Production and diffusion of chloroplastic H2O2 and its implication to signalling.

  title={Production and diffusion of chloroplastic H2O2 and its implication to signalling.},
  author={Maria M Mubarakshina and Boris N. Ivanov and Ilya A Naydov and Warwick Hillier and Murray R. Badger and Anja Krieger-Liszkay},
  journal={Journal of experimental botany},
  volume={61 13},
Hydrogen peroxide (H(2)O(2)) is recognized as an important signalling molecule. There are two important aspects to this function: H(2)O(2) production and its diffusion to its sites of action. The production of H(2)O(2) by photosynthetic electron transport and its ability to diffuse through the chloroplast envelope membranes has been investigated using spin trapping electron paramagnetic resonance spectroscopy and H(2)O(2)-sensitive fluorescence dyes. It was found that, even at low light… CONTINUE READING


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