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Keywords: Acclimation
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Journal Articles
J Exp Biol (2021) 224 (16): jeb242479.
Published: 26 August 2021
...Quentin Willot; Ben Loos; John S. Terblanche ABSTRACT Developmental and adult thermal acclimation can have distinct, even opposite, effects on adult heat resistance in ectotherms. Yet, their relative contribution to heat-hardiness of ectotherms remains unclear despite the broad ecological...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (10): jeb242279.
Published: 01 June 2021
... of thermogenic capacity in rodents is non-shivering thermogenesis (NST) mediated by uncoupled mitochondrial respiration in brown adipose tissue (BAT). NST is plastic, and capacity for heat production increases with cold acclimation. However, in lowland native rodents, hypoxia inhibits NST in BAT. We hypothesize...
Journal Articles
J Exp Biol (2021) 224 (5): jeb236745.
Published: 11 March 2021
... to changes in temperature to modulate parental effects that influence thermal tolerance of larvae in a reversible (plastic) manner, which could be significant for survival under global climate change. Acclimation Cnidaria LT50 Maternal effects Paternal effects Thermal limits Parental...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (Suppl_1): jeb228213.
Published: 24 February 2021
... ). Understanding how elevated temperatures alter predation rates, foraging success and total time spent submerged is a pressing knowledge gap, and well-designed ecological field studies may offer valuable insight. The few tests of thermal acclimation capacity in diving ectotherms suggest that physiological...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (4): jeb237727.
Published: 19 February 2021
... . magna with different acclimation history (either 10 or 25°C). We discovered no difference in temperature-specific respiration rates between heat-tolerant and heat-sensitive genotypes. In contrast, we observed acclimation-specific compensatory differences in respiration rates at both extremes...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (20): jeb227884.
Published: 16 October 2020
... previous life stages while others may not. The thermal plasticity exhibited by adults is in response to the temperatures experienced during adulthood (i.e. acclimation) rather than during development. Beetles that experienced high temperature fluctuations during adulthood, regardless of developmental...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (16): jeb228304.
Published: 26 August 2020
...Giulia S. Rossi; Paige V. Cochrane; Patricia A. Wright ABSTRACT The interaction between developmental plasticity and the capacity for reversible acclimation (phenotypic flexibility) is poorly understood, particularly in organisms exposed to fluctuating environments. We used an amphibious killifish...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (14): jeb228098.
Published: 28 July 2020
...Jessica E. Reemeyer; Bernard B. Rees ABSTRACT Standard metabolic rate (SMR), maximum metabolic rate (MMR), absolute aerobic scope (AAS) and critical oxygen tension ( P crit ) were determined for the Gulf killifish, Fundulus grandis , an ecologically dominant estuarine fish, acclimated to lowered...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (7): jeb220137.
Published: 09 April 2020
...Matthew J. Noakes; Andrew E. McKechnie ABSTRACT Small birds inhabiting northern temperate and boreal latitudes typically increase metabolic rates during cold winters or acclimation to low air temperatures ( T accl ). Recent studies suggest considerable variation in patterns of seasonal metabolic...
Journal Articles
J Exp Biol (2020) 223 (6): jeb201517.
Published: 25 March 2020
...-licence-1-1/ Summary: Introduced species use acclimatization to maintain high performance year round; therefore, phenotypic flexibility likely shapes the fundamental niche of both introduced and native species. Acclimation Plasticity Invasive species Seasonality Thermal performance...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (4): jeb213934.
Published: 25 February 2020
... measurements of hindgut ion and fluid reabsorption in Drosophila . We demonstrate that this assay is temporally stable (∼2 h) and responsive to cAMP stimulation and pharmacological intervention in accordance with the current insect hindgut reabsorption model. We then investigated how cold acclimation or cold...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (24): jeb211920.
Published: 12 December 2019
... and molecular level. Environmental adaptations to anchialine habitats may be divergent across both distantly and closely related taxa. Euryhalinity RNA-Seq Acclimation Atyidae Crustaceans are among the most well studied group for physiological responses to changes in environmental salinity...
Journal Articles
J Exp Biol (2019) 222 (15): jeb206011.
Published: 07 August 2019
... Antarctic insect. Acclimation Antarctica Freeze tolerance Heat shock proteins Phenotypic plasticity Stress After 2 h recovery from freezing at −9°C, there was a significant 22% decrease in oxygen consumption ( Fig. 2 C; ANOVA, FDR, t 22 =3.76, P =0.004), but this decrease in metabolic...
Journal Articles
J Exp Biol (2019) 222 (10): jeb202184.
Published: 20 May 2019
... acclimation does not necessarily enhance reproductive fitness in Drosophila melanogaster ; instead, the highest fitness is achieved by development at an optimal temperature. Developmental plasticity Acclimation Thermal performance Fecundity Viability Ovariole number Body size...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (9): jeb195255.
Published: 07 May 2019
... empirical support. In this study, we tested the full suite of hypotheses by investigating acclimation responses of locomotor performance for nine populations of five species of sub-Antarctic weevils, using static and fluctuating temperatures. Species showed typical locomotion thermal performance curves...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (9): jeb201400.
Published: 30 April 2019
... in zebrafish ( Danio rerio ). We rejected the hypothesis that mitochondrial efficiency (P/O ratios) predicted CoT. We also rejected the hypothesis that CoT is modulated by temperature acclimation, exercise training or their interaction, although CoT increased with increasing acute test temperature...
Journal Articles
J Exp Biol (2018) 221 (17): jeb177832.
Published: 10 September 2018
... particularly in the presence of ATP and GTP, indicating that blood of HR juveniles has significantly improved O 2 -binding affinity under hypoxic conditions. We also tested the capacity to acclimate at greater age in two species by reversing the O 2 condition after 7 ( H. thereuterion ) and 4 ( H. ishmaeli...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (14): jeb172130.
Published: 17 July 2018
... fish, Marcusenius victoriae . Fish were maintained under normoxia for 6 months prior to experimental treatments, and then acclimated for 8 weeks to normoxia or hypoxia and tested under both conditions (acute: 4 h exposure). Acute hypoxia exposure resulted in a significant reduction in both U crit...
Journal Articles
J Exp Biol (2018) 221 (7): jeb174458.
Published: 11 April 2018
...Dillon J. Chung; Genevieve C. Sparagna; Adam J. Chicco; Patricia M. Schulte ABSTRACT The effect of temperature on mitochondrial performance is thought to be partly due to its effect on mitochondrial membranes. Numerous studies have shown that thermal acclimation and adaptation can alter the amount...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (23): 4471–4478.
Published: 01 December 2017
... pathways independent of the classic heat shock responses; however, an in-depth understanding of plasticity induced by fluctuating temperatures is still lacking. We investigated high and low temperature acclimation induced by fluctuating thermal regimes at two different mean temperatures, at two different...