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FEATURE ARTICLE

How Plants Produce Dioxygen

At its core, oxygen production comes down to the chemistry of a poorly understood manganese-containing complex in the membranes of plant chloroplasts

Veronika Szalai, Gary Brudvig

Acknowledgment

This work was supported by the National Institutes of Health (GM 32715 and GM 36442, and a pre-doctoral traineeship to Szalai, GM08283).

Bibliography

  • Brudvig, G. W. 1995. Structure and function of manganese in Photosystem II. In Mechanistic Bioinorganic Chemistry, ed. H. H. Thorp. Washington, D.C.: American Chemical Society, pp. 249?263.
  • Gall, J. G. 1996. A Pictorial History: Views of the Cell. Bethesda, Maryland: American Society for Cell Biology, pp. 58?59.
  • Geselowitz, D., and T. J. Meyer. 1990. Water oxidation by [(bpy)2(O)RuVORuV (O)(bpy)2]4+: an oxygen-labeling study. Inorganic Chemistry 29:3894–3896.
  • Gilchrist, M. L., J. A. Ball, D. W. Randall and R. D. Britt. 1995. Proximity of the manganese cluster of Photosystem II to the redox-active tyrosine YZ. Proceedings of the National Academy of Sciences, U.S.A. 92:9545–9549.
  • Govindjee and W. J. Coleman. 1990. How plants make oxygen. Scientific American (February) 50–58.
  • Hoganson, C. W., and G. T. Babcock. 1997. A metalloradical mechanism for the generation of oxygen from water in photosynthesis. Science 277:1953–1956. [CrossRef]
  • Kok, B., B. Forbush and M. McGloin. 1970. Cooperation of charges in photosynthetic O2 evolution - I. A linear four step mechanism. Photochemistry and Photobiology 11:457–475.
  • Limburg, J., G. W. Brudvig and R. H. Crabtree. 1997. O2 evolution and permanganate formation from high-valent manganese complexes. Journal of the American Chemical Society 119:2761–2762. [CrossRef]
  • Naruta, Y., M. Sasayama and T. Sasaki. 1994. Oxygen evolution by oxidation of water with manganese porphyrin dimers. Angewandte Chemie International Edition in English 33:1839–1841.
  • Stryer, L. 1981. Biochemistry. New York: W. H. Freeman and Company.
  • Szalai, V. A., and G. W. Brudvig. 1996. Reversible binding of nitric oxide to tyrosyl radicals in Photosystem II. Nitric oxide quenches the S3 EPR signal species in acetate-inhibited Photosystem II. Biochemistry 35:15080–15087. [CrossRef]
  • Voet, D., and J. G. Voet. 1990. Biochemistry. New York: John Wiley and Sons, Inc.
  • Yachandra, V. K., V. J. DeRose, M. J. Latimer, I. Mukerji, K. Sauer and M. P. Klein. 1993. Where plants make oxygen: A structural model for the photosynthetic oxygen-evolving manganese cluster. Science 260:675–679.




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