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PcTUB gene expression under LD (16-h light/8-h dark) conditions (A), under LL (B) conditions, and under DD conditions (C). In each graph, the two curves represent two independent experiments (n = 3 ± se) and the curves shown in the first 24 h of each graph represent the mean of 3-d expression levels under LD conditions. Darkness is represented as shaded areas. Transcript levels are related to RNA quantity.
