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Glycogen and ATP levels (A) and NADPH/NADP+ ratios (B) in cells during diurnal cycles. The transcriptional oscillation of genes involved in glycogen metabolism and ATP synthesis is shown in the insets in panel A. Cells were autotrophically cultured in BG11 medium under alternating 12-h L/D cycle conditions. Data points are the mean ± the standard deviation of three biological replicates.
