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Keywords: thermogenesis
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Journal Articles
J Exp Biol (2020) 223 (11): jeb218974.
Published: 4 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): jeb162586.
Published: 7 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 (2018) 221 (Suppl_1): jeb169425.
Published: 7 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...
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
... hibernation compared with the summer active period. In these comparisons, our results suggest that changes in expression of metabolic genes are primarily programmed by seasonal or circannual control, and are largely unaffected by increased thermogenesis and metabolic load associated with colder conditions...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (14): 2678–2685.
Published: 15 July 2006
... 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 membrane potentials...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (3): 466–474.
Published: 1 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
... of 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
...-running and maximal aerobic capacity in other rodents. artificial selection exercise experimental evolution locomotor activity maximum oxygen consumption running performance thermogenesis mouse Studies of locomotor performance have been crucial for understanding how behavior...
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 in rest...
Journal Articles
J Exp Biol (2004) 207 (4): 579–585.
Published: 1 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
... consumption physiological plasticity Peromyscus maniculatus repeatability thermogenesis ventilation During their lifetime, most animals can compensate for changing environmental conditions by altering functional capacities of physiological systems (physiological plasticity), by changing...
Journal Articles
J Exp Biol (2003) 206 (7): 1221–1231.
Published: 1 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: 1 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...
Journal Articles
J Exp Biol (1991) 161 (1): 383–403.
Published: 1 November 1991
... by Company of Biologists 1991 metabolism thermogenesis oxidative capacity scombroid fishes. The majority of teleost fishes are obligate ectotherms. Thus, variations in environmental temperature profoundly challenge their ability to maintain internal homeostasis. Adaptive responses...
Journal Articles
J Exp Biol (1986) 126 (1): 97–109.
Published: 1 November 1986
..., indications that no phase displacement of antagonistically working muscles takes place. 01 07 1986 © 1986 by Company of Biologists 1986 thermogenesis stridulation muscle activity Orthoptera bushcrickets Many insects increase their body temperature above ambient temperature...