Metal Accumulation and Tolerance in Artemisia indica var. maximowiczii (Nakai) H. Hara. and Fallopia sachalinensis (F.Schmidt) Ronse Decr., a Naturally Growing Plant Species at Mine Site

DOI Web Site 42 References Open Access
  • Xingyan Lu
    Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba 305-8587, Japan
  • Keiko Yamaji
    Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba 305-8587, Japan
  • Toshikatsu Haruma
    Advanced Science Research Center, Japan Atomic Energy Agency, 2-4, Shirakata, Tokai, Naka, Ibaraki 319-1195, Japan
  • Mitsuki Yachi
    Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba 305-8587, Japan
  • Kohei Doyama
    Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba 305-8587, Japan
  • Shingo Tomiyama
    Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan

Description

<jats:p>For growing plants at mine sites, plant species that accumulate metals in tissues and are tolerant to high metal concentrations should be selected from the perspective of phytostabilization. However, the eco-chemical or elemental information of the plant species at the mine sites is limited. The purpose of this study was to identify plants that can adapt to natural growth at mine sites, via: (1) vegetation survey, (2) elemental analysis in soil and plants, and (3) detoxicant detection in plant cells. Our vegetation survey indicated that plants growing at our study site are consistent with plant species confirmed at other mine sites in previous reports. A. indica var. maximowiczii and F. sachalinensis, present at the mine site, highly accumulated Fe, Al, and Cu in the roots, indicating their metal tolerance. Furthermore, A. indica var. maximowiczii produced detoxicants such as chlorogenic acid and 3,5-dicaffeoylquinic acid in the roots, which exhibited high antioxidative activity that would play an important role in metal tolerance in A. indica var. maximowiczii. This study will be effective in providing fundamental information on phytostabilization at mine sites.</jats:p>

Journal

  • Minerals

    Minerals 11 (8), 806-, 2021-07-26

    MDPI AG

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