Mechanism of the down regulation of photosynthesis by blue light in the Cyanobacterium synechocystis sp. PCC 6803.

@article{Scott2006MechanismOT,
  title={Mechanism of the down regulation of photosynthesis by blue light in the Cyanobacterium synechocystis sp. PCC 6803.},
  author={Matt Scott and Chantal McCollum and Sergei S. Vasil'ev and Cheryl L Crozier and George S. Espie and M. D. Krol and Norm P A Huner and Doug Bruce},
  journal={Biochemistry},
  year={2006},
  volume={45 29},
  pages={8952-8}
}
Exposure to blue light has previously been shown to induce the reversible quenching of fluorescence in cyanobacteria, indicative of a photoprotective mechanism responsible for the down regulation of photosynthesis. We have investigated the molecular mechanism behind fluorescence quenching by characterizing changes in excitation energy transfer through the phycobilin pigments of the phycobilisome to chlorophyll with steady-state and time-resolved fluorescence excitation and emission spectroscopy… CONTINUE READING

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