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Neuronal circuits

Peckish flies are less picky

Nature Reviews Neuroscience volume 16, page 508 (2015)Cite this article

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Different internal states such as hunger or arousal cause functional changes in neural circuits and enable animals to adapt their behaviour according to their needs. Here, enhanced responsiveness to attractive odours and reduced aversion to noxious odours in starved flies is shown to be mediated by two neuromodulators that have opposing effects. Short neuropeptide F sensitizes an olfactory glomerulus that mediates attraction, and tachykinin suppresses activity in a glomerulus that mediates aversion.

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References

  1. Ko, K. I. et al. Starvation promotes concerted modulation of appetitive olfactory behavior via parallel neuromodulatory circuits. eLife http://dx.doi.org/10.7554/eLife.08298 (2015)

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  1. Sian Lewis
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Lewis, S. Peckish flies are less picky. Nat Rev Neurosci 16, 508 (2015). https://doi.org/10.1038/nrn4011

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