Natural variants of photosystem II subunit D1 tune photochemical fitness to solar intensity

David J. Vinyard, Javier Gimpel, Gennady M. Ananyev, Mario A. Cornejo, Susan S. Golden, Stephen P. Mayfield, G Charles Dismukes

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Background: Cyanobacteria use multiple PSII-D1 isoforms to adapt to environmental conditions. Results: D1:2 achieves higher quantum efficiency of water oxidation and biomass accumulation rate at high light versus D1:1; the latter is more efficient at low light due to less charge recombination. Conclusion: A functional advantage for D1:1 is revealed for the first time. Significance: Improved photochemical efficiency at low light suggests an evolutionary advantage to retain D1:1.

Original languageEnglish
Pages (from-to)5451-5462
Number of pages12
JournalJournal of Biological Chemistry
Volume288
Issue number8
DOIs
Publication statusPublished - Feb 22 2013

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Photosystem II Protein Complex
Light
Cyanobacteria
Quantum efficiency
Biomass
Genetic Recombination
Protein Isoforms
Oxidation
Water

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Cite this

Vinyard, D. J., Gimpel, J., Ananyev, G. M., Cornejo, M. A., Golden, S. S., Mayfield, S. P., & Dismukes, G. C. (2013). Natural variants of photosystem II subunit D1 tune photochemical fitness to solar intensity. Journal of Biological Chemistry, 288(8), 5451-5462. https://doi.org/10.1074/jbc.M112.394668

Natural variants of photosystem II subunit D1 tune photochemical fitness to solar intensity. / Vinyard, David J.; Gimpel, Javier; Ananyev, Gennady M.; Cornejo, Mario A.; Golden, Susan S.; Mayfield, Stephen P.; Dismukes, G Charles.

In: Journal of Biological Chemistry, Vol. 288, No. 8, 22.02.2013, p. 5451-5462.

Research output: Contribution to journalArticle

Vinyard, DJ, Gimpel, J, Ananyev, GM, Cornejo, MA, Golden, SS, Mayfield, SP & Dismukes, GC 2013, 'Natural variants of photosystem II subunit D1 tune photochemical fitness to solar intensity', Journal of Biological Chemistry, vol. 288, no. 8, pp. 5451-5462. https://doi.org/10.1074/jbc.M112.394668
Vinyard DJ, Gimpel J, Ananyev GM, Cornejo MA, Golden SS, Mayfield SP et al. Natural variants of photosystem II subunit D1 tune photochemical fitness to solar intensity. Journal of Biological Chemistry. 2013 Feb 22;288(8):5451-5462. https://doi.org/10.1074/jbc.M112.394668
Vinyard, David J. ; Gimpel, Javier ; Ananyev, Gennady M. ; Cornejo, Mario A. ; Golden, Susan S. ; Mayfield, Stephen P. ; Dismukes, G Charles. / Natural variants of photosystem II subunit D1 tune photochemical fitness to solar intensity. In: Journal of Biological Chemistry. 2013 ; Vol. 288, No. 8. pp. 5451-5462.
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