Fig. 6: High light induced non-photochemical quenching (NPQ) and increased zeaxanthin as well as de-epoxidation levels. | Communications Biology

Fig. 6: High light induced non-photochemical quenching (NPQ) and increased zeaxanthin as well as de-epoxidation levels.

From: High light and temperature reduce photosynthetic efficiency through different mechanisms in the C4 model Setaria viridis

Fig. 6

a Light and b CO2 response of NPQ. Mean ± SE, n = 3–6 biological replicates. Most data points of ctrl_0h, HL_4h, and HT_4h were statistically significantly different compared to ctrl_4h using Student’s two-tailed t-test with unequal variance, denoted by asterisks at the end of curves. p-Values were corrected for multiple comparisons using FDR (*p < 0.05, the colors of * match the significance of the indicated conditions, black for ctrl_0h, yellow for HL_4h, red for HT_4h). c–e Concentrations of zeaxanthin, antheraxanthin, and xanthophyll cycle de-epoxidation. Mean ± SE, n = 3 biological replicates. Asterisk and pound symbols indicate statistically significant differences of high light or high temperature treatments compared to the control condition at the same time points using Student’s two-tailed t-test with unequal variance (*0.01 < p < 0.05, #p < 0.01).

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