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The effect of exogenous hydrogen peroxide on Synechocystis growth at 32 °C. Point 0: H2O2 was added to a final concentration of 0.25 mM. Optical density measured at 750 nm reflects cell growth. Insert panel: ratio of absorbance at 680/750 nm, characteristic of the relative content of chlorophyll in cells. Reproduced from [66] with permission.
