Nucleic acid synthesis accompanying the recovery of cell division and chloroplast development in "giant" cells of the Emerson strain of Chlorella

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概要

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• The light-induced recovery of cell division and chloroplast development in "giant", "bleached", cells of the Emerson strain of Chlorella takes place without any increase in DNA and is relatively insensitive to mitomycin C and 5-bromouracil. 5-Fluorouracil inhibits cell division only when it is supplied during the early stages of recovery, perhaps by interfering with that phase of RNA synthesis which occurs during the first 6 hr of recovery. This early burst of RNA synthesis is more sensitive to chloramphenicol than is the second phase of RNA synthesis, suggesting that a significant proportion of it may originate in the chloroplast. Evidence is presented which suggests that 5-fluorouracil interferes with chloroplast development primarily through an effect on chlorophyll synthesis. The possible significance of these observations in relation to nuclear-chloroplastic interractions is discussed.

• 日本植物生理学会の論文

著者

• Thinh Luong

  Botany Department James Cook University Of North Queensland

• Thinh Luong

  Botany Department La Trobe University

• Griffiths Dilwyn

  Botany Department, La Trobe University

• Griffiths Dilwyn

  Botany Department La Trobe University

関連論文

• Amino acid composition of autotrophic and heterotrophic cultures of the Emerson strain of Chlorella
• The role of photosynthesis and respiration in the light-induced recovery of "giant" cells of the Emerson strain of Chlorella
• Nucleic acid synthesis accompanying the recovery of cell division and chloroplast development in "giant" cells of the Emerson strain of Chlorella
• The contrasting effects of chloramphenicol and cycloheximide on the recovery of cell division and chlorophyll synthesis in "giant" cells of Chlorella vulgaris (Emerson strain)
• Physiological changes accompanying the recovery of cell division in "giant" cells of Chlorella vulgaris (EMERSON strain)

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