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Keywords: Circadian rhythms
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Journal Articles
J Exp Biol (2021) 224 (24): jeb242970.
Published: 17 December 2021
... sticklebacks ( Gasterosteus aculeatus ) at the behavioural and molecular levels. Although their behaviour, ecology and evolution are well studied, information on their circadian rhythms are scarce. We quantified the daily locomotor activity rhythm under a light:dark cycle (LD) and under constant darkness (DD...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (10): jeb233213.
Published: 17 May 2021
...Grace H. Goh; Dominique Blache; Peter J. Mark; W. Jason Kennington; Shane K. Maloney ABSTRACT Circadian rhythms optimize health by coordinating the timing of physiological processes to match predictable daily environmental challenges. The circadian rhythm of body temperature is thought...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (1): jeb192195.
Published: 10 January 2019
... synchrony among circadian oscillator neurons of the SCN . Elife   3 , e03357 . 10.7554/eLife.03357 Hirayama , J. , Kaneko , M. , Cardone , L. , Cahill , G. and Sassone-Corsi , P. ( 2005 ). Analysis of circadian rhythms in zebrafish . Methods Enzymol.   393 , 186 - 204...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (5): jeb170670.
Published: 12 March 2018
... compensation feature of circadian rhythms may have been under stronger selection in eurythermal than in stenothermal species, which generally experience small variation in temperature. Experiments on both steno- and eurythermal species under constant conditions at different temperatures could be used...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (21): 3869–3872.
Published: 1 November 2017
.... In current working models for photoperiodic entrainment, as the duration of the nocturnal melatonin signal declines with increasing day length, it triggers a spring response by enhancing the amplitude of circadian rhythms of key transcriptional activators in the PT ( Dardente et al., 2010 ; Matsumoto et al...
Journal Articles
J Exp Biol (2017) 220 (9): 1684–1692.
Published: 1 May 2017
..., but with different temporal patterns. It is widely known that a natural dark phase which is undisturbed by artificial light is essential for optimal circadian function. Here, we show that light intensity during the photophase also plays a key role in maintaining circadian rhythms in rodents, irrespective...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (8): 1093–1105.
Published: 15 April 2016
... of light, will produce the hormone melatonin. This hormone synchronizes the inherent daily, or circadian, rhythms of the body. The basic mechanisms behind the regulation of seasonal or circannual events, such as reproduction and moult, are more complex and less well understood ( Hazlerigg and Simonneaux...
Journal Articles
J Exp Biol (2014) 217 (15): 2698–2703.
Published: 1 August 2014
... higher than those of spiders inhabiting bright shrub and open areas ( P =0.034) and shaded forests ( P =0.035) (e.g. Atypidae: Calommata signata , 382 nm; Ctenizidae: Latouchia cornuta , 390 nm; and Latouchia sp. 1, 412 nm; Fig. 3 ). We found that circadian rhythms had no significant effects...
Journal Articles
J Exp Biol (2014) 217 (8): 1307–1315.
Published: 15 April 2014
...Manuel A. Giannoni-Guzmán; Arian Avalos; Jaime Marrero Perez; Eduardo J. Otero Loperena; Mehmet Kayım; Jose Alejandro Medina; Steve E. Massey; Meral Kence; Aykut Kence; Tugrul Giray; José L. Agosto-Rivera Circadian rhythms in social insects are highly plastic and are modulated by multiple factors...
Journal Articles
J Exp Biol (2009) 212 (20): 3339–3348.
Published: 15 October 2009
... at night and in the winter at any given level of total ventilation,facilitating longer submergence at times of the day and year when turtles are most vulnerable. * Author for correspondence( reyes@zoology.ubc.ca ) 16 7 2009 2009 circadian rhythms circannual rhythms respiratory...
Journal Articles
J Exp Biol (2008) 211 (18): 3028–3040.
Published: 15 September 2008
... reveals that the youngest adult bees sleep the most, with all older castes sleeping the same amount. This in-cell potential sleep may compensate for what would otherwise indicate an exceptional increase of sleep in an aging animal. circadian rhythms division of labor ontogeny rest sleep worker...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2006) 209 (14): 2794–2803.
Published: 15 July 2006
...Sabine Hofer; Uwe Homberg SUMMARY The accessory medulla (AMe), a small neuropil in the optic lobe, houses the master circadian clock in the brain of the cockroach Leucophaea maderae and controls circadian rhythms in locomotor activity. Recently,members of the orcokinin family of crustacean...