The DAES of thylakoid membranes from T. vulcanus (A) and S. 6803 (B) obtained by the global lifetime analysis of the fluorescence decays recorded at room temperature with 440-nm excitation. Note that only the symbols represent measured data points, whereas the lines are interpolated to guide the eye. For better visualization, the spectra of the short-lived PSI components are divided by 10 (for S. 6803) or 15 (for T. vulcanus). The spectra are the average from seven (T. vulcanus) or eight (S. 6803) independent measurements; the shaded areas represent standard errors. For clarity, long-lived 2-ns components with very small amplitudes (<3%) are omitted. Representative fluorescence decays and fit residuals are shown in Supplementary Figure S6.