Photosynthesis pp 101-110 | Cite as

The Stable Primary Electron Acceptor (QA) of Photosynthetic Bacteria

Part of the Advances in Photosynthesis and Respiration book series (AIPH, volume 10)


Reaction Center Photosynthetic Bacterium Photochemical Activity Midpoint Potential Bacterial Reaction Center 
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For further reading

  1. R1.
    RK Clayton (1980) Photosynthesis: Physical Mechanisms and Chemical Patterns. Cambridge Univ PressGoogle Scholar
  2. R2.
    MY Okamura, G Feher, and N Nelson, (1982) Reaction centers. In: Govindjee (ed) Photosynthesis, Vol 1. Energy Conversion by Plants and Bacteria, pp 195–272. Acad PressGoogle Scholar
  3. R3.
    RC Prince and PL Dutton (1978) Protonation and the reducing potential of the primary electron acceptor. In: RK Clayton and WR Sistrom (eds) Photosynthetic Bacteria, pp 439–453. Plenum pressGoogle Scholar
  4. R4.
    G Feher (1992) Identification and characterization of the primary donor in bacterial photosynthesis: a chronological account of an EPR/ENDOR investigation (The Bruker Lecture) J Chem Soc Perkin Trans 2:1861–1874Google Scholar


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    RK Clayton and SC Straley (1970) An optical absorption change that could be due to reduction of the primary photochemical electron acceptor in photosynthetic reaction centers. Biochem Biophys Res Commun 39: 1114–1119PubMedCrossRefGoogle Scholar
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    L Slooten (1972) Electron acceptors in reaction center preparations from photosynthetic bacteria. Biochim Biophys Acta 275: 208–218PubMedGoogle Scholar
  3. 3.
    A Vermeglio (1976) Secondary electron transfer in reaction centers of Rhodopseudomonas sphaeroides. Out-of-phase periodicity of two for the formation of ubisemiquinone and fully reduced ubiquinone. Biochim Biophys Acta 459: 516–524Google Scholar
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    CA Wraight (1977) Electron acceptors of photosynthetic bacterial reaction centers. Direct observation of oscillatory behaviour suggesting two closely equivalent ubiquinones. Biochim Biophys Acta 459: 525–531PubMedGoogle Scholar
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    JR Bolton, RK Clayton and DW Reed (1969) An identification of the radical giving rise to the light-induced electron spin resonance signal in photosynthetic bacteria. Photochem Photobiol 9: 209–218PubMedGoogle Scholar
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    RJ Cogdell, DC Brune and RK Clayton (1974) Effects of extraction and replacement of ubiquinone upon the photochemical activity of reaction centers and chromatophores from Rhodopeudomonas sphaeroides. FEBS Lett 45: 344–347PubMedCrossRefGoogle Scholar
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    MY Okamura, RA Isaacson and G Feher (1975) The primary acceptor in bacterial photosynthesis: The obligatory role of ubiquinone in photoactive reaction centers of Rp. sphaeroides. Proc Nat Acad Sci, USA 72: 3491–3495Google Scholar
  8. 8.
    PL Dutton, JS Leigh and CA Wraight (1973) Direct measurement of the midpoint potential of the primary electron acceptor in Rhodopseudomonas sphaeroides in situ and in the isolated state: some relationships with pH and o-phenanthroline. FEBS Lett 36: 169–173PubMedCrossRefGoogle Scholar
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    DD DeVault (1984) Quantum-Mechanical Tunneling in Biological Systems. Cambridge University PressGoogle Scholar

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© Kluwer Academic Publishers 2003

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