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Curr Opin Insect Sci. 2019 Jun 29;36:33-38. doi: 10.1016/j.cois.2019.06.010. [Epub ahead of print]

Decoding Drosophila circadian pacemaker circuit.

Author information

1
Department of Genetics and Evolution, University of Geneva, Sciences III, 30 Quai Ernest-Ansermet, CH-1211, Geneva-4, Switzerland.
2
Department of Genetics and Evolution, University of Geneva, Sciences III, 30 Quai Ernest-Ansermet, CH-1211, Geneva-4, Switzerland. Electronic address: Nagoshi@unige.ch.

Abstract

Drosophila circadian circuit is one of the best described neural circuits but is complex enough to obscure our understanding of how it actually works. Animals' rhythmic behavior, the seemingly simple outcome of their internal clocks, relies on the interaction of heterogeneous clock neurons that are spread across the brain. Direct observations of their coordinated network interactions can bring us forward in understanding the circuit. The current challenge is to observe activity of each of these neurons over a long span of time - hours to days - in live animals. Here we review the progress in circadian circuit interrogation powered by in vivo calcium imaging.

PMID:
31376574
DOI:
10.1016/j.cois.2019.06.010

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