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Keywords: Bioenergetics
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Journal Articles
J Exp Biol (2020) 223 (21): jeb233684.
Published: 04 November 2020
... The Company of Biologists Ltd 2020 http://www.biologists.com/user-licence-1-1/ Highlighted Article: Sea acclimatization improves mitochondrial coupling efficiency in skeletal muscle of king penguins, favoring an economical management of oxygen during dives. Bioenergetics Marine...
Journal Articles
J Exp Biol (2020) 223 (12): jeb223776.
Published: 17 June 2020
... supercomplexes of mitochondrial electron transport chain complexes I and III varies among vertebrates and is greatest in poikilothermic reptiles and weakest in endotherms. Bioenergetics Complexomics Mass spectrometry Mitochondria Oxidative phosphorylation Reactive oxygen species Respiration...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (6): jeb217091.
Published: 27 March 2020
... reconstructing lifetime biological trends in wild fish. Summary: Experimental corroboration of an inexpensive chemical proxy of metabolic rates in fish by relating biomineral isotopes to measured metabolic parameters. Chemical proxy Otolith chemistry Bioenergetics Field metabolic rate Teleost...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (7): jeb177469.
Published: 06 April 2018
... bioenergetic differences between active and inactive individuals carry over to impact performance in a subsequent reproductive event and alter a female's reproductive outcome. Female mice that had access to a running wheel for a month before mating gave birth to a larger litter and weaned a heavier litter...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (4): jeb172213.
Published: 14 February 2018
...: Fasting lowers the capacity of the respiratory machinery to pump protons, which generates a lower membrane potential, triggering a large decrease in proton leak activity and thus a higher coupling efficiency. Bioenergetics Proton conductance Membrane potential Oxidative phosphorylation Electron...
Journal Articles
J Exp Biol (2017) 220 (23): 4330–4338.
Published: 01 December 2017
... and subsequent generations protection from future starvation events. Bioenergetics Diet Epigenetics Fasting Nutrition Weight loss Limitation in the availability of food is an omnipresent challenge faced by many animal populations. The durations of these events can be brief, and...
Journal Articles
J Exp Biol (2017) 220 (13): 2445–2451.
Published: 01 July 2017
... bioenergetics in king penguin ( Aptenodytes patagonicus ) chicks. Rates of mitochondrial oxidative phosphorylation were measured in pectoralis permeabilized fibres and isolated mitochondria. Mitochondrial ATP synthesis efficiency and the activities of respiratory chain complexes were measured in mitochondria...
Journal Articles
J Exp Biol (2017) 220 (3): 397–407.
Published: 01 February 2017
.../ Summary: Calibrations between metabolic rate, body acceleration and temperature in three coastal sharks offer a tool to estimate field metabolic rates in these species. Respirometry Acceleration data logger Elasmobranch Field metabolic rate Bioenergetics The life history and ecology of...
Journal Articles
J Exp Biol (2016) 219 (19): 3019–3027.
Published: 01 October 2016
... expression of metabolic genes in response to a decrease in body temperature. Mitochondria Oxidative phosphorylation Goldfish Thermal acclimation Bioenergetics Nuclear respiratory factor 1 The ability to increase mitochondrial content in response to energy stress is an important capacity...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (20): 3222–3228.
Published: 01 October 2015
... source of chemical energy. However, the link between body size and mitochondrial function is still unclear, especially in ectotherms. In this study, we investigated several parameters of mitochondrial bioenergetics in the liver of three closely related species of frog (the common frog Rana temporaria...
Journal Articles
J Exp Biol (2015) 218 (15): 2427–2434.
Published: 01 August 2015
... from oxidation to storage within the tissue. Mitochondria Bioenergetics Energy efficiency Starvation Birds Oxidative metabolism Fasting is a major characteristic of the life cycle of many wild mammals and birds. These periods of fasting occur during reproduction, moult or migration...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (20): 3700–3707.
Published: 15 October 2014
.... wrote the paper. Competing interests The authors declare no competing financial interests. 8 4 2014 1 8 2014 © 2014. Published by The Company of Biologists Ltd 2014 Bioenergetics Energy requirements Energy stores Fasting Body condition Niche Mapper™ Mechanistic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (5): 760–765.
Published: 01 March 2012
... 2011 © 2012. 2012 reproductive allocation placentation bioenergetics Mechanisms by which resources are allocated to competing functions are key components of individual life histories and may explain variation in life-history traits ( Dunham et al., 1989 ). In particular...
Journal Articles
J Exp Biol (2009) 212 (15): 2483–2490.
Published: 01 August 2009
... depth and wind speed also substantially affect energy requirements( Table 4 ). We used Niche Mapper™ to estimate the daily energy expenditure and food requirements of little auks and Brünnich's guillemots wintering in northwest Atlantic waters. As in all bioenergetics studies, even the most...
Journal Articles
J Exp Biol (2008) 211 (3): 391–400.
Published: 01 February 2008
.... * Author for correspondence (e-mail: marcin.czarnoleski@uj.edu.pl ) 20 11 2007 © The Company of Biologists Limited 2008 2008 metabolism growth rate 3/4 power law life history allometry cost of growth body size experimental evolution growth efficiency bioenergetics food...
Journal Articles
J Exp Biol (2007) 210 (10): 1825–1833.
Published: 15 May 2007
... energy cost of locomotion bioenergetics biomechanics ice skate The energy-saving principle is one of the strongest factors leading the evolution of the different movement strategies adopted in the animal world:human locomotion, as well as the locomotion of many animals, evolved in order to...
Journal Articles
J Exp Biol (2005) 208 (20): 3873–3884.
Published: 15 October 2005
...Bryan P. Wallace; Cassondra L. Williams; Frank V. Paladino; Stephen J. Morreale; R. Todd Lindstrom; James R. Spotila SUMMARY Physiology, environment and life history demands interact to influence marine turtle bioenergetics and activity. However, metabolism and diving behavior of free-swimming...
Journal Articles
J Exp Biol (2001) 204 (20): 3561–3570.
Published: 15 October 2001
...-ranging fish in nature. *e-mail: dmwebber@is.dal.ca 9 7 2001 © The Company of Biologists Limited 2001 2001 cod Gadus morhua pressure swimming speed tailbeat frequency bioenergetics oxygen consumption fish. To date, heart rate ( f h ) appears to be the best...
Journal Articles
J Exp Biol (1990) 154 (1): 383–396.
Published: 01 November 1990
... locomotion bioenergetics cephalopods evolution metabolic rate swimming power density J. exp. Biol. 154, 383-396 (1990) 3 8 3 Printed in Great Britain © The Company of Biologists Limited 1990 SPEED, JET PRESSURE AND OXYGEN CONSUMPTION RELATIONSHIPS IN FREE-SWIMMING NAUTILUS BY R. K. O'DOR1'2, J...
Journal Articles
J Exp Biol (1987) 128 (1): 63–85.
Published: 01 March 1987
... times faster words: bioenergetics, fish, oxygen consumption, exercise, osmoregulation, tilapia. 64 R. FEBRY AND P. LUTZ than the rate of increase in osmoregulation costs, suggesting that the latter did not limit the delivery of oxygen to the swimming, and other supporting, muscles. INTRODUCTION The use...