Journal of Plant Research

, Volume 109, Issue 3, pp 339–342 | Cite as

Acute morphological changes of palisade cells ofSaintpaulia leaves induced by a rapid temperature drop

  • Jae Gill Yun
  • Takahiro Hayashi
  • Susumu Yazawa
  • Tetzuya Katoh
  • Yuko Yasuda
Short Communication


Early changes in fine structures of intracellular organelles ofSaintpaulia leaves exhibiting chilling-induced degeneration of photosynthetic activities were investigated by electron microscopy. As early as 3 min after exposure to 10C water, thylakoid lamellae in the palisade cells showed extensive disarrangement, especially in intergrana lamellae. Simultaneously, other organelles showed drastic morphological changes, including the condensation of chromatin in the nucleus.

Key words

Chilling injury Electron microscope Leaf spot Palisaide cell Saintpaulia 


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Copyright information

© The Botanical Society of Japan 1996

Authors and Affiliations

  • Jae Gill Yun
    • 1
  • Takahiro Hayashi
    • 1
  • Susumu Yazawa
    • 1
  • Tetzuya Katoh
    • 2
  • Yuko Yasuda
    • 3
  1. 1.Department of Agronomy and Horticultural Science, Faculty of AgricultureKyoto UniversitySakyo-ku, KyotoJapan
  2. 2.Department of Botany, Faculty of ScienceKyoto UniversitySakyo-ku, KyotoJapan
  3. 3.Louis Pasteur Center for Medical ResearchSakyo-ku, KyotoJapan

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