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Coupled oscillators control morning and evening locomotor behaviour of Drosophila
TLDR
It is shown that the timing of morning and Evening activity in Drosophila derives from two distinct groups of circadian neurons: morning activity from the ventral lateral neurons that express the neuropeptide PDF, and evening activity from another group of cells, including the dorsal lateral neurons.
Differential regulation of circadian pacemaker output by separate clock genes in Drosophila.
TLDR
Results reveal PDF as an important circadian mediator whose expression and function are downstream of the clockworks, and separate elements of the central pacemaking machinery regulate pdf or its product in novel and different ways.
Feedback of the Drosophila period gene product on circadian cycling of its messenger RNA levels
TLDR
Observations indicate that the cycling of per-encoded protein could result from per RNA cycling, and that there is a feedback loop through which the activity of each per gene product causes cycling of its own RNA.
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