Kinetics and Intermediates of the Oxygen Evolution Step in Photosynthesis1

作者: BESSEL KOK , GEORGE M. CHENIAE

DOI: 10.1016/B978-1-4831-9969-6.50007-X

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摘要: Publisher Summary This chapter discusses kinetics and intermediates of the oxygen evolution step in photosynthesis. All photosynthetic tissues contain a large amount quinones. A bulk these quinones might be localized osmiophylic globules within chloroplast. There is no quantitative data on percentage that associated with apparatus. are several indications one or more function at reducing side photosystem II. The overall reaction shows three distinct phases. third phase, which involves oxidation 2,3-diketogulonate to oxalic threonic acids, has been considered. high specificity for manganous ion, regardless whether photo-oxidation sensitized by dyes chloroplasts. also occurs darkness if catalyzed peroxidase same requirement Mn 2+ . 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) inhibits chloroplast-sensitized photo-oxidation. chloroplasts does not depend upon their ability perform Hill

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