DE- AND RE-GENERATION OF CHLOROPLASTS IN THE CELLS OF CHLORELLA PROTOTHECOIDES III. EFFECTS OF MITOMYCIN C ON THE PROCESSES OF GREENING AND DIVISION OF "GLUCOSE-BLEACHED" ALGAL CELLS
スポンサーリンク
概要
- 論文の詳細を見る
The "glucose-bleached" cells of Chlorella protothecoides, whose plastids were profoundly degenerated containing no trace of chlorophyll, were obtained by the method previously reported. Transferring the cells to the condition of re-generation of chloroplasts (greening)-incubation in the light in a glucose-less and nitrogen-rich medium-the effect of mitomycin C on the recovery process was investigated. It was found that the antibiotic suppressed completely the ceil division without affecting the re-generation of chloroplasts. De novo formation of RNA and protein which has been observed to occur during the recovery process was not affected by the antibiotic to any significant extent. It thus became clear that the re-generation of chloroplasts, accompanied by the formation of chlorophyll, RNA and protein, occur-ring under the said condition is not a phenomenon caused by the formation of new "normal" cells from previously degenerated cells. As was expected, the antibiotic suppressed strongly the DNA synthesis, indicating that the new formation of DNA is not a necessary condition for the re-generation of chloroplasts in "glucose bleached" algal cells PCP
- 日本植物生理学会の論文
著者
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Hase Eiji
Institute Of Applied Microbiology University Of Tokyo And Tokugawa Institute For Biological Research
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Hase Eiji
Institute Applied Microbiology University Of Tokyo:tokugawa Institute For Biological Research
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Aoki Shigeji
Institute Cf Applied Microbiology University Of Tokyo And Tokugawa Institute For Biological Research
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