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Expression profiles of reprogramming-related genes ordering by pseudotime. PpCSP1 and PpCSP2, genes encoding cold-shock protein 1 and 2 (20); PpCYCD;1: gene encoding cyclin D;1 (18). These were calculated and plotted using the monocle package (36). Each dot indicates an independent cell depicted as the time it was sampled after the excision.
