Abstract
The effects of the antibiotics rifampicin, cycloheximide, and chloramphenicol on ribosomal RNA synthesis in Cyanophora paradoxa and its endosymbiotic cyanelles, Cyanocyta korschikoffiana , were examined. Rifampicin inhibited synthesis of the cyanelle 23 S and 16 S r-RNA. Chloramphenicol had a similar, though less marked, effect. By contrast, cycloheximide appeared to inhibit synthesis of only the host’s 25 S and 18 S r-RNA. Neither rifampicin nor chloramphenicol had as marked an inhibitory effect on chlorophyll synthesis as did cycloheximide.
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Schedule a callMore From: Proceedings of the Royal Society of London. Series B. Biological Sciences
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