Co-Authors:
Shahak, Y., Biochemistry Department, The Weizmann Institute of Science, Rehovot, 76100, Israel
Arieli, B., Division of Microbial and Molecular Ecology, Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
Padan, E., Division of Microbial and Molecular Ecology, Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
Hauska, G., Institut für Zellbiologie und Pflanzenphysiologie, Universität Regensburg, 8400 Regensburg, Germany
Abstract:
Membranes of the green sulfur bacterium, Chlorobium limicola f, thiosulfatophilum, catalyze the reduction of externally added isoprenoid quinones by sulfide. This activity is highly sensitive to stigmatellin and aurachins. It is also inhibited by 2-n-nonyl-4-hydroxyquinoline-N-oxide, antimycin, myxothiazol and cyanide. It is concluded that in sulfide oxidizing bacteria like Chlorobium, sulfide oxidation involves a sulfide-quinone reductase (SQR) similar to the one found in Oscilatoria limnetica [Arieli, B., Padan, E. and Shahak, Y. (1991) J. Biol. Chem. 266. 104-111]. © 1992.
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