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The Neuropeptide Pigment-Dispersing Factor Adjusts Period and Phase of Drosophila's Clock
The neuropeptide pigment-dispersing factor (PDF) is a key transmitter in the circadian clock of Drosophila melanogaster. PDF is necessary for robust activity rhythms and is thought to couple theExpand
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Cryptochrome is present in the compound eyes and a subset of Drosophila's clock neurons
Cryptochrome (CRY) is intimately associated with the circadian clock of many organisms. In the fruit fly Drosophila melanogaster, CRY seems to be involved in photoreception as well as in the coreExpand
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Temperature cycles drive Drosophila circadian oscillation in constant light that otherwise induces behavioural arrhythmicity
The fruit fly, Drosophila melanogaster, shows a clear circadian locomotor rhythm in light cycles and constant darkness. Although the rhythm disappears in constant light, we found that temperatureExpand
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A New ImageJ Plug-in “ActogramJ” for Chronobiological Analyses
New chronobiology software that is easy to use, compatible with many different systems, and freely available. Expand
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Neuropeptide F immunoreactive clock neurons modify evening locomotor activity and free‐running period in Drosophila melanogaster
Different subsets of Drosophila melanogaster's clock neurons are characterized by their specific functions in daily locomotor rhythms and the differences in their neurotransmitter composition. WeExpand
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Cryptochrome Mediates Light-Dependent Magnetosensitivity of Drosophila's Circadian Clock
Since 1960, magnetic fields have been discussed as Zeitgebers for circadian clocks, but the mechanism by which clocks perceive and process magnetic information has remained unknown. Recently, theExpand
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Synergic Entrainment of Drosophila’s Circadian Clock by Light and Temperature
Daily light and temperature cycles are considered the most important zeitgebers for circadian clocks in many organisms. The influence of each single zeitgeber on the clock has been well studied, butExpand
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Pigment-Dispersing Factor Is Involved in Age-Dependent Rhythm Changes in Drosophila melanogaster
Most animals show rest/activity rhythms that are regulated by an endogenous timing mechanism, the so-called circadian system. The rhythm becomes weaker with age, but the mechanism underlying theExpand
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Drosophila cryb mutation reveals two circadian clocks that drive locomotor rhythm and have different responsiveness to light.
Cryptochrome (CRY) is a blue-light-absorbing protein involved in the photic entrainment of the circadian clock in Drosophila melanogaster. We have investigated the locomotor activity rhythms of fliesExpand
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The circadian clock network in the brain of different Drosophila species
Comparative studies on cellular and molecular clock mechanisms have revealed striking similarities in the organization of the clocks among different animal groups. To gain evolutionary insight intoExpand
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