ELECTRON TRANSPORT PARTICLES FROM BACILLUS STEAROTHERMOPHILUS
- 1 May 1962
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 83 (5), 1140-+
- https://doi.org/10.1128/jb.83.5.1140-1146.1962
Abstract
Electron-transport particles (ETP) have been isolated from Bacillus stearothermophilus. They are capable of oxidizing such substrates as succinate, malate, diphosphopyridine nucleotide, p-phenylenediamine and hydroquinone. Difference spectra indicated bands of cytochromes a3, b and c. A chromatographic procedure for purification of cytochrome c has been described. The role of quinonelike intermediates in the EPT was implied by the restorative effect of coenzyme Q and vitamin K1 on material treated with lipid solvent. Isolation and identification of coenzyme Q from the thermophile indicated it was similar to coenzyme Q10 of mammalian sources.Keywords
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