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Journal of plant biology = 식물학회지 v.48 no.2, 2005년, pp.195 - 200   피인용횟수: 5

Ultrastructural Changes of Cell Organelles in Arabidopsis Stems after Gamma Irradation

Wi Seung Gon    (Division of Radiation Application Research, Korea Atomic Energy Research Institute   ); Chung Byung Yeoup    (Division of Radiation Application Research, Korea Atomic Energy Research Institute   ); Kim Jin-Hong    (Division of Radiation Application Research, Korea Atomic Energy Research Institute   ); Baek Myung-Hwa    (Division of Radiation Application Research, Korea Atomic Energy Research Institute   ); Yang Dae Hwa    (Division of Radiation Application Research, Korea Atomic Energy Research Institute   ); Lee Ju-Woon    (Division of Radiation Application Research, Korea Atomic Energy Research Institute   ); Kim Jae-Sung    (Division of Radiation Application Research, Korea Atomic Energy Research Institute  );
  • 초록

    We examined ultrastructural changes of the cell organelles of Arabidopsis stems in response to gamma irradiation. Seedlings treated with 0 to 5 Gy developed normally, while height growth in plants exposed to 50 Gy was significantly inhibited: Based on TEM observations, the chloroplasts were extremely sensitive to such irradiation. In particular, the thylakoids were heavily swollen, some portions of the mitochondria and endoplasmic reticulum were structurally altered, and the plasmalemma had pulled away from the cell wall in places. However, no ultrastructural changes in cell organelles occurred at doses of 0 to 5 Gy.


  • 주제어

    chloroplast .   gamma irradiation .   thylakoid .   transmission electron microscopy .   ultrastructure.  

  • 참고문헌 (19)

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  • 이 논문을 인용한 문헌 (5)

    1. 2006. "" Journal of plant biology = 식물학회지, 49(1): 1~8     
    2. 2006. "" Journal of plant biology = 식물학회지, 49(2): 180~185     
    3. 2006. "" Journal of plant biology = 식물학회지, 49(3): 261~265     
    4. 2006. "" 환경생물 = Korean journal of environmental biology, 24(2): 155~159     
    5. 2007. "" Journal of plant biology = 식물학회지, 50(4): 396~402     

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  • Chung, Byung-Yeoup (27)

  • Kim, Jin-Hong (21)

  • 백명화 (38)

  • Yang, Dae-Hwa (6)

  • 이주은 (4)

  • 김재성 (83)

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