Titlebook: Biological Timekeeping: Clocks, Rhythms and Behaviour; Vinod Kumar Book 2017 Springer (India) Pvt. Ltd. 2017 Clock.Metabolism.Rhythm.Seaso

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Light Resetting and Entrainment of Human Circadian Rhythmssystem. First, we describe the importance of circadian entrainment and how the circadian system is organized to fulfill this purpose. Then, we discuss factors that influence the magnitude of circadian light responses, including the circadian phase of light exposure and characteristics of the light s

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https://doi.org/10.1007/978-3-7091-0064-6ce the origins of ideas from antiquity to the experimental study of the daily movements of leaves; on?to the twentieth-century realization that circadian rhythms are widespread, endogenous, and innate; and finally to the appreciation that such rhythms could be utilized by organisms for the measureme

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https://doi.org/10.1007/978-3-7091-0064-6rhythms to annual rhythms. Here we will focus on the organisation of daily rhythms and the underlying circadian oscillators. The molecular mechanisms of circadian oscillators are discussed for mammals and insects. Different light resetting mechanisms and input pathways of circadian oscillators are e

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S?ren H. Kreuzer,Christian Na?elnerally phase shifted slowly and incrementally by light. Because the earth’s axis of rotation is tilted relative to the revolution around the sun, there is an additional selection pressure for clocks to adjust their waveform (i.e., shape of the daily oscillation) to match seasonal variation in dayle

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S?ren H. Kreuzer,Christian Na?elforms supports the hypothesis that such rhythms are probably adaptive. This is further substantiated by studies demonstrating that dysfunctional circadian clocks are associated with multiple aberrant physiological processes. However, owing to the complex interplay of life-history traits that collect

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https://doi.org/10.1007/978-3-658-29885-2ild a more general understanding of the mechanisms and evolution of the circadian timing system in vertebrates. While in mammals peripheral clocks rely on systemic signals for their entrainment, in fish these clocks are directly light entrainable. Furthermore, in fish the transcription of a set of g

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UICC International Union Against Cancerkeeping mechanisms plays modulatory roles in various fundamental life processes from molecular, biochemical, cellular, physiological, to behavioral levels. Circadian dysrhythmias lead to malfunctions of the body and numerous diseases. The zebrafish (.) as an important animal model has recently becom