From bioblasts to mitochondria: ever expanding roles of mitochondria in cell physiology.

  • Speidel M
  • O'Rourke B
  • Mitchell P
 et al. 
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Abstract

Many anaerobic bacteria can completely oxidize organic matter to C02 with either sulfur, sulfate, or protons as electron acceptor. The sulfur-reducing bacteria and one genus of sulfate reducers use a modified citric-acid cycle with a novel anaplerotic sequence as pathway of terminal respiration. All other anaerobes use an alternative pathway, in which carbon monoxide dehydrogenase is a key enzyme and in which acetyl-CoA is cleaved into two C1 units at the oxidation level of CH30H and CO. Thus almost 50 years after the discovery of the citric acid cycle by Hans Krebs in 1937, a second pathway for acetyl-CoA oxidation was found.

Author-supplied keywords

  • 1
  • 1986
  • 1991
  • 2
  • Animals
  • Cytochromes
  • Cytochromes: metabolism
  • Heart
  • Heart: metabolism
  • Introgression
  • Male
  • Mitochondria
  • Mitochondrial DNA
  • Molecular population genetics
  • Myocardial Contraction
  • Myocardium
  • Myocardium: metabolism
  • Myoglobin
  • Myoglobin: metabolism
  • Oxygen
  • Oxygen Consumption
  • Perfusion
  • Phylogeography
  • Rats
  • Selection
  • Spectrophotometry
  • Spectrophotometry: methods
  • a-state
  • abbreviation used
  • active eukaryotic cells with
  • almost all metabolically
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  • besides the volume already
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  • for
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  • fourier-transform infrared spectroscopy
  • ftir
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  • h r o m
  • lens fiber cells
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  • membrane potential
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  • mitochondria are present in
  • mtdna
  • only a few exceptions
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Authors

  • Michelle Speidel

  • Brian O'Rourke

  • PETER Mitchell

  • Dorothea M. Smith

  • Don W. Fawcett

  • J Rajfer

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