Resetting the Circadian Clock by Social Experience in Drosophila melanogaster

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Science  06 Dec 2002:
Vol. 298, Issue 5600, pp. 2010-2012
DOI: 10.1126/science.1076008

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Circadian clocks are influenced by social interactions in a variety of species, but little is known about the sensory mechanisms underlying these effects. We investigated whether social cues could reset circadian rhythms in Drosophila melanogasterby addressing two questions: Is there a social influence on circadian timing? If so, then how is that influence communicated? The experiments show that in a social context Drosophilatransmit and receive cues that influence circadian time and that these cues are likely olfactory.

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