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Keywords: Development
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Journal Articles
J Exp Biol (2021) 224 (14): jeb242387.
Published: 30 July 2021
... present study, these results emphasize that development of a complex organism is limited by the circulatory system. Thus, protecting a rigid cardiac developmental programme ensures that the growth and organization of the heart muscle parallels somatic growth such that increasing peripheral demands from...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (14): jeb242393.
Published: 15 July 2021
..., time to eclosion and the allometric scaling of RMR. Given that agricultural intensification and increasing urbanisation have led to a decrease in both forage availability and dietary diversity for bees, our results are critical to improving understanding of the impacts of poor developmental nutrition...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (11): jeb242158.
Published: 04 June 2021
... effects on adult immune function are unknown. We found no effects of a developmental manipulation on innate immune function during adulthood in zebra finches. Innate immunity Development Brood size manipulation Meso-population Taenopygia guttata The early developmental period is a...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (10): jeb236620.
Published: 25 May 2021
...Sarah E. Westrick; Freya van Kesteren; Stan Boutin; Jeffrey E. Lane; Andrew G. McAdam; Ben Dantzer ABSTRACT As a response to environmental cues, maternal glucocorticoids (GCs) may trigger adaptive developmental plasticity in the physiology and behavior of offspring. In North American red squirrels...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (1): jeb237743.
Published: 12 January 2021
...Andreas Nord; Jan-Åke Nilsson ABSTRACT Incubating birds trade off self-maintenance for keeping eggs warm. This causes lower incubation temperature in more challenging conditions, with consequences for a range of offspring traits. It is not yet clear how low developmental temperature affects cold...
Journal Articles
J Exp Biol (2020) 223 (22): jeb233254.
Published: 30 November 2020
... developmental changes other than size, with fertilization (including gamete interactions, fusion and reactivation of the dormant metabolism of eggs to initiate cell division; Epel, 1977 ) proving much less sensitive than embryo and larval development. First, all life stages have thermal optima that exceed the...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (20): jeb227884.
Published: 16 October 2020
... during adulthood (i.e. acclimation) rather than during development. Beetles that experienced high temperature fluctuations during adulthood, regardless of developmental conditions, exhibited lower thermal sensitivity of metabolism and lower metabolic rates. This suggests that adult thermal plasticity and...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (18): jeb231985.
Published: 25 September 2020
... always limit oxygen diffusion. Aerial incubation coupled with hypoxia causes some embryos to arrest development. The observed stage-specific responses are consistent with an intrinsic bet-hedging strategy in embryos that would increase developmental variation in a potentially adaptive manner...
Journal Articles
J Exp Biol (2020) 223 (6): jeb213009.
Published: 16 March 2020
... mm 3 samples from vertebral bodies and tested them in compression in three orientations (rostrocaudal, dorsoventral and mediolateral) at 2 mm min −1 . We determined variation in mechanical properties between sexes, and among developmental stages, vertebral regions and testing orientations. We also...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (5): jeb219311.
Published: 05 March 2020
... delayed and the probability of successful metamorphosis significantly decreased (but see Rose and Jones, 2013 ). Buoyancy and developmental necessity are not mutually exclusive hypotheses, as both could provide selection pressure for recently hatched tadpoles to inflate their lungs prior to any role in...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (3): jeb210302.
Published: 07 February 2020
... onset of the developmental process, the embryo is subject to environmental fluctuations that may prompt responses which in turn leave a long-lasting imprint on the developed organism. This general hypothesis, known as the predictive adaptive response hypothesis ( Bateson et al., 2014 ), has its origins...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (Suppl_1): jeb208215.
Published: 01 February 2020
.... , Stocker , R. F. , Tanaka , N. K. , Ito , K. and Luo , L. ( 2004 ). Developmental origin of wiring specificity in the olfactory system of Drosophila . Development 131 , 117 - 130 . 10.1242/dev.00896 Jhaveri , D. , Sen , A. and Rodrigues , V. ( 2000 ). Mechanisms...
Journal Articles
J Exp Biol (2019) 222 (22): jeb213405.
Published: 13 November 2019
... thermal maxima (CT max ) than high latitude populations, and variation in developmental temperature altered CT max plasticity in adults. After development at 25°C, CT max was plastic in adults, whereas no adulthood plasticity in this trait was observed after development at 20°C. This pattern was identical...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (16): jeb208553.
Published: 21 August 2019
... developmental stage ( Balderrama and Maldonado, 1973 ). The growth of the head and the eyes is such that throughout development, the fovea registers a stimulus at the maximum catching distance. This triggers a striking movement at a distance that is appropriate for the length of the limbs at each developmental...
Journal Articles
J Exp Biol (2019) 222 (16): jeb205237.
Published: 16 August 2019
.... Developmental changes in muscle leverage could constitute one mechanism to promote increased performance in juveniles despite ontogenetic limitations. We tested this hypothesis using a holistic dataset on growth and locomotor development in wild eastern cottontail rabbits ( Sylvilagus floridanus ) to examine...
Journal Articles
J Exp Biol (2019) 222 (14): jeb206839.
Published: 19 July 2019
... and reduced survivorship to hatching ( Iungman and Piña, 2013 ; Warburton et al., 1995 ). These early developmental effects can persist into later life phenotypes ( Sun et al., 2014 ; Wearing et al., 2017 ). Previous work demonstrates the impacts of hypoxia on adult male and embryo common wall...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (13): jeb201111.
Published: 28 June 2019
... latter characteristic presumably reflects the requirement that the heart must be functional at early embryonic ages, whereas skeletal muscle is poorly developed even after hatching in altricial species. Although the developmental pattern of SERCA activity was the same regardless of whether it was...
Journal Articles
J Exp Biol (2019) 222 (12): jeb204347.
Published: 24 June 2019
... H 2 O 2 was assessed by incubating whole embryos in solutions of H 2 O 2 diluted in embryo medium. Embryos were treated at five developmental stages across embryonic development: WS 24/25 (8 dpf), WS 32/DII (32–50 dpf), WS 36 (4 dpd), WS 40 (12 dpd) and WS 43/DIII (24 dpd). For each stage, three...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (21): jeb181115.
Published: 29 October 2018
... developed into adults. For each diet treatment, egg-to-adult viability was recorded from six replicate vials. Developmental rate was calculated as the inverse of the time (h) taken from egg to pupariation for individual flies assigned to three replicate vials per diet treatment. The pupariation time...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (14): jeb183533.
Published: 23 July 2018
... developmental mode, maternal diet must also play a role, because avian embryos are completely dependent on maternally derived yolk as a source for DHA. Empirical data generally support this hypothesis. Precocial, semi-precocial and semi-altricial birds hatch with relatively high levels of DHA (∼17%) in...
Includes: Supplementary data