Proposed mechanisms for water oxidation by Photosystem II and nanosized manganese oxides

Mohamad Mahdi Najafpour, Sima Heidari, S. Esmael Balaghi, Małgorzata Hołyńska, Moayad Hossaini Sadr, Behzad Soltani, Maasoumeh Khatamian, Anthony W. Larkum, Suleyman Allakhverdiev

Research output: Contribution to journalReview article

25 Citations (Scopus)

Abstract

Plants, algae and cyanobacteria capture sunlight, extracting electrons from H2O to reduce CO2 into sugars while releasing O2 in the oxygenic photosynthetic process. Because of the important role of water oxidation in artificial photosynthesis and many solar fuel systems, understanding the structure and function of this unique biological catalyst forms a requisite research field. Herein the structure of the water-oxidizing complex and its ligand environment are described with reference to the 1.9 Å resolution X-ray-derived crystallographic model of the water-oxidizing complex from the cyanobacterium Thermosynechococcus vulcanus. Proposed mechanisms for water oxidation by Photosystem II and nanosized manganese oxides are also reviewed and discussed in the paper.

Original languageEnglish
Pages (from-to)156-174
Number of pages19
JournalBiochimica et Biophysica Acta - Bioenergetics
Volume1858
Issue number2
DOIs
Publication statusPublished - Feb 1 2017
Externally publishedYes

Keywords

  • Calcium-manganese cluster
  • Mechanism
  • Nanosized manganese oxide
  • Oxygen
  • Photosynthesis
  • Water
  • Water oxidation
  • Water oxidation
  • Water oxidizing complex

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Cell Biology

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  • Cite this

    Najafpour, M. M., Heidari, S., Balaghi, S. E., Hołyńska, M., Sadr, M. H., Soltani, B., Khatamian, M., Larkum, A. W., & Allakhverdiev, S. (2017). Proposed mechanisms for water oxidation by Photosystem II and nanosized manganese oxides. Biochimica et Biophysica Acta - Bioenergetics, 1858(2), 156-174. https://doi.org/10.1016/j.bbabio.2016.11.007