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. 2003 Nov;185(22):6615–6623. doi: 10.1128/JB.185.22.6615-6623.2003

FIG. 3.

FIG. 3.

Decay kinetics of the variable chlorophyll fluorescence yield of intact cells of the PS I-less and Rg2/PS I-less strains of Synechocystis sp. strain PCC 6803. Measurements were conducted in the presence of 40 μM DCMU. Actinic light was turned off at time zero. a.u., arbitrary units.