Photochemical Activities of Bacteriochlorophyll in Aerobically Grown Cells of Aerobic Heterotrophs, Erythrobacter Species (OCh 114) and Erythrobacter longus (OCh 101) |
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| Authors: | Harashima Keiji; Nakagawa Masaya; Murata Norio |
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| Institution: | 1Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo Bunkyo-ku, Tokyo 113, Japan
2Department of Biology, College of General Education, The University of Tokyo Meguro-ku, Tokyo 153, Japan |
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| Abstract: | Reversible photo-oxidation of cytochromes and reversible photobleachingof bacteriochlorophyll were observed in aerobically grown cellsof the aerobic heterotroph, the Erythrobacter species (OCh 114).Light inhibited O2-uptake by cells of this bacterium and Erythrobacterlongus (OCh 101). A vesicular structure of intracytoplasmicmembrane systems was observed in sections of aerobically growncells of OCh 114. These bacteria may be called aerobic photosyntheticbacteria (i.e., photosynthetic bacteria which can utilize lightenergy under aerobic conditions but not under anaerobic conditions). (Received September 9, 1981; Accepted December 2, 1981) |
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