Journal Article10.1016/J.TEM.2007.01.002
Melatonin effects on the hypothalamo–pituitary axis in fish
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TL;DR: Studies of the targets and modes of action of melatonin in fish, and their parallels in mammals, are of interest to the understanding of time-related neuroendocrine regulation and its evolution from fish to mammals, as well as for aquacultural purposes.
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Abstract: Melatonin, a hormonal output signal of vertebrate circadian clocks, contributes to synchronizing behaviors and neuroendocrine regulations with the daily and annual variations of the photoperiod. Conservation and diversity characterize the melatonin system: conservation because its pattern of production and synchronizing properties are a constant among vertebrates; and diversity because regulation of both its synthesis and modes of action have been profoundly modified during vertebrate evolution. Studies of the targets and modes of action of melatonin in fish, and their parallels in mammals, are of interest to our understanding of time-related neuroendocrine regulation and its evolution from fish to mammals, as well as for aquacultural purposes.
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Citations
Current knowledge on the melatonin system in teleost fish
TL;DR: How manipulation of the photic cues impact on fish circannual clock and annual cycle of reproduction, and how this can be used for aquaculture purposes is discussed.
459
Current knowledge on the photoneuroendocrine regulation of reproduction in temperate fish species
TL;DR: This review aims to bring together the current knowledge on the photic control of reproduction mainly focusing on seasonal temperate fish species and shape the current working hypotheses supported by recent findings obtained in teleosts or based on knowledge gathered in mammalian and avian species.
293
Smolt Physiology and Endocrinology
TL;DR: The parr–smolt transformation of anadromous salmonids is a suite of behavioral, morphological, and physiological changes that are preparatory for downstream migration and seawater entry.
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Sleep–wake regulation and hypocretin–melatonin interaction in zebrafish
Lior Appelbaum,Gordon X. Wang,Géraldine S. Maro,Rotem Mori,Adi Tovin,Wilfredo Marin,Tohei Yokogawa,Koichi Kawakami,Stephen J. Smith,Yoav Gothilf,Emmanuel Mignot,Philippe Mourrain +11 more
TL;DR: The results demonstrate the existence of a functional HCRT neurons-pineal gland circuit able to modulate melatonin production and sleep consolidation and indicate that H CRT can modulatemelatonin production at night.
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Comparative insights of the kisspeptin/kisspeptin receptor system: lessons from non-mammalian vertebrates.
TL;DR: Detailed analyses of the genomic organization and functional characteristics of kiss/kisspeptins and gpr54 in different non-mammalian species, including fish, reptiles and amphibians have substantiated the conserved, essential roles of kisspeptin in the control of reproduction and disclosed intriguing evolutionary aspects ofkisspePTins and their receptors.
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References
Melatonin receptors are for the birds: Molecular analysis of two receptor subtypes differentially expressed in chick brain
TL;DR: Two receptors (CKA and CKB) of the G protein-coupled melatonin receptor family were cloned from chick brain and defined a new receptor subtype, the Mel1c melatonin receptors, which is distinct from theMel1a and Mel1b melatoninceptor subtypes.
Origin of cerebrospinal fluid melatonin and possible function in the integration of photoperiod
Hélène Tricoire,Morten Møller,Philippe Chemineau,Benoît Malpaux +3 more
- 01 Jan 2003
TL;DR: In this article, the authors tested the hypothesis that melatonin enters the cerebrospinal fluid through the pineal recess, an evagination of the third ventricle.
First cloning and functional characterization of a melatonin receptor in fish brain: a novel one?
TL;DR: The first full‐length cloning and functional characterization of a melatonin receptor (P2.6) in a fish, the pike (Teleost), and those of a phylogenetic analysis suggest that P.6 might belong to a distinct subtype group within the vertebratemelatonin receptor family.