PMID: 8443839Feb 1, 1993Paper

The circadian system of crustaceans

Chronobiology International
H AréchigaL Rodríguez-Sosa

Abstract

Crustaceans exhibit a variety of overt circadian rhythms. Observations on intact animals suggest the existence of more than one circadian pacemaker in the nervous system. Ablation experiments so far have been inconclusive in pin-pointing the location of putative pacemakers. However, various structures, most notably the optic peduncle, have been shown to sustain circadian rhythmicity in vitro. Retinal sensitivity and neurosecretory activity display circadian rhythms in the isolated optic peduncle, but they are also responsive to synchronizing influences from other regions of the central nervous system, most notably the supraesophageal ganglion. A model based on a number of circadian pacemakers distributed in the central nervous system best fits the experimental results at present. Coupling of rhythmicity between independent circadian pacemakers is likely to occur, and a neuroendocrine stage of integration has been proposed for several rhythms. Various entraining agents have been identified, and more than one may play a part in the synchronization of a given rhythm.

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Citations

Dec 1, 1993·Current Opinion in Neurobiology·H Aréchiga
Jan 1, 2012·Marine and Freshwater Behaviour and Physiology·Katharine R Grabek, Christopher C Chabot
Nov 5, 1998·Proceedings. Biological Sciences·H Aréchiga, L Rodríguez-Sosa
Sep 5, 2009·Chronobiology International·Jeremy M SullivanDavid C Sandeman
Sep 13, 2015·Chronobiology International·María de la Paz Rodríguez-Muñoz, Elsa G Escamilla-Chimal
Nov 14, 1997·Chronobiology International·L Rodríguez-SosaH Aréchiga
Nov 3, 2010·Progress in Neurobiology·E MeelkopT Janssen
Jun 20, 2008·Synapse·Leonardo Rodríguez-SosaGonzalo Flores
Oct 28, 2016·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Leonardo Rodríguez-SosaFrancisco F De-Miguel
Oct 27, 2016·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Carolina Barriga-MontoyaFroylán Gómez-Lagunas
Jan 20, 2009·Journal of Biological Rhythms·Abud J Farca LunaRalf Heinrich
Jan 23, 2003·Microscopy Research and Technique·María Luisa Fanjul-Moles, Julio Prieto-Sagredo
May 8, 2013·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·S B SainathP Sreenivasula Reddy
Aug 4, 2016·Journal of Toxicology and Environmental Health. Part a·Shaw D Bamber, Stig Westerlund
Feb 5, 2014·Journal of Biological Rhythms·Hiroki TakekataSakiko Shiga
Aug 1, 1994·Chronobiology International·P RedfernJ Waterhouse
Mar 24, 2004·The Journal of Experimental Biology·María Luisa Fanjul-MolesGabriela Hernández-Herrera
Sep 17, 2004·The Journal of Experimental Biology·M WildtB S Beltz
Jun 4, 1993·Brain Research·R Alvarado AlvárezH Aréchigá

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