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Keywords: mitochondrial respiration
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Journal Articles
J Exp Biol (2021) 224 (8): jeb241216.
Published: 16 April 2021
... 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...
Journal Articles
J Exp Biol (2021) 224 (2): jeb236257.
Published: 26 January 2021
... 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (13): jeb226332.
Published: 08 July 2020
... functioning. In aerobic organisms, mitochondria are responsible for >90% of ATP production that occurs via the chemiosmotic coupling of electron transport and ATP synthesis in the process of oxidative phosphorylation (OXPHOS). If intrinsic factors (such as cellular and mitochondrial respiration...
Journal Articles
J Exp Biol (2019) 222 (22): jeb208074.
Published: 27 November 2019
... 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (21): jeb213017.
Published: 11 November 2019
... 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (18): jeb207951.
Published: 12 September 2019
.... Mitochondrial respiration was corrected for oxygen flux, due to instrumental background, and for ROX. For complex IV activity, the chemical background measured in the presence of azide was subtracted. Respiratory flux in planarians is expressed in pmol O 2 per second per milligram wet mass or as the flux...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (23): 3719–3728.
Published: 01 December 2016
... that this is not the case; the relative differences in the highland population for mitochondrial respiration (1.7- to 2.1-fold) were nearly as large as those for CIV activity (2.5-fold). It is also possible that the larger relative excess of CIV activity in highland ducks helps increase the O 2 affinity of mitochondria...
Journal Articles
J Exp Biol (2016) 219 (1): 96–102.
Published: 01 January 2016
...) 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...
Journal Articles
J Exp Biol (2013) 216 (15): 2889–2895.
Published: 01 August 2013
... 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...
Journal Articles
J Exp Biol (2010) 213 (10): 1665–1675.
Published: 15 May 2010
... 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (12): 1911–1918.
Published: 15 June 2008
... for correspondence (e-mail: trzcionk@students.uni-marburg.de ) 7 4 2008 © The Company of Biologists Limited 2008 2008 mitochondrial respiration adenine nucleotide translocase (ANT) uncoupling protein (UCP) Xenopus laevis carboxyatractylate (CAT) In contrast to a high and constant...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (7): 1274–1284.
Published: 01 April 2006
..., 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...
Journal Articles
J Exp Biol (2003) 206 (12): 2059–2072.
Published: 15 June 2003
...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...