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Keywords: thermogenesis
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Journal Articles
J Exp Biol (2020) 223 (11): jeb218974.
Published: 04 June 2020
...Jing Wen; Tingbei Bo; Xueying Zhang; Zuoxin Wang; Dehua Wang ABSTRACT Ambient temperature and food composition can affect energy metabolism of the host. Thermal transient receptor potential ion channels (thermo-TRPs) can detect temperature signals and are involved in the regulation of thermogenesis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (21): jeb210963.
Published: 31 October 2019
...Cayleih E. Robertson; Grant B. McClelland ABSTRACT Many endotherms native to cold and hypoxic high-altitude (HA) environments have evolved a highly vascularized and aerobic skeletal muscle. This specialized muscle phenotype contributes via shivering to an enhanced capacity for aerobic thermogenesis...
Journal Articles
J Exp Biol (2018) 221 (Suppl_1): jeb169425.
Published: 07 March 2018
... organisms, which was instrumental to the discovery of BAT function, and the unique evolutionary history of BAT/UCP1 in mammalian thermogenesis. The comparative biology of BAT provides a powerful integrative approach that could identify conserved and specialized functional changes in BAT and UCP1 by...
Journal Articles
J Exp Biol (2018) 221 (Suppl_1): jeb162586.
Published: 07 March 2018
...Mallory A. Ballinger; Matthew T. Andrews; Raul K. Suarez; Hans H. Hoppeler ABSTRACT Brown adipose tissue (BAT) is a unique thermogenic tissue in mammals that rapidly produces heat via nonshivering thermogenesis. Small mammalian hibernators have evolved the greatest capacity for BAT because they use...
Journal Articles
J Exp Biol (2014) 217 (12): 2032–2036.
Published: 15 June 2014
... thermogenesis is not active, suggesting active mechanisms of metabolic suppression, rather than passive thermal effects. Mitochondrial respiration is suppressed during torpor, especially when measured in liver mitochondria fuelled with succinate at 37°C in vitro . This suppression of mitochondrial metabolism...
Journal Articles
J Exp Biol (2013) 216 (12): 2349–2358.
Published: 15 June 2013
... day 10 of lactation. Energy intake, number of pups and litter mass, milk energy output (MEO), thermogenesis, mass of the mammary glands and brown adipose tissue cytochrome c oxidase activity of the mothers were measured. At 21 and 5°C, pup mass at weaning was almost independent of litter size...
Journal Articles
J Exp Biol (2011) 214 (8): 1300–1306.
Published: 15 April 2011
... . 10 1 2011 © 2011. 2011 arctic ground squirrel fuel substrate metabolism real-time PCR thermogenesis torpor hibernation Hibernation in mammals is characterized by a suite of interconnected morphological, physiological, molecular and behavioral changes that enable...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (14): 2678–2685.
Published: 15 July 2006
... between the endothermic and ectothermic sharks. This finding indicates that red muscle and liver mitochondria of the shortfin mako shark are not specialized for thermogenesis by having a higher proton conductance. However, mako mitochondria did have higher succinate-stimulated respiration rates and...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (3): 466–474.
Published: 01 February 2006
...David L. Swanson; Eric T. Liknes SUMMARY Small birds showing marked seasonal changes in cold tolerance also exhibit winter increases in summit metabolic rate ( M sum =maximum cold-induced thermogenesis or thermogenic capacity) relative to summer birds. However, some birds show modest seasonal...
Journal Articles
J Exp Biol (2005) 208 (16): 3159–3167.
Published: 15 August 2005
... skeletal muscle in these animals is greatly increased. We investigated the effects of this plastic response to thermogenesis on locomotion and muscle mechanics. In cold-exposed animals, cost of transport was 15% higher than in controls but was unaffected by exercise training. Twitch kinetics in isolated...
Journal Articles
J Exp Biol (2005) 208 (12): 2447–2458.
Published: 15 June 2005
... the energetic cost of running. J. Exp. Biol. 116 , 363 -373. Nespolo, R. F., Bacigalupe, L. D., Rezende, E. L. and Bozinovic,F. ( 2001 ). When non-shivering thermogenesis equals maximum metabolic rate: thermal acclimation and phenotypic plasticity of fossorial Spalacopus cyanus (Rodentia...
Journal Articles
J Exp Biol (2004) 207 (5): 749–754.
Published: 15 February 2004
... a significant thermogenic role for the PFK/FbPase cycle. In agreement with earlier studies, both PFK and FbPase activities were found to scale allometrically with body size (allometric exponents -0.18 and -1.33,respectively). The cycle may serve to supplement thermogenesis or amplify glycolytic flux...
Journal Articles
J Exp Biol (2004) 207 (4): 579–585.
Published: 01 February 2004
... precluded from adjusting their thermoregulatory behavior. The feeding-derived thermogenesis caused the surface body temperature of rattlesnakes to increase by 0.9–1.2°C, a temperature change that will significantly affect digestive performance. The alterations in body temperature following feeding...
Journal Articles
J Exp Biol (2004) 207 (2): 295–305.
Published: 15 January 2004
... thermogenesis ventilation During their lifetime, most animals can compensate for changing environmental conditions by altering functional capacities of physiological systems (physiological plasticity), by changing behavior (behavioral plasticity), or both ( Garland and Carter,1994 ; Huey and Berrigan...
Journal Articles
J Exp Biol (2003) 206 (7): 1221–1231.
Published: 01 April 2003
... for mammals, their basal metabolic rate (BMR) and maximal oxygen consumption in exercise( V̇ O 2 max ) and thermogenesis( V̇ O 2 sum )increased as power functions of mass. Age did not affect BMR, but we found abrupt decreases in growth rate, V̇ O 2 max and V̇ O 2 sum at approximately 485 days of age...
Journal Articles
J Exp Biol (2003) 206 (5): 805–812.
Published: 01 March 2003
... content but have lost most of the contractile myofilaments. Thermogenesis has been hypothesized to be associated with release and reuptake of Ca 2+ . In this study,Ca 2+ fluxes in heater SR vesicles derived from blue marlin( Makaira nigricans ) were measured using fura-2 fluorescence. Upon the addition of...
Journal Articles
J Exp Biol (1986) 126 (1): 97–109.
Published: 01 November 1986
..., however, indications that no phase displacement of antagonistically working muscles takes place. 1 7 1986 © 1986 by Company of Biologists 1986 thermogenesis stridulation muscle activity Orthoptera bushcrickets J. exp. Biol. 126, 97-109 (1986) 9 7 Printed in Great Britain © The...