ISSN:
1432-072X
Keywords:
Key words Energy transduction
;
Hydrogen respiration
;
Cyanide-resistant oxidase
;
Membrane-bound
;
hydrogenase
;
Alcaligenes eutrophus H16
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Eighty percent of the ATP and proton electrochemical gradient (-ZΔpH) formed during H2 oxidation in membranes from autotrophically grown exponential-phase cells of Alcaligenes eutrophus H16 was derived from a redox pathway that includes the membrane-bound hydrogenase complex and the cyanide-resistant (bo-type) oxidase. The H2/ubiquinone-1 oxidoreductase activity was coupled to energy transduction and was fully inhibited by the quinone along 2-n-hepthyl-4-hydroxyquinoline-N-oxide. We conclude that the cytochrome-c-containing pathway in exponential-phase A. eutrophus H16 cells plays a minor role in energy conservation.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s002030050347
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