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Keywords: Life history
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Journal Articles
J Exp Biol (2021) 224 (13): jeb241109.
Published: 09 July 2021
... mammals. Immunology Leukocytes Life history Flight Allometry Chiroptera Scaling Powered flight has evolved at least three times in the evolutionary history of vertebrates and yet is one of the most energetically costly modes of transportation ( Rayner, 1988 ). Birds and bats experience...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (12): jeb242465.
Published: 18 June 2021
... of fast growth on telomerase activity, thus providing a new mechanism through which growth rates may affect telomere dynamics and potentially life-history trajectories. * Author for correspondence ( josec.noguera.amoros@gmail.com ) Competing interests The authors declare no competing or...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (1): jeb237743.
Published: 12 January 2021
... Highlighted Article: 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...
Journal Articles
J Exp Biol (2020) 223 (23): jeb226472.
Published: 11 December 2020
... helping to maximise fitness. These findings support the theory that the JH family is crucial in regulating insect behaviour and life histories. * Author for correspondence ( rjsouthon@gmail.com ) Competing interests The authors declare no competing or financial interests. 9 4 2020...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (23): jeb228585.
Published: 02 December 2020
... similar guard-stage foraging costs despite life history and foraging strategy differences; however, lighter forecasted wind in endemic albatross ranges may increase take-off costs and increase sit-and-wait strategies. Seabirds Doubly labeled water Field metabolic rate Foraging behavior Daily...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (20): jeb232132.
Published: 16 October 2020
... locomotor performance (endurance versus sprinting) results in complex trade-offs with the immune system that are not caused by energy limitation alone. Ecoimmunology Life history Performance Trade-offs Life-history theory predicts that organisms should allocate finite resources to traits in...
Journal Articles
J Exp Biol (2020) 223 (1): jeb212373.
Published: 06 January 2020
...Ben Dantzer; Freya van Kesteren; Sarah E. Westrick; Stan Boutin; Andrew G. McAdam; Jeffrey E. Lane; Robert Gillespie; Ariana Majer; Mark F. Haussmann; Pat Monaghan ABSTRACT Elevations in glucocorticoid (GC) levels in breeding females may induce adaptive shifts in offspring life histories. Offspring...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (24): jeb209270.
Published: 18 December 2019
...Andy J. Turko; Justine E. Doherty; Irene Yin-Liao; Kelly Levesque; Perryn Kruth; Joseph M. Holden; Ryan L. Earley; Patricia A. Wright ABSTRACT Metabolic rate and life-history traits vary widely both among and within species, reflecting trade-offs in energy allocation, but the proximate and ultimate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (16): jeb205237.
Published: 16 August 2019
...' Choice: Hindlimb muscle leverage declines during growth in cottontail rabbits, likely promoting increased locomotor performance during the precarious juvenile period of life history. Muscle leverage Allometry Development Muscle force Life history where M x is the moment about the x...
Journal Articles
J Exp Biol (2019) 222 (13): jeb202150.
Published: 05 July 2019
... suggests that overwinter survival in diapause does not require larger energy reserves than direct development, likely because of metabolic suppression in diapause pupae. The results, nevertheless, demonstrate that physiological changes coincide with the divergence of life histories between the alternative...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (13): jeb194688.
Published: 02 July 2019
... understand the mechanistic basis of fitness costs. Fourth, I propose the ‘redox signalling hypothesis’ of life history to complement the current ‘oxidative stress hypothesis’ of life history. The latter states that oxidative damage underlies trade-offs because it affects traits like growth, reproduction or...
Journal Articles
J Exp Biol (2019) 222 (12): jeb195545.
Published: 25 June 2019
... performance. Reproduction prior to an oxidative stressor improved liver mitochondria coupling, while skeletal muscle mitochondrial density decreased. Oxidative stress Life history House mice RCR Reactive oxygen species Mitochondrial energetics and reactive oxygen species (ROS) production...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (18): 3391–3397.
Published: 15 September 2017
... energetic and nutrient costs of glucocorticoid-accelerated development alter fitness trade-offs across life stages. Amphibian Life history Trade-off Glucocorticoids Corticosterone Stable isotopes Larval development is shaped by genetic and environmental interactions, and variation in...
Journal Articles
J Exp Biol (2017) 220 (10): 1905–1914.
Published: 15 May 2017
... an ecological perspective, oxidative stress may serve as an important constraint to life-history traits, such as lifespan, reproduction and the immune system, and is gaining interest as a potential mechanism underlying life-history trade-offs. Of late, there has been much interest in understanding...
Journal Articles
J Exp Biol (2017) 220 (8): 1497–1502.
Published: 15 April 2017
... that trained adults have enhanced growth, so juvenile growth is either insensitive to stimulation with exercise, or they are already growing at maximal rates. Our results add to a growing body of literature indicating that locomotor performance is an important part of life-history trade-offs that are...
Journal Articles
J Exp Biol (2017) 220 (1): 42–52.
Published: 01 January 2017
...Jacob A. Jezovit; Joel D. Levine; Jonathan Schneider; Joel D. Levine; Daniel J. C. Kronauer; Michael H. Dickinson ABSTRACT Social behaviour emerges from the local environment but is constrained by the animal's life history and its evolutionary lineage. In this perspective, we consider the genus...
Journal Articles
J Exp Biol (2015) 218 (22): 3596–3603.
Published: 01 November 2015
... reduced survival and reproduction. Development Carbon dioxide Ectoparasite Life history Reproductive success Survival Author contributions C.J.D. conceived the idea for the experiment; all authors helped design the experiment; C.J.D. and I.S.K. executed the experiment; C.J.D. and...
Journal Articles
J Exp Biol (2015) 218 (2): 223–227.
Published: 15 January 2015
... their behaviour and life history as a result of selective breeding in laboratory conditions. Further exploration of the direct effects of oxidative stress on aggression in a more diverse range of species, perhaps through manipulation of ROS production (genetic manipulation of antioxidant defence is only...
Journal Articles
J Exp Biol (2014) 217 (23): 4237–4243.
Published: 01 December 2014
...David Costantini; Giulia Casasole; Marcel Eens A central principle of life-history theory is that parents trade investment in reproduction against that in body maintenance. One physiological cost thought to be important as a modulator of such trade-off is oxidative stress. Experimental support for...
Journal Articles
J Exp Biol (2014) 217 (22): 4043–4048.
Published: 15 November 2014
... Biologists Ltd 2014 Life history Memory consolidation Memory retention Normothermy Torpor Long-term memory is important for many animals in a variety of different contexts ( Roth et al., 2010 ). Good memory allows for quick and effective rediscovering of food resources and hides...