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  1. No Access

    Article

    Exceptional Quantum Efficiency Powers Biomass Production in Halotolerant Algae Picochlorum sp.^

    The green algal genus Picochlorum is of biotechnological interest because of its robust response to multiple environmental stresses. We compared the metabolic performance of P. SE3 and P. oklahomense to diverse m...

    Colin Gates, Gennady Ananyev, Fatima Foflonker… in Photosynthesis Research (2024)

  2. No Access

    Article

    Cyclic electron flow around photosystem II in silico: How it works and functions in vivo

    To date, cyclic electron flow around PSI (PSI-CEF) has been considered the primary (if not the only) mechanism accepted to adjust the ratio of linear vs cyclic electron flow that is essential to adjust the rat...

    Apostolos Zournas, Kyle Mani, G. Charles Dismukes in Photosynthesis Research (2023)

  3. No Access

    Article

    Regulation of light energy conversion between linear and cyclic electron flow within photosystem II controlled by the plastoquinone/quinol redox poise

    Ultrapurified Photosystem II complexes crystalize as uniform microcrystals (PSIIX) of unprecedented homogeneity that allow observation of details previously unachievable, including the longest sustained oscill...

    Colin Gates, Gennady Ananyev, Shatabdi Roy-Chowdhury… in Photosynthesis Research (2023)

  4. Article

    Dedication to Ron Pace

    Ron Pace (6 July 1946 to 4 January 2021) was a scientist of deep intellectual pursuits, an eager debater of the laws of nature, and an admired teacher, whose generous character and humorous spirit was a gift t...

    G. Charles Dismukes, Rob Stranger, Paul Smith in Photosynthesis Research (2022)

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  5. No Access

    Article

    Bridging the gap between Kok-type and kinetic models of photosynthetic electron transport within Photosystem II

    Historically, two modeling approaches have been developed independently to describe photosynthetic electron transport (PET) from water to plastoquinone within Photosystem II (PSII): Markov models account for l...

    Kyle Mani, Apostolos Zournas, G. Charles Dismukes in Photosynthesis Research (2022)

  6. Article

    Open Access

    Symbiosis extended: exchange of photosynthetic O2 and fungal-respired CO2 mutually power metabolism of lichen symbionts

    Lichens are a symbiosis between a fungus and one or more photosynthetic microorganisms that enables the symbionts to thrive in places and conditions they could not compete independently. Exchanges of water and...

    Marie-Claire ten Veldhuis, Gennady Ananyev, G. Charles Dismukes in Photosynthesis Research (2020)

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  7. No Access

    Chapter

    Rewiring of Cyanobacterial Metabolism for Hydrogen Production: Synthetic Biology Approaches and Challenges

    With the demand for renewable energy growing, hydrogen (H2) is becoming an attractive energy carrier. Develo** H2 production technologies with near-net zero carbon emissions is a major challenge for the “H2 eco...

    Anagha Krishnan, **ao Qian, Gennady Ananyev… in Synthetic Biology of Cyanobacteria (2018)

  8. No Access

    Article

    Natural isoforms of the Photosystem II D1 subunit differ in photoassembly efficiency of the water-oxidizing complex

    Oxygenic photosynthesis efficiency at increasing solar flux is limited by light-induced damage (photoinhibition) of Photosystem II (PSII), primarily targeting the D1 reaction center subunit. Some cyanobacteria...

    David J. Vinyard, Jennifer S. Sun, Javier Gimpel… in Photosynthesis Research (2016)

  9. No Access

    Article

    Warwick Hillier: a tribute

    Warwick Hillier (October 18, 1967–January 10, 2014) made seminal contributions to our understanding of photosynthetic water oxidation employing membrane inlet mass spectrometry and FTIR spectroscopy. This arti...

    Johannes Messinger, Richard Debus, G. Charles Dismukes in Photosynthesis Research (2014)

  10. No Access

    Article

    Dynamics of Lipid Biosynthesis and Redistribution in the Marine Diatom Phaeodactylum tricornutum Under Nitrate Deprivation

    One approach to achieve continuous overproduction of lipids in microalgal “cell factories” relies upon depletion or removal of nutrients that act as competing electron sinks (e.g., nitrate and sulfate). Howeve...

    Elizabeth H. Burrows, Nicholas B. Bennette, Damian Carrieri… in BioEnergy Research (2012)

  11. No Access

    Article

    Evolutionary significance of an algal gene encoding an [FeFe]-hydrogenase with F-domain homology and hydrogenase activity in Chlorella variabilis NC64A

    [FeFe]-hydrogenases (HYDA) link the production of molecular H2 to anaerobic metabolism in many green algae. Similar to Chlamydomonas reinhardtii, Chlorella variabilis NC64A (Trebouxiophyceae, Chlorophyta) exhibit...

    Jonathan E. Meuser, Eric S. Boyd, Gennady Ananyev, Devin Karns, Randor Radakovits… in Planta (2011)

  12. No Access

    Article

    Bicarbonate Coordinates to Mn3+ during Photo-Assembly of the Catalytic Mn4Ca Core of Photosynthetic Water Oxidation: EPR Characterization

    Assembly of the catalytic cluster, Mn4CaO x Cl y , comprising the water-oxidizing complex (WOC) of photosystem II (PSII), occurs during biogenes...

    Jyotishman Dasgupta, Alexei M. Tyryshkin, Sergei V. Baranov… in Applied Magnetic Resonance (2010)

  13. No Access

    Article

    Mutagenesis of CP43-arginine-357 to serine reveals new evidence for (bi)carbonate functioning in the water oxidizing complex of Photosystem II

    The chlorophyll-binding protein CP43 is an inner subunit of the Photosystem II (PSII) reaction center core complex of all oxygenic photoautotrophs. X-Ray structural evidence places the guanidinium cation of th...

    Gennady Ananyev, Tuan Nguyen… in Photochemical & Photobiological Sciences (2005)

  14. No Access

    Article

    Photosynthesis: a blueprint for solar energy capture and biohydrogen production technologies

    Solar energy capture, conversion into chemical energy and biopolymers by photoautotrophic organisms, is the basis for almost all life on Earth. A broad range of organisms have developed complex molecular machi...

    Olaf Kruse, Jens Rupprecht, Jan H. Mussgnug… in Photochemical & Photobiological Sciences (2005)

  15. No Access

    Article

    How fast can Photosystem II split water? Kinetic performance at high and low frequencies

    Molecular oxygen evolution from water is a universal signature of oxygenic photosynthesis. Detection of the presence, speed and efficiency of the enzymatic machinery that catalyzes this process in vivo has been l...

    Gennady Ananyev, G. Charles. Dismukes in Photosynthesis Research (2005)

  16. No Access

    Chapter

    Photo-Assembly of the Catalytic Manganese Cluster

    The biogenesis of the Photosystem II (PS II) water oxidizing complex is reviewed with emphasis on the sequence and location of assembly of the subunits within the internal membrane systems of prokaryotes and c...

    G. Charles Dismukes, Gennady M. Ananyev, Richard Watt in Photosystem II (2005)

  17. No Access

    Chapter

    The Origin and Evolution of Photosynthetic Oxygen Production

    This chapter reviews some of the evidence and the postulated proposals for how oxygenic photosynthesis first emerged as a distinct form of photoautotrophic metabolism using water as an electron donor. This for...

    G. Charles Dismukes, Robert E. Blankenship in Photosystem II (2005)

  18. No Access

    Chapter

    Synthetic Catalysts for Non-biological Water Oxidation: Comparison to the photosynthetic water oxidation complex

    This chapter discusses the structure and function of water oxidising complex of photosystem II and the tyrosyl radical participation in water oxidation, as well as the key structural features of photosystem II...

    Wolfgang Ruettinger, G. Charles Dismukes in Concepts in Photobiology (1999)

  19. No Access

    Article

    Inhibition of the catalase reaction of Photosystem II by anions

    A new binding site for anions which inhibit the water oxidizing complex (WOC) of Photosystem II in spinach has been identified. Anions which bind to this site inhibit the flash-induced S2/S0 catalase reaction (2H

    Junichi Mano, Kunio Kawamoto, G. Charles Dismukes, Kozi Asada in Photosynthesis Research (1993)

  20. No Access

    Chapter

    A New Class of Potential Mechanism-Based Suicide Inhibitors of Photosynthetic Activity

    Inhibitors on the donor side of Photosystem II (PSII) in higher plants have been limited to an assortment of small amines (NH2OH, NH2NH2, NH3, etc.) and various derivatives of 2-anilino-thiophenes and phenylhydra...

    Jacqueline Tso, G. Charles Dismukes in Techniques and New Developments in Photosy… (1989)