1996
DOI: 10.1007/bf00041009
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Effect of the redox state of QB on electric field-induced charge recombination in Photosystem II

Abstract: Electric field-induced charge recombination in Photosystem II (PS II) was studied in osmotically swollen spinach chloroplasts ('blebs') by measurement of the concomitant chlorophyll luminescence emission (electroluminescence). A pronounced dependence on the redox state of the two-electron gate QB was observed and the earlier failure to detect it is explained. The influence of the QB/QB (-) oscillation on electroluminescence was dependent on the redox state of the oxygen evolving complex; at times around one mi… Show more

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Cited by 5 publications
(9 citation statements)
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“…Figure 6 summarizes comparisons between our measurements and the simple average model. For the case with T pulse = 150 ms and T dark = 250 ms, where the predicted trend is opposite to that of the data, we show in the Supplemental Information (Figures S1 and S2) how the trend can be predicted by the model if (1) photo-acclimation can cause a reduction of A as well as a lessening of N pool as I is increased (de Wijn and van Gorkom, 2001;Zou and Richmond, 2000;Simionato et al, 2011;Bonente et al, 2012;Gris et al, 2014) or (2) there is a distribution of N pool (Guemther et al, 1988;Hemelrijk and van Gorkom, 1996;Cleland, 1998).…”
Section: Comparison Of Model Predictions Against Our Measurementsmentioning
confidence: 59%
See 3 more Smart Citations
“…Figure 6 summarizes comparisons between our measurements and the simple average model. For the case with T pulse = 150 ms and T dark = 250 ms, where the predicted trend is opposite to that of the data, we show in the Supplemental Information (Figures S1 and S2) how the trend can be predicted by the model if (1) photo-acclimation can cause a reduction of A as well as a lessening of N pool as I is increased (de Wijn and van Gorkom, 2001;Zou and Richmond, 2000;Simionato et al, 2011;Bonente et al, 2012;Gris et al, 2014) or (2) there is a distribution of N pool (Guemther et al, 1988;Hemelrijk and van Gorkom, 1996;Cleland, 1998).…”
Section: Comparison Of Model Predictions Against Our Measurementsmentioning
confidence: 59%
“…Information about the existence of a distribution of PQ pool sizes is scant. For the data published to date (Hemelrijk and van Gorkom, 1996;Cleland, 1998), we found that a normal probability distribution provides a good fit: 17)…”
Section: Effects Of Pq Pool Size Distribution and Photo-acclimationmentioning
confidence: 91%
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“…The amount of slow phase assigned to the S 01 and S 23 transitions depends on the presence of S 0 in the dark. This is negligible in the bleb wall ( , ) but unknown in the dense patches of thylakoid material seen on the bleb surface which contribute to the fluorescence but not to the EL ( 26 , 39 , 54 , 55 ).…”
Section: Discussionmentioning
confidence: 99%