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. 2019 Apr 24;44(5):289–301. doi: 10.1093/chemse/bjz019

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Figure 1. — Expression of olfactory receptors in circumvallate taste papillae of mOR-M71-GFP (top row) and mOR-EG-GFP (bottom row) transgenic mice. (A) and (D): DIC brightfield images of the taste papillae from transgenic mice expressing GFP under M71 (A) and eugenol (EG; D) receptor promoter. (B) and (E): GFP fluorescence (green) expression of each transgenic mouse. (C) and (F): Overlays of the images from (A) and (B) and from (D) and (E) demonstrate colocalization of GFP expression with taste cells in the circumvallate taste papillae. Scale bars = 25 µm.