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Analysis of gene expressions by qPCR in Arabidopsis protoplasts. The Actin (ACT2) gene, which does not change its expression in protoplasts, was used as a reference. X-axis: genes; Y-axis: fold changes; 0, 30 and 72 hours of incubation. Error bar means standard error. (A) nucleus related genes; (B) auxin biosynthesis genes.
