Seasonal changes in mitochondrial succinate dehydrogenase activity in a hibernator,Spermophilus richardsonii

@article{Pehowich2006SeasonalCI,
  title={Seasonal changes in mitochondrial succinate dehydrogenase activity in a hibernator,Spermophilus richardsonii},
  author={Daniel J. Pehowich and Lawrence C. H. Wang},
  journal={Journal of Comparative Physiology B},
  year={2006},
  volume={154},
  pages={495-501}
}
1. Liver mitochondrial functions were evaluated in Richardson's ground squirrels during different phases of the annual hibernation cycle. 2. Arrhenius plots of succinate oxidase-linked H+ ejection, Ca2+ uptake and O2 consumption exhibited discontinuities (T c) near 21 °C in summer-active (July) ground squirrels and at 11–13 °C in warm (20 °C)- or cold (4 °C)-acclimated winter animals. No discontinuities were detected in some warm- and cold-acclimated individuals which had not yet exhibited… CONTINUE READING

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