Fig. 8

Original traces of 9-AAF quenching. Isolated thylakoids with a Chl concentration of 15 μg mL−1 were illuminated with a light intensity of 500 μmol m−2 s−1 in the presence of 2 mM FeCN (a) or 0.5 mM DCBQ (b). Arrows mark the onset and offset of the actinic illumination. 9-AA was used at a concentration of 6 μM. Figure 8 shows the traces of representative experiments