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Figure 1


Fig. 1. RT-PCR analysis of lamprey parapinopsin and lamprey rhodopsin gene expression in the pineal organ (p), retina (r) and brain (b) of the lamprey. The lamprey parapinopsin gene is expressed only in the pineal organ, whereas the lamprey rhodopsin gene is expressed in both the pineal organ and the retina. GAPDH serves as an internal standard.