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
Downey, Ronald J. (University of Nebraska, Lincoln), Carl E. Georgi, and Walter E. Militzer . Electron transport particles from Bacillus stearothermophilus . J. Bacteriol. 83: 1140–1146. 1962—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 a 3 , b , and c . A chromatographic procedure for purification of cytochrome c has been described. The role of quinonelike intermediates in the ETP was implied by the restorative effect of coenzyme Q and vitamin K 1 on material treated with lipid solvent. Isolation and identification of coenzyme Q from the thermophile indicated it was similar to coenzyme Q 10 of mammalian sources.Keywords
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