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LCSMs of rat circumvallate taste buds double labeled with antibodies against α-gustducin (green) and IP3R3 (red). Panel C shows an overlay of A and B with the differential interference contrast image to enhance visualization of individual taste cells. Scale bar is 10 μm. Note that all α-gustducin IR taste cells are also IP3R3 IR, however not all IP3R3 IR cells are α-gustducin IR.
