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Expression of PHOT1, NPH3-like, PGP-like, ZmAUX1, ZmPIN1s, ZmSAUR, and ZMK1 genes in maize coleoptiles. Total mRNA was obtained from 20 sections of each 1 mm region indicated. The relative ratio of gene expression is normalized against expression of the ubiquitin gene. All real-time RT-PCR experiments were performed in biological duplicate and technical duplicate, and values are means ±SE.
