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Branch-specific plasticity of a bifunctional dopamine circuit encodes protein hunger

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Science  05 May 2017:
Vol. 356, Issue 6337, pp. 534-539
DOI: 10.1126/science.aal3245

Give us our daily protein

Protein is an essential component of our food, and protein intake thus must be actively regulated. Liu et al. identified a neural circuit that encodes protein-specific hunger in fruit flies. In protein-deprived animals, this circuit acted to simultaneously promote protein consumption and restrict sugar intake. Lack of protein induced changes in the protein-specific, but not sugar-specific, branch of this circuit.

Science, this issue p. 534

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