... mitochondrial respiration of house finches from two populations infected with two different MG isolates. After short-term infection, MG-infected birds had significantly lower state 2 and state 4 respiration, but only when using complex II substrates. After long-term infection, MG-infected birds exhibited lower...

... in vivo metabolic rate and cardiac mitochondrial respiration in the Rhône streber, during and after a heat stress on a precise timeline. The temperature was raised from 13°C to 18°C (+ 1°C per hour) and maintained at 18°C for 5 days, before returning to 13°C at the same rate. We repeatedly measured...

... Aquaculture Gaspésie Inc. (Gaspé, QC, Canada; Nauyuk strain) for experiments 1 (metabolic rate) and 2 (mitochondrial respiration), and from Valorēs Inc. (Shippagan, NB, Canada; Fraser strain) for experiment 3 (mitochondrial ROS level) at least 2 months before experiments. The fish were kept in 250-liter...

... is an important modulator of the impact of temperature on mitochondrial respiration at high temperatures but is not the main limiting factor in physiological conditions (maximal OXPHOS). Mitochondrial respiration was also affected by fish age, showing a general decrease in older individuals. Three-spined...

...: A functional clockwork and circadian variation in mitochondrial complex I efficiency is demonstrated in skin fibroblasts from the deep-diving hooded seal. Pinniped Hooded seal Biological clock Arctic Hypoxia Mitochondrial respiration Tromsø Forskningsstiftelse TFS2016SW IS3_17_SW...

... production originating from mitochondrial respiration. Within this framework, FAO has a much larger FADH 2 /NADH ratio than glucose breakdown. Further, the longer the fatty acid, the higher the FADH 2 /NADH ratio, and the higher the level of ROS production, as complex I, known as a major source of ROS...

...) and swimming performance [critical swimming speed ( U crit ) and cost of transport (COT)] were assessed. In addition, enzyme activities [citrate synthase (CS), cytochrome c oxidase (COX) and lactate dehydrogenase (LDH)] and mitochondrial respiration were examined in red muscle fibres. We found that acclimation...

... synthase activities as well as increased succinate contribution to mitochondrial respiration, allowing them to tolerate higher levels of aquatic H 2 S without inhibition of mitochondrial oxygen consumption. Our study reveals distinct physiological strategies in genetic lineages of a single species...

... thermal tolerance. We acclimated Atlantic salmon to 12 and 20°C (for >2 months), and investigated the effects of acute and chronic warming on cardiac mitochondrial respiration and reactive oxygen species (ROS) production (release rate) using high-resolution fluorespirometry. Further, we compared...

.../ Summary: Mitochondrial respiration in a marine mollusc increases with body mass, demonstrating a link with overall growth performance. Mitochondrial respiration Allometric scaling Metabolic rate Proton leak Temperature Growth rate Metabolic rate is a fundamental biological rate...

... cardiac mitochondrial respiration and reactive oxygen species (ROS) release rates using high-resolution fluorespirometry. Further, we investigated how hypoxia acclimation affected the sensitivity of mitochondrial respiration to nitric oxide (NO), and compared mitochondrial lipid and fatty acid (FA...

... marginally impacted by ocean acidification. Mitochondrial respiration Developmental acclimation Temperate teleost Heart The increasing amount of atmospheric CO 2 is working as a greenhouse gas, raising atmospheric temperatures and, as a consequence, also sea surface temperatures (ocean...

.... Thermal sensitivity of mitochondrial   function in   permeabilized Dugesia tigrina . Mitochondrial respiration was measured in two states: oxidative phosphorylation (OXPHOS; coupled, with saturating ADP) or electron transfer (ET; non-coupled). The pathways and steps include the NADH pathway through...

... for mitochondrial respiration in alveolar epithelial type II cells . Am. J. Physiol. Lung Cell. Mol. Physiol.   308 , L953 - L961 . 10.1152/ajplung.00335.2014 Lui , M. A. , Mahalingam , S. , Patel , P. , Connaty , A. D. , Ivy , C. M. , Cheviron , Z. A. , Storz , J. F...

...) in muscle. However, UV-B did not affect the activity of sarco-endoplasmic reticulum ATPase (SERCA), an enzyme associated with muscle calcium cycling and muscle relaxation. UV-B did not affect ADP phosphorylation (state 3) rates of mitochondrial respiration, and it did not alter the amount of ATP produced...

... mechanisms involved in energy production, including mitochondrial respiration at different steps of the electron transport system (ETS) and related the results to citrate synthase activity in the liver of non-reproductive and reproductive (two and eight pups) female house mice at peak lactation. Whereas we...

... and distribution, and to (2) evaluate the sensitivity of different enzymes of the electron transport system (ETS) during temperature-induced changes. We measured the impact of temperature of mitochondrial respiration and several key enzymes of mitochondrial metabolism in two mitotypes (s i II and s i III...

... proton conductance of the mitochondrial inner membrane. Similar effects on the mitochondrial respiration were reported in liver mitochondria of daily heterotherms such as the Djungarian hamster( Brown et al., 2007 ). In our approach, we aimed to characterize the interdependence of metabolic...

..., Crassostrea virginica (eastern oysters), using oxygen demand for ATP turnover, protein synthesis, mitochondrial proton leak and non-mitochondrial respiration in isolated gill and hepatopancreas cells as demand-side endpoints and mitochondrial oxidation capacity, abundance and fractional volume as supply-side...

...T. Andrienko; A. V. Kuznetsov; T. Kaambre; Y. Usson; A. Orosco; F. Appaix; T. Tiivel; P. Sikk; M. Vendelin; R. Margreiter; V. A. Saks SUMMARY Regulation of mitochondrial respiration both by endogenous and exogenous ADP in the cells in situ was studied in isolated and permeabilized cardiomyocytes...