H. Sehadová

Publications18
h-index12
Citations686
Highly Influential Citations63
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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 the… Expand
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Temperature Entrainment of Drosophila's Circadian Clock Involves the Gene nocte and Signaling from Peripheral Sensory Tissues to the Brain
Circadian clocks are synchronized by the natural day/night and temperature cycles. Our previous work demonstrated that synchronization by temperature is a tissue autonomous process, similar to… Expand
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Distribution of Circadian Clock-Related Proteins in the Cephalic Nervous System of the Silkworm, Bombyx Mori
In the circadian timing systems, input pathways transmit information on the diurnal environmental changes to a core oscillator that generates signals relayed to the body periphery by output pathways.… Expand
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Day/night fluctuations in melatonin content, arylalkylamine N-acetyltransferase activity and NAT mRNA expression in the CNS, peripheral tissues and hemolymph of the cockroach, Periplaneta americana.
Melatonin content measured by a radioenzymatic assay in the brain of the American cockroach (Periplaneta americana) showed a day/night fluctuation with higher levels at night under LD 12:12. The… Expand
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Neurohormones as putative circadian clock output signals in the central nervous system of two cricket species
Antisera to the neuropeptides corazonin (Crz) and crustacean cardioactive peptide (CCAP) and to the diapause hormone (DH) react with small sets of neurones in the cephalic ganglia of the crickets… Expand
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Immunocytochemical distribution of pigment-dispersing hormone in the cephalic ganglia of polyneopteran insects
Material detectable with antisera to the pigment-dispersing hormone (PDH) is regarded as a component of the circadian clock residing in some insects in the optic lobe. This paper demonstrates that… Expand
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QUASIMODO, a Novel GPI-Anchored Zona Pellucida Protein Involved in Light Input to the Drosophila Circadian Clock
BACKGROUND Circadian clocks are synchronized to the solar day via visual and specialized photoreceptors. In Drosophila, CRYPTOCHROME (CRY) is a major photoreceptor that mediates resetting of the… Expand
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Immunoreactivities to Three Circadian Clock Proteins in Two Ground Crickets Suggest Interspecific Diversity of the Circadian Clock Structure
The closely related crickets Dianemobius nigrofasciatus and Allonemobius allardi exhibit similar circadian rhythms and photoperiodic responses, suggesting that they possess similar circadian and… Expand
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Cryptochrome Antagonizes Synchronization of Drosophila’s Circadian Clock to Temperature Cycles
BACKGROUND In nature, both daily light:dark cycles and temperature fluctuations are used by organisms to synchronize their endogenous time with the daily cycles of light and temperature. Proper… Expand
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Rhodopsin 5– and Rhodopsin 6–Mediated Clock Synchronization in Drosophila melanogaster Is Independent of Retinal Phospholipase C-β Signaling
Circadian clocks of most organisms are synchronized with the 24-hour solar day by the changes of light and dark. In Drosophila, both the visual photoreceptors in the compound eyes as well as the… Expand
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