Selective interaction of valinomycin/K+ with the cytochrome bf complex of chloroplasts. Synergistic effect with MOA stilbene on extent of cytochrome b563 reduction in continuous light.

@article{Klughammer1993SelectiveIO,
  title={Selective interaction of valinomycin/K+ with the cytochrome bf complex of chloroplasts. Synergistic effect with MOA stilbene on extent of cytochrome b563 reduction in continuous light.},
  author={Christof Klughammer and Ulrich Schreiber},
  journal={FEBS letters},
  year={1993},
  volume={336 3},
  pages={491-5}
}
Valinomycin/K+ is shown to selectively interact at sub-micromolar concentrations with the cytochrome bf complex in thylakoid membranes, inducing a red shift of the ferrohaem b absorbance alpha-band, a slow down of post-illumination b-reoxidation and a corresponding increase of b-reduction level in continuous light. These effects of valinomycin/K+ are not related to its field dissipating action, as they are not affected by nonactin. Presence of K+ is required. Phenomenologically the valinomycin… CONTINUE READING

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