Ion Beam as a Noble Tool to Induce Apoptosis-Like Cell Death in Roots of Maize (Zea mays L.).

DOI Web Site 被引用文献1件 参考文献26件
  • KAWAI Maki
    Institute of Molecular and Cellular Biosciences, University of Tokyo Advanced Science Research Center, Japan Atomic Energy Research Institute
  • KOBAYASHI Yasuhiko
    Advanced Science Research Center, Japan Atomic Energy Research Institute
  • HIRATA Aiko
    Institute of Molecular and Cellular Biosciences, University of Tokyo
  • OONO Yutaka
    Advanced Science Research Center, Japan Atomic Energy Research Institute
  • WATANABE Hiroshi
    Advanced Science Research Center, Japan Atomic Energy Research Institute
  • UCHIMIYA Hirofumi
    Institute of Molecular and Cellular Biosciences, University of Tokyo Advanced Science Research Center, Japan Atomic Energy Research Institute

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Maize seedlings were irradiated with 20Ne8+ generated by the AVF cyclotron. The growth suppression at the different dosages of ion beam was observed in both root and coleoptile. DNA laddering was also observed at the dosage over 100Gy. In addition, abnormal morphological changes including chromatin condensation, typical of apoptosis in animal cells, were noted by light and electron microscopy. Our results indicate that the ion beam can serve as an effective tool to induce apoptosis-like cell death in plant cells.

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