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Reversible inhibition of the photosynthetic water-splitting enzyme system by SO2-fumigation assayed by chlorophyll fluorescence and EPR signal in vivo



Reversible inhibition of the photosynthetic water-splitting enzyme system by SO2-fumigation assayed by chlorophyll fluorescence and EPR signal in vivo



Plant and Cell Physiology 25(5): 795-803



The effects of SO2 on chlorophyll-a fluorescence from spinach New Asia leaves and the inhibition of O2 evolution indicated that the photosynthetic water-splitting enzyme system was affected. Short-term exposure (< 1 h of 2 p.p.m. SO2) in vivo was reversible but longer exposures injured the reaction centre of Photosystem II.

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Accession: 001246898

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