Inhibition of Zeatin-Induced Growth of Cucumber Cotyledons by Sulfite Ions

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概要

• 論文の詳細を見る

• The inhibitory effects of sulfite ions on zeatin-induced cell expansion in cotyledons excised from dark-grown seedlings of cucumber (Cucumis sativus L.) were examined. With 50 μM zeatin the growth rate in white light was about twice that of the control. Addition of Na_2SO_3 in the growth medium inhibited the zeatin-induced growth of cotyledons. Zeatin-treatment increased the osmotic potential in cell sap of cotyledons, while sulfite decreased it. These treatments had no significant effect on potassium concentration. Sulfite inhibited the zeatin-induced increase in contents of fructose and glucose, but did not affect sucrose content. The relative contents of non-cellulosic constituents of cell walls fell with the advance of culture. This decrease was repressed by sulfite, indicating that inhibition of expansion growth in cucumber cotyledons by sulfite ions was the result of alterations in the cell wall structure due to changes in the cell wall metabolism.

• 日本植物生理学会の論文

著者

• Saito Makoto

  Department of Obstetrics and Gynecology, Nihon University School of Medicine

• Takeuchi Yuichi

  Division Of Environmental Biology The National Institute For Environmental Studies

• Saito Makoto

  Department Of Obstetrics And Gynecology Nihon University School Of Medicine:open Research Center For

• Kondo Noriaki

  Division Of Environmental Biology The National Institute For Environmental Studies

• Kondo Noriaki

  Graduate School Of Science University Of Tokyo

• Kondo Noriaki

  Department Of Biology Faculty Of Science University Of Tokyo

• Kondo N

  Department Of Biological Siences Graduate School Of Sience The University Of Tokyo

• Kondo Noriaki

  Division Of Biosciences Graduate School Of Sciences And Engineering Teikyo University Of Science And

• Sugahara Kiyoshi

  Division of Environmental Biology, The National Institute for Environmental Studies

• Sugahara K

  Division Of Environmental Biology The National Institute For Environmental Studies

• Sugahara Kiyoshi

  Division Of Enviromental Biology The National Institute For Enviromental Studies

• Saito M

  Shibaura Inst. Technol. Tokyo Jpn

• Saito Makoto

  Department Of Bacteriology Aichi Prefectural Institute Of Public Health

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