[Permanent link] [Permanent link] Mouse amygdala

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Neurons in the mouse amygdala are stained using antibodies against β-galactosidase (red) and GFP (green). GFP is driven by the fos promoter, which also drives tTA. β-galactosidase is driven by a tet-O promoter, which also drives tTA. Fos promoter activition leads to permanent tagging of neurons.