Published June 27, 2018
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Reactivation of the Oxygen-Evolving Function of Photosystem II Inhibited by Hydroxylamine
Creators
- 1. Photobioenergetics Laboratory, Institute of Molecular Biology & Biotechnologies, Azerbaijan National Academy of Sciences, 2A Matbuat Ave., Baku AZ1073, Azerbaijan
- 2. Depaertment of Plant Physiology and Biotechnology, Research Institute of Crop Husbandry, Ministry of Agriculture of the Republic of Azerbaijan, Pirshaghy Settlement, Sovkhoz No 2, Baku AZ 1098, Azerbaijan; *E-mail: feyziyev-y@botany-az.org
Description
The oxygen-evolving activity of photosystem II (PSII) was inhibited by extraction of the Mn-cluster using hydroxylamine. The activity was recovered partially by the photo-activation treatment applied after addition of the exogenous Mn2+ to the inhibited samples. The effect of Ca2+, Cl– and H+ ions in the reaction medium on reconstitution of the oxygen-evolving activity of PSII was studied. The results can be useful for the understanding of the principles of artificial energy converters based on photosynthetic reaction centers and for the study of artificial photosynthesis.
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