Mutagenic and Physiological Effects on bacterial cells by Exposure to Magnetic Fields

  • Kakikawa M.
    Graduate School of Natural Science and Technology, Kanazawa University
  • Hosono R.
    School of Medicine, Kanazawa University
  • Hashimoto S.
    Institute of Nature and Environmental Technology, Kanazawa University
  • Iwahara M.
    Faculty of Engineering, Kanazawa University
  • Yamada S.
    Institute of Nature and Environmental Technology, Kanazawa University

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Other Title
  • 磁界による細菌細胞のDM損傷及び生理状態への影響
  • 磁界による細菌細胞のDNA損傷および生理状態への影響
  • ジカイ ニ ヨル サイキン サイボウ ノ DNA ソンショウ オヨビ セイリ ジョウタイ エ ノ エイキョウ

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Abstract

In this study, we investigated whether extremely low frequency magnetic fields (ELFMF) induce DNA damage or physiological abnormality in the bacterial cell using bacteriophage λ. By exposure to magnetic fields for about 8 hours, the bacteriophages shifted to lytic growth 2 times as often as control. The mitomycin C, mutagenic reagent, was shifted the bacteriophages from lysogenic to lytic growth 46-times as often as control. These results suggested that ELF magnetic field (60 Hz, 45 mT) did not induce DNA damage in the bacterial cell as mitomycin C. But ELF magnetic field (60 Hz, 45 mT) might induce physiological damage in the bacterial cells.

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