Article
Physiology
Lyvia R. Bowering, Tristan J. McArley, Jules B. L. Devaux, Anthony J. R. Hickey, Neill A. Herbert
Summary: This study investigated the impacts of climate change stressors on the Australasian snapper in New Zealand. The results showed that the snapper's metabolic performance remained high even in warm conditions, and they were able to adapt well to hypoxia. Therefore, despite the threat climate change poses to marine organisms, a temperature of 25°C may be metabolically optimal for the Australasian snapper in Northern New Zealand.
FRONTIERS IN PHYSIOLOGY
(2023)
Article
Biology
Michael L. Kelly, Selwyn P. Collins, John A. Lesku, Jan M. Hemmi, Shaun P. Collin, Craig A. Radford
Summary: Sleep plays an important role in energy conservation in sharks. Research on draughtsboard sharks reveals that sleep is characterized by a lower metabolic rate and a flat body posture.
Article
Biodiversity Conservation
Lucy Harding, Andrew L. Jackson, Nicholas Payne
Summary: We found that the rate of temperature change affects the oxygen consumption of ectotherms. As temperature increases more rapidly, the rate of oxygen consumption also increases. These findings are important for predicting ectotherm responses to climate change and for studying the thermal sensitivity of metabolism.
CONSERVATION PHYSIOLOGY
(2023)
Article
Agriculture, Dairy & Animal Science
Dong In Kim
Summary: A sudden shift in metabolism has been observed in the early development of Japanese anchovy, coinciding with morphological and behavioral changes. This finding confirms that pelagic fish undergo similar metabolic changes during early development, benefitting future metabolic studies. Additionally, a novel modified respirometry method has been developed to measure metabolic rate changes in this small-sized species.
Article
Environmental Sciences
M. J. Moya-Llamas, M. G. Pacazocchi, A. Trapote
Summary: This research investigates the biokinetic behavior of bacterial species in an UASB-MBR system treating urban wastewater with emerging contaminants using respirometric techniques. The results show that a decrease in organic loading rate leads to the disintegration of floc structure, dispersed growth, and weak interfloccular bonds. However, no toxicity or inhibition caused by the presence of emerging contaminants is observed.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Biochemistry & Molecular Biology
Andreas Nord, Neil B. Metcalfe, Jennifer L. Page, Anna Huxtable, Dominic J. McCafferty, Neal J. Dawson
Summary: This study examined the changes in mitochondrial function in endotherms in cold regions preparing for winter, with findings showing that Coal and Great tits increased their mitochondrial respiration rate and volume in winter to enhance heat production capacity.
Article
Agriculture, Dairy & Animal Science
Charles Rodde, Hugues de Verdal, Marc Vandeputte, Francois Allal, Julie Nati, Mathieu Besson, Felipe R. Blasco, John A. H. Benzie, David J. McKenzie
Summary: The study investigated the prediction of individual FE in European sea bass, identifying significant effects of temperature and population on FE and RMR. However, individual FE and RMR were not significantly correlated, indicating a need for further investigation into the relationship between metabolic rate and feed efficiency.
JOURNAL OF ANIMAL SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Alicia M. Fieler, Andrew J. Rosendale, David W. Farrow, Megan D. Dunlevy, Benjamin Davies, Kennan Oyen, Yanyu Xiao, Joshua B. Benoit
Summary: This study examined the thermal tolerance limits and thermal preference of six species of ixodid tick larvae, finding variations in survival rates and activity levels at different temperatures. Most tick species preferred temperatures between 17 and 22 degrees Celsius, while Dermacentor variabilis favored significantly lower temperatures.
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY
(2021)
Article
Biology
Mehmet Kir, Murat Can Sunar, Mustafa Topuz, Merve Sariipek
Summary: In aquatic environments, rising temperatures reduce oxygen content and increase oxygen demand of organisms. This study determined the thermal tolerance and standard metabolic rate (SMR) of Litopenaeus vannamei, a species commonly cultured in intensive shrimp culture. The research found that acclimation temperature significantly affected thermal tolerance and SMR, while salinity had a large effect on SMR but not on thermal acclimation. Litopenaeus vannamei has a high thermal tolerance and optimal temperature range of 25-30 degrees C. Culturing this species at 25-30 degrees C is recommended for effective production.
JOURNAL OF THERMAL BIOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Damien Roussel, Sonia Janillon, Loic Teulier, Nicolas Pichaud
Summary: Decreased NADH-induced and increased reduced FADH(2)-induced respiration rates at high temperatures are associated with thermal tolerance in Drosophila. The study investigated whether these changes were related to ATP production rate and coupling efficiency in Drosophila melanogaster. The results showed that decreased pyruvate + malate oxidation at high temperature resulted in a collapse of ATP synthesis and a drop in ATP/O ratio, but addition of succinate compensated for both oxygen consumption and ATP synthesis rates.
Article
Fisheries
Wanhe Qi, Peter Vilhelm Skov, Kim Joao de Jesus Gregersen, Lars -Flemming Pedersen
Summary: Biofilm plays a crucial role in the removal and conversion of nutrients in recirculating aquaculture systems (RAS), but monitoring the bacterial activity in biofilm is difficult. In this study, a new method based on intermittent respirometry was demonstrated to selectively estimate bacterial activity in biofilm, and its feasibility and robustness were confirmed through experiments.
Article
Biology
Brad A. Seibel, Alyssa Andres, Matthew A. Birk, Alexandra L. Burns, C. Tracy Shaw, Alexander W. Timpe, Christina J. Welsh
Summary: P-crit is the critical oxygen partial pressure below which an animal's metabolic rate is unsustainable, while alpha reflects the oxygen supply capacity. The relationship between alpha values and metabolic rate is stronger than that between alpha and P-crit, indicating that P-crit is more of a reflection of oxygen supply capacity than hypoxia tolerance.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2021)
Article
Physiology
Mustafa Topuz, Mehmet Kir
Summary: Increasing water temperature due to climate change affects the physiological functions of aquatic organisms, including shrimp. This study found that the optimal temperature range for Pacific white shrimp post-larvae is 25-30 degrees Celsius based on their critical temperatures and metabolic rates.
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMS AND ENVIRONMENTAL PHYSIOLOGY
(2023)
Article
Agriculture, Dairy & Animal Science
Ludmilla G. Di Santo, Leticia G. Pacheco, Marcia H. M. R. Fernandes, Lucas B. Braos, Luiz F. Sanfilippo, Lucas B. Scarpim, Aulus C. Carciofi
Summary: This study compared the daily energy expenditures of red-footed tortoises fed different diets, and found that long-term intake of high starch or high fat diets did not affect the energy expenditure of the tortoises.
ARCHIVES OF ANIMAL NUTRITION
(2022)
Article
Cell Biology
Pilar Irigoyen, Paula Pintos-Polasky, Lucia Rosa-Villagran, Maria Fernanda Skowronek, Adriana Cassina, Rossana Sapiro
Summary: Diagnosis of male infertility is usually based on medical history and semen analysis, but the latter rarely provides information on the causes of infertility. This study suggests that analysis of sperm mitochondrial function and ROS production could be a useful addition to routine semen analysis. Experiment results showed that mitochondrial function is related to sperm motility and morphology. Evaluating mitochondrial function, ROS production, and antioxidant capacity can complement routine semen analysis.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2022)
Article
Biology
Tristan J. McArley, Anthony J. R. Hickey, Neill A. Herbert
JOURNAL OF EXPERIMENTAL BIOLOGY
(2017)
Article
Physiology
Tristan. J. McArley, Anthony J. R. Hickey, Lisa Wallace, Andreas Kunzmann, Neill. A. Herbert
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMS AND ENVIRONMENTAL PHYSIOLOGY
(2019)
Article
Multidisciplinary Sciences
Tristan J. Mcarley, Anthony J. R. Hickey, Neill A. Herbert
Article
Biology
Daniel Morgenroth, Tristan McArley, Albin Grans, Michael Axelsson, Erik Sandblom, Andreas Ekstrom
Summary: This study found that coronary perfusion plays a significant role in improving fish tolerance to environmental stressors such as hypoxia and warming. Blocking coronary blood flow negatively affects cardiac function and overall tolerance to hypoxia and heat, highlighting the importance of coronary circulation in maintaining cardiovascular function during extreme environmental conditions.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2021)
Article
Biology
Tristan J. McArley, Daniel Morgenroth, Lucas A. Zena, Andreas T. Ekstrom, Erik Sandblom
Summary: The study found that exhaustive exercise in hyperoxia can increase the maximum oxygen consumption rate and aerobic scope in rainbow trout by improving cardiac function and blood parameters. This suggests that hyperoxia can enhance maximal cardiac performance, tissue oxygen delivery, and maintain a higher maximum oxygen consumption rate.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2021)
Article
Biology
T. J. McArley, D. Morgenroth, L. A. Zena, A. T. Ekstroem, E. Sandblom
Summary: Recent evidence suggests that environmental hyperoxia can enhance cardiorespiratory performance and increase thermal tolerance in fish, helping them cope with extreme heat waves caused by climate change. This effect is mainly due to improved cardiac function and increased tissue oxygen supply capacity. Additionally, available literature data show that hyperoxia can improve thermal tolerance in a large number of fish species.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2022)
Article
Biology
Nicklas Wallbom, Lucas A. Zena, Tristan J. McArley, Andreas Ekstrom, Michael Axelsson, Albin Grans, Erik Sandblom, Daniel Morgenroth
Summary: Rainbow trout acclimated to sea water have higher resting cardiac output and aerobic scope compared to freshwater-acclimated trout to meet the higher metabolic needs of osmoregulatory functions. However, cardiac performance and aerobic scope are significantly impaired after exhaustive exercise due to atrioventricular block caused by coronary ligation. This study demonstrates that cardiovascular function and oxygen carrying capacity are more dependent on coronary perfusion in sea water-acclimated trout.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2023)
Article
Biology
T. J. McArley, D. Morgenroth, L. A. Zena, A. T. Ekstroem, E. Sandblom
Summary: The study demonstrates that hyperoxia can increase maximal oxygen consumption rate in rainbow trout, achieved through increased cardiac output and arterial-venous oxygen content difference. Hyperoxia protects arterial oxygenation, leading to higher arterial oxygen content and A-V O-2 content difference post-exercise.
Article
Fisheries
Tristan J. McArley, Erik Sandblom, Neill A. Herbert
Summary: This review comprehensively synthesizes the effects of hyperoxia on fish, covering influences on cardiorespiratory function, acid-base balance, and oxidative stress. While hyperoxia can cause hypoventilation and increase aerobic metabolic rate in fish, current evidence suggests it does not significantly impact growth.
FISH AND FISHERIES
(2021)