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Figure Caption
Fig. S2 ATP activates a unique type of OSNs with pear-shaped morphology. Related to Figure 2. pERK immunohistochemistry of OE sections from OMP:GFP (top) and TRPC2:gap-Venus (bottom) transgenic zebrafish exposed to 10 μM ATP (n=2). ATP induces ERK phosphorylation specifically in pear-shaped OSNs that are OMP:GFP-positive, but TRPC2:gap-Venus-negative. Although these pear-shaped OSNs exhibits several hallmarks of ciliated OSNs (OMP:GFP, Golf, ACIII), they do not have a long dendrite and are located at the very apical layer of the OE. Scale bar, 5 μm.
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Full text @ Curr. Biol.