PMID: 12785061Jun 6, 2003Paper

The effect of photoperiod and light irradiance on the antioxidant circadian system of two species of crayfish from different latitudes: Procambarus clarkii and P. digueti

Photochemistry and Photobiology
María Luisa Fanjul-MolesJulio Prieto-Sagredo

Abstract

This work was carried out to study the antioxidant circadian system of two species of crayfish of different latitude origin. We investigated (1) whether both species possess glutathione circadian rhythms and (2) whether both species' rhythms differ in their ability to synchronize to 24 h cycles. Two batches of Procambarus clarkii and P. digueti were kept in (1) light-dark (LD) 12:12 low irradiance (LI) cycles and then exposed to (2) 72 h of complete darkness, (3) LD 12:12 high irradiance (HI), (4) LD 20:4 LI and (5) LD 20:4 HI for 2 weeks. The midgut and hemolymph were sampled and reduced and oxidized glutathione as well as glutathione reductase and glutathione peroxidase were assayed. Cosinor and analysis of variance revealed differences between both species. Procambarus clarkii robust antioxidant circadian rhythms are able to entrain to all conditions resetting to lights on or off. However, the P. digueti weak circadian glutathione system did not entrain to the LD cycles, showing a random distribution of phases. In this species, LD 12:12 and 20:4 HI evidenced significant daily rhythms indicating a damped circadian antioxidative system that is enhanced by the effect of light. This suggests that each species' photoperiodic hist...Continue Reading

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Citations

Sep 3, 2008·Archives of Microbiology·Daniel Rios-BarreraM Eugenia Torres-Marquez
Feb 5, 2013·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Natasha SchvezovM Carolina Romero
Oct 21, 2011·Photochemistry and Photobiology·Rosa María Velázque-AmadoMaría Luisa Fanjul-Moles
Feb 15, 2011·Ecotoxicology and Environmental Safety·Zeinab A El-Bakary, Alaa El-Din H Sayed
Jul 18, 2009·General and Comparative Endocrinology·Fábio Everton MacielLuiz Eduardo Maia Nery
Apr 17, 2007·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·B K DutraG T Oliveira
Mar 27, 2007·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Orlando V Furtado-FilhoMarcelo Hermes-Lima
May 8, 2013·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·S B SainathP Sreenivasula Reddy
Aug 8, 2006·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·M Carolina RomeroGustavo A Lovrich
Apr 25, 2016·Ecotoxicology and Environmental Safety·Fernando Machado BraghirolliGuendalina Turcato Oliveira
Apr 29, 2016·Journal of Human Lactation : Official Journal of International Lactation Consultant Association·David KatzerSoyhan Bagci
Jan 20, 2009·Journal of Biological Rhythms·Abud J Farca LunaRalf Heinrich
Dec 19, 2003·Chronobiology International·Rüdiger HardelandBurkhard Poeggeler
Jul 26, 2018·International Journal of Molecular Sciences·Leonor Mendoza-VargasHéctor Solís-Chagoyán

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