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. 2017 Dec 28;176(3):2305–2314. doi: 10.1104/pp.17.01249

Figure 2.

Figure 2.

Analysis of PSII efficiency of the wild type, Δnd4, pgrl1, and Δnd4pgrl1. A, ΦPSII monitored with a PAM fluorimeter measured after 30 min of dark adaptation of wild-type, pgrl1, Δnd4, and Δnd4pgrl1 strains grown photoautotrophically in CL and HL conditions. Data are expressed as averages ± sd, n = 4. Values significantly different from the wild type are marked with an asterisk (ANOVA, P value < 0.05). B and C, PSII quantum yield dependence from illumination intensity for wild-type, pgrl1, Δnd4, and Δnd4pgrl1 strains grown photoautotrophically in CL (B) and HL (C) conditions. Measurements were performed using 1-min steps of increasing light intensity (n = 4 ± sd).