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Electron transport and respiration in Beggiatoa and Vitreoscilla


Seven strains of bacteria belonging to the Beggiatoa-Vitreoscilla group were studied for their respiratory activity and for the presence of electron transport conponents. All strains tested oxidized [1-14C] and [2-14C] acetate to 14CO2 at relatively high rates. All strains tested were N,N,N′,N′-tetramethylphenylenediamine (TMPD)-oxidase positive and contained spectra representing a-type and carbon monoxide-binding cytochromes. Most of the strains also contained spectra representing c-type and b-type cytochromes. Beggiatoa alba B18LD contained b-type, a-type, c-type and CO-binding cytochromes, the latter two being located in the 144,000 x g soluble fraction. B. alba also contained ubiquinone-8 as its only detectable quinone.

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basal salts solution


Beggiatoa heterotrophic medium


Beggiatoa sulfide oxidation medium






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Correspondence to William R. Strohl.

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Strohl, W.R., Schmidt, T.M., Vinci, V.A. et al. Electron transport and respiration in Beggiatoa and Vitreoscilla . Arch. Microbiol. 145, 71–75 (1986). https://doi.org/10.1007/BF00413029

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Key words

  • Beggiatoa
  • Vitreoscilla
  • Cytochromes
  • Electron transport
  • Sulfide oxidation
  • Acetate oxidation
  • TMPD oxidase