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Keywords: Endothermy
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Journal Articles
JEB: 100 years of discovery
J Exp Biol (2023) 226 (18): jeb245751.
Published: 12 September 2023
... environment, to cooling down through the evaporation of body fluids and synthesizing heat shock proteins to prevent damage at the cellular level after heat exposure. In contrast, endothermy may allow an insect to fight parasitic infections, fly within a large range of T a and facilitate nest defense. Since...
Journal Articles
J Exp Biol (2023) 226 (15): jeb245256.
Published: 8 August 2023
... control lines in organ mass; V̇ O 2 ,max and BMR are uncorrelated. These results offer limited support for the aerobic capacity model, but are relevant to the ‘behavior evolves first’ model. Basal metabolic rate Behavior Endothermy Energetics Experimental evolution Locomotion...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (22): jeb244606.
Published: 25 November 2022
...Roberto F. Nespolo; Isabella Peña; Carlos Mejías; Abel Ñunque; Tomás Altamirano; Francisco F. Bozinovic ABSTRACT Endothermy, understood as the maintenance of continuous and high body temperatures owing to the combination of metabolic heat production and an insulative cover, is severely challenged...
Journal Articles
J Exp Biol (2022) 225 (10): jeb243933.
Published: 25 May 2022
... the trade-off between growth and thermoregulation, but the effects of temperature on the ontogeny of endothermy are not fully understood. Therefore, we experimentally tested whether heating the nest cup of Eurasian blue tits ( Cyanistes caeruleus ) during incubation would influence cold tolerance...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (1): jeb237743.
Published: 12 January 2021
...: Precocial birds incubated at low temperature take longer to develop cold tolerance, with possible costs for energy acquisition in early life. Body temperature Development Endothermy Heterothermy Life history Poultry Thermoregulation The demands of avian incubation often parallel, or even...
Journal Articles
J Exp Biol (2020) 223 (21): jeb233668.
Published: 4 November 2020
...-shivering thermogenesis was not reinforced by sea acclimatization. This result suggests that king penguins mainly rely on skeletal muscle contraction (shivering or locomotor activity) to maintain endothermy at sea. Sea-acclimatized immature penguins also exhibited higher shivering efficiency and oxygen...
Journal Articles
J Exp Biol (2020) 223 (21): jeb231761.
Published: 3 November 2020
... torpor, which is characterised by controlled reductions of metabolism and body temperature ( T b ). We investigated at what age the precocial king quail Coturnix chinensis can defend a high T b under a mild thermal challenge and whether they can express torpor soon after achieving endothermy to overcome...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (15): jeb223974.
Published: 11 August 2020
...: Thermogenic UCP1 was pseudogenized much earlier than previously thought, in a common ancestor of peccaries and pigs, providing the molecular rationale for cold sensitivity and current tropical biogeography among extant peccaries. Uncoupling protein 1 Endothermy Evolution Brown adipose tissue...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (21): jeb210963.
Published: 31 October 2019
... (cold-induced V̇ O 2 ,max ). However, it is unclear how selection at HA for shivering thermogenesis acts early in the development of small altricial mammals, which are born with immature skeletal muscles and without the capacity for homeothermic endothermy. We have previously shown that postnatal...
Journal Articles
J Exp Biol (2019) 222 (6): jeb197152.
Published: 15 March 2019
... of Biologists Ltd 2019 http://www.biologists.com/user-licence-1-1/ Summary: Intra-specific analysis of the heterothermic response in a wild mammal supports a novel specialist–generalist theoretical model for endothermic thermoregulation. Torpor Repeatability Homeothermy Endothermy Mammals...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (Suppl_1): jeb169425.
Published: 7 March 2018
... homeostasis, thus shaping the systemic integration of BAT and UCP1 and stretching the flexibility of BAT metabolism to the maximum. Thermogenic BAT may have contributed to key selection processes in the evolution of mammalian endothermy. Pinpointing the proximate and ultimate causes for the evolution...
Journal Articles
Journal Articles
J Exp Biol (2014) 217 (20): 3593–3596.
Published: 15 October 2014
...Vincent Careau; Bethany J. Hoye; Terence W. O'Dwyer; William A. Buttemer The aerobic capacity model proposes that endothermy is a by-product of selection favouring high maximal metabolic rates (MMR) and its mechanistic coupling with basal metabolic rate (BMR). Attempts to validate this model...
Journal Articles
J Exp Biol (2014) 217 (13): 2331–2337.
Published: 1 July 2014
... of Biologists Ltd 2014 Endothermy Dermochelys coriacea Jellyfish Diving Reptile Specific dynamic action Leatherback turtles, Dermochelys coriacea (Vandelli 1761), forage on gelatinous zooplankton in temperate waters of the North Atlantic Ocean during the summer and autumn ( James et al...
Journal Articles
J Exp Biol (2010) 213 (18): 3167–3176.
Published: 15 September 2010
... phosphorylation decreases significantly following the induction of hypothyroidism. We propose AMPK as a principal regulatory mechanism during the transition from ectothermy to endothermy in birds, and show that AMPK function in birds is similar to that observed in mammals. * Author for correspondence...
Journal Articles
J Exp Biol (2009) 212 (22): 3708–3718.
Published: 15 November 2009
... to the evolution of endothermy in fish. Our results suggest that the rete in the blood supply to the white muscle most likely evolved either simultaneously with, or before, the rete in the blood supply to the red muscle and the internalization of the red muscle. If it had not, our results clearly imply...
Journal Articles
Journal Articles
J Exp Biol (2008) 211 (14): 2239–2242.
Published: 15 July 2008
...–2.4°C ( Nieh et al.,2006 ). thermoregulation foraging pollen quality endothermy Bombus © The Company of Biologists Limited 2008 2008 12 5 2008 * Author for correspondence (e-mail: [email protected] ) ...
Journal Articles
J Exp Biol (2007) 210 (23): 4254–4261.
Published: 1 December 2007
...). * Author for correspondence present address: Ecology and Evolutionary Biology,321 Steinhaus Hall, University of California, Irvine, CA 92697-2525, USA(e-mail: [email protected] ) 19 9 2007 © The Company of Biologists Limited 2007 2007 endothermy metabolic rate temperature...
Journal Articles