Slowly reversible de-epoxidation of lutein-epoxide in deep shade leaves of a tropical tree legume may 'lock-in' lutein-based photoprotection during acclimation to strong light.

@article{Matsubara2005SlowlyRD,
  title={Slowly reversible de-epoxidation of lutein-epoxide in deep shade leaves of a tropical tree legume may 'lock-in' lutein-based photoprotection during acclimation to strong light.},
  author={Shizue Matsubara and Maria Naumann and Robin Ann Martin and Caroline J. Nichol and Uwe Rascher and Tomas Morosinotto and Roberto Bassi and Barry Osmond},
  journal={Journal of experimental botany},
  year={2005},
  volume={56 411},
  pages={461-8}
}
The kinetics of response to strong light have been examined in deeply shaded leaves of the tropical tree legume (Inga sp.) which have extraordinarily high levels of the alpha-xanthophyll lutein-epoxide that are co-located in pigment-protein complexes of the photosynthetic apparatus with the beta-xanthophyll violaxanthin. As in other species, rapidly reversible photoprotection (measured as non-photochemical chlorophyll fluorescence quenching) is initiated within the time frame of sun-flecks… CONTINUE READING

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