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2010 | 57 | 4 | 409-412
Article title

Tissue variation of mitochondrial oxidative phosphorylation efficiency in cold-acclimated ducklings

Content
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EN
Abstracts
EN
We investigated the oxidative phosphorylation efficiency of liver and gastrocnemius muscle mitochondria in thermoneutral and cold-acclimated ducklings. The yield of oxidative phosphorylation was lower in muscle than in liver mitochondria, a difference that was associated with a higher proton conductance in muscle mitochondria. Cold exposure did not affect oxidative phosphorylation efficiency or basal proton leak in mitochondria. We conclude that the basal proton conductance of mitochondria may regulate mitochondrial oxidative phosphorylation efficiency, but is not an important contributor to thermogenic processes in cold-acclimated ducklings.
Year
Volume
57
Issue
4
Pages
409-412
Physical description
Dates
published
2010
received
2010-08-28
revised
2010-11-04
accepted
2010-11-27
(unknown)
2010-11-29
Contributors
author
  • Ecologie des Hydrosystèmes fluviaux, UMR 5023 CNRS, Université de Lyon, Villeurbanne, France
author
  • Physiologie Intégrative, Cellulaire et Moléculaire, UMR 5123 CNRS, Université de Lyon, Villeurbanne, France
author
  • Biométrie et Biologie Evolutive, UMR 5558 CNRS, Université de Lyon, Villeurbanne, France
  • Physiologie Intégrative, Cellulaire et Moléculaire, UMR 5123 CNRS, Université de Lyon, Villeurbanne, France
author
  • Ecologie des Hydrosystèmes fluviaux, UMR 5023 CNRS, Université de Lyon, Villeurbanne, France
  • Physiologie Intégrative, Cellulaire et Moléculaire, UMR 5123 CNRS, Université de Lyon, Villeurbanne, France
  • Physiologie Intégrative, Cellulaire et Moléculaire, UMR 5123 CNRS, Université de Lyon, Villeurbanne, France
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-abpv57p409kz
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