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Keywords: symmorphosis
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Journal Articles
J Exp Biol (2021) 224 (16): jeb210849.
Published: 13 August 2021
... into the systems-level mechanisms underlying the evolution of complex performance traits. O 2 cascade Symmorphosis Physiological control concept Exercise Thermogenic capacity High-altitude adaptation Complex traits Natural Sciences and Engineering Research Council of Canada http://dx.doi.org...
Journal Articles
J Exp Biol (2013) 216 (19): 3627–3636.
Published: 1 October 2013
... in Bohai Bay are such that red knots can refuel fast whilst economizing on the size of their gizzard. These time-stressed migrants thus provide an elegant example of symmorphosis. * Author for correspondence ( theunis.piersma@nioz.nl ) AUTHOR CONTRIBUTIONS All authors contributed to the design...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (18): 3324–3333.
Published: 15 September 2012
...Edward P. Snelling; Roger S. Seymour; Sue Runciman; Philip G. D. Matthews; Craig R. White SUMMARY Weibel and Taylor's theory of symmorphosis predicts that the structural components of the respiratory system are quantitatively adjusted to satisfy, but not exceed, an animal's maximum requirement...
Journal Articles
J Exp Biol (2012) 215 (5): 746–759.
Published: 1 March 2012
... surface area, hematocrit, mean cellular hemoglobin content and the activities of mitochondrial enzymes per gram ventricle and pectoral muscle), arguing against symmorphosis. We also studied F1 hybrids to determine which traits in the oxygen cascade have a genetic architecture similar to that of Ṁ O 2 ,max...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (19): 3225–3237.
Published: 1 October 2011
...Edward P. Snelling; Roger S. Seymour; Sue Runciman; Philip G. D. Matthews; Craig R. White SUMMARY Taylor and Weibel's theory of symmorphosis predicts that structures of the respiratory system are matched to maximum functional requirements with minimal excess capacity. We tested this hypothesis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (3): 510–519.
Published: 1 February 2010
... oxygen transport peripheral limitation respiratory exchange ratio selection limit symmorphosis © 2010. 2010 6 10 2009 ‡ Author for correspondence ( tgarland@ucr.edu ) † Present address: Department of Biology, California State University, San Bernardino, CA 92407, USA...
Journal Articles
J Exp Biol (2007) 210 (23): 4179–4197.
Published: 1 December 2007
... unguiculatus metabolic rate rodent symmorphosis Mechanistic, comparative, ecological and evolutionary physiologists have long been interested in animal locomotion (e.g. Irschick and Garland, 2001 ; Oufiero and Garland, 2007 ). In most non-sessile animals, locomotor performance can be related...
Journal Articles
J Exp Biol (2006) 209 (7): 1310–1325.
Published: 1 April 2006
... of the cardiorespiratory physiology of GH transgenic salmon, and serves as a novel test of the theory of symmorphosis. The GH transgenic salmon had a 3.6× faster growth rate,and 21 and 25% higher values for mass-specific routine and standard oxygen consumption (Ṁ O 2 ),respectively. However, there was no concurrent...
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J Exp Biol (2004) 207 (15): 2663–2669.
Published: 1 July 2004
... bird lung juvenile development respiration morphometry diffusing capacity symmorphosis Comparative respiratory and cardiovascular physiology had focussed on the coordinated and adaptive functions of the organ systems in the adult animal. However, the developmental stages of those systems...
Journal Articles
J Exp Biol (2002) 205 (19): 2963–2970.
Published: 1 October 2002
...), or a peripheral excess capacity (if there is a central limitation); (4) utilizing different levels of energy demand to test for symmorphosis. * Author for correspondence (e-mail: lbacigal@genes.bio.puc.cl ) 18 7 2002 © The Company of Biologists Limited 2002 2002 sustained metabolic rate...
Journal Articles
J Exp Biol (2001) 204 (12): 2127–2132.
Published: 15 June 2001
... maximal aerobic speed maximal rate of oxygen consumption oxygen consumption postprandial prioritization reptile specific dynamic action symmorphosis Varanus exanthematicus ventilation. Organisms in nature must undertake many different kinds of activities and sometimes do several...
Journal Articles
J Exp Biol (2000) 203 (13): 2053–2064.
Published: 1 July 2000
... limits, symmorphosis) and explored relationships between basal metabolic rate (BMR), aerobic capacity and social rank. Males had a lower BMR, a higher and a greater aerobic scope than females. Females possessed larger peritoneal and reproductive organs, while males had larger hearts, lungs and leg...
Journal Articles
J Exp Biol (1999) 202 (17): 2269–2279.
Published: 1 September 1999
... and symmorphosis concepts). Basal metabolic rate (BMR) was determined during the rest phase. The maximum rate of oxygen consumption during exercise was measured in an enclosed wheel that allowed limited hovering flight. Neither BMR nor was affected by gender, but adults had significantly higher and lower BMR than...
Journal Articles
J Exp Biol (1998) 201 (3): 299–307.
Published: 1 February 1998
... biogenesis mitochondrial DNA symmorphosis oxidative phosphorylation NRF OX BOX respiration In general, mitochondria (mt) provide most of the energy for muscles under aerobic conditions. The differences in oxidative capacity between tissues appear to be due primarily to variation...
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J Exp Biol (1996) 199 (8): 1667–1674.
Published: 1 August 1996
... for testing the principle of symmorphosis, i.e. that structural capacity is quantitatively matched to functional demand in the oxidative substrate pathways. It is under these rate-limiting conditions that we predict that all of the structural capacity will be used. Maximal rates of fatty acid oxidation were...
Journal Articles
J Exp Biol (1996) 199 (8): 1659–1666.
Published: 1 August 1996
... dogs and goats. * Author for correspondence at address 2. 03 04 1996 © 1996 by Company of Biologists 1996 glucose oxidation muscle glycogen exercise metabolism symmorphosis dog goat In the preceding paper of this series ( Roberts et al . 1996 ), we have...
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