Copper-mediated Lipid Peroxidation Processes in Photosynthetic Membranes.

  title={Copper-mediated Lipid Peroxidation Processes in Photosynthetic Membranes.},
  author={G erhard Sandmann and P eter B{\"o}ger},
  journal={Plant physiology},
  volume={66 5},
The phytotoxic effect of Cu via the photosynthetic electron transport system was studied with isolated spinach chloroplasts. Cu(II) ions induce a light-driven peroxidation of membrane lipids leading to ethylene formation, the latter dominating over a concurrent ethane production. Seemingly, the hydroxyl radical originating from superoxide anion is the starting reactive O(2) species. Cu ions inhibit photosynthetic electron transport and apparently catalyze the formation of hydroxyl radical and… CONTINUE READING


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