Photosystem I is an early target of photoinhibition in barley illuminated at chilling temperatures.

  title={Photosystem I is an early target of photoinhibition in barley illuminated at chilling temperatures.},
  author={Staffan Erling Tjus and Birger Lindberg M\oller and Henrik Vibe Scheller},
  journal={Plant physiology},
  volume={116 2},
Light-induced damage to photosystem I (PSI) was studied during low-light illumination of barley (Hordeum vulgare L.) at chilling temperatures. A 4-h illumination period induced a significant inactivation of PSI electron transport activity. Flash-induced P700 absorption decay measurements revealed progressive damage to (a) the iron-sulfur clusters FA and FB, (b) the iron-sulfur clusters FA, FB, and FX, and (c) the phylloquinone A1 and the chlorophyll AO or P700 of the PSI electron acceptor chain… CONTINUE READING
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