Effects of Hydroxylamine on Photosystem II: I. Factors Affecting the Decay of O(2) Evolution |
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| Authors: | Cheniae G M Martin I F |
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| Affiliation: | Research Institute for Advanced Studies, 1450 South Rolling Road, Baltimore, Maryland 21229. |
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| Abstract: | Illumination of chloroplasts in the presence of NH2OH (2 mm) leads to the destruction of all system II activities without affecting system I activity. The system II primary charge separation remains intact when incubated with this agent in the dark with release of one of the system II Mn pools and simultaneous destruction of O2 evolving capacity. The size of the Mn pool associated with the O2 evolving center is calculated to be 4 Mn/O2-evolving center. |
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