Enhanced rates of P700+ dark-reduction in leaves of Cucumis sativus L. photoinhibited at chilling temperature

@article{Bukhov2003EnhancedRO,
  title={Enhanced rates of P700+ dark-reduction in leaves of Cucumis sativus L. photoinhibited at chilling temperature},
  author={Nikolai G. Bukhov and Sridharan Govindachary and Subramanyam Rajagopal and David L. Joly and Robert Carpentier},
  journal={Planta},
  year={2003},
  volume={218},
  pages={852-861}
}
The changes in electron transport within photosystem I (PSI) were studied in detached leaves of Cucumis sativus L. during the course of irradiation with moderate white light (300 μmol photons m−2 s−1) at 4°C. When intact leaves were exposed to the combination of moderate light and low temperature, the amplitude of far-red light-induced P700 absorbance changes at 820 nm (ΔA820), a relative measure of PSI, progressively decreased as the light treatment time increased. Almost no oxidation of P700… CONTINUE READING

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