concomitantly, the potential impact of transgenic woody plants on peripheral ecosystems should be considered before they are released for practical commercial use. In this study, we have used environmental biosafety assessments to evaluate three lines of transgenic Eucalyptus globulus that harbor the choline oxidase (codA) gene and have previously been proven to have different levels of salt tolerance. The assessments included two allelopathy bioassays and a survey on rhizosphere microbes, which have shown practicability in other transgenic plants. The two allelopathy bioassays were used for evaluating the potential impact of the transformants on the surrounding vegetation. The survey on rhizosphere microbes was performed to investigate the potential impact of transformants on the rhizosphere microbe community. The results indicated there was no significant difference between the transformants and non-transformants with respect to the impact on the surrounding vegetation and the rhizosphere microbe community. A combination of our biological evaluation of E. globulus was then used to successfully obtain approval for the plantation of transgenic E. globulus in a Type I field trial in Tsukuba.

Journal

  • Plant Biotechnology

    Plant Biotechnology 30 (1), 73-76, 2013

    Japanese Society for Plant Biotechnology

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Details

  • CRID
    1390282679305592832
  • NII Article ID
    10031163821
  • NII Book ID
    AA11250821
  • DOI
    10.5511/plantbiotechnology.12.1026a
  • COI
    1:CAS:528:DC%2BC3sXnsVOqsLg%3D
  • ISSN
    13476114
    13424580
  • NDL BIB ID
    024392898
  • Text Lang
    en
  • Data Source
    • JaLC
    • NDL
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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