Mineral nutrition of cultured chlorophyllous cells of tobacco IV. Kinetic studies of K and Mg uptake by the cells

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概要

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• 1. When applying the adsorption theory to the selectivity coefficient, K and Mg uptakes by cells in a K-Mg replacement series of media are not regulated only by a common mechanism, under the assumption that b values, which indicate the affinities between the ion and the adsorptive surface, do not change. 2. Regulation of K and Mg uptakes by a common multiphasic mechanism in the cells is possible when the selectivity coefficient b_K/b_<Mg> varies inversely with the M_K/M_<Mg> ratio in the external medium. 3. K and Mg uptakes are not regulated only by their respective single specific mechanisms. 4. Another possibility is regulation of K and Mg uptakes both by common and specific mechanisms. The common mechanism may be multiphasic.

• 日本植物生理学会の論文

著者

• Kohno Hitoshi

  Laboratory Of Soils And Fertilizers Faculty Of Agriculture Tamagawa University

• Yoshida Fumitake

  Laboratory Of Soils And Fertilizers Faculty Of Agriculture Tamagawa University

関連論文

• Culture of chlorophyllous tobacco-cells not requiring any organic additives except sucrose in the medium II. Mineral accumulation by the cells
• Culture of chlorophyllous tobacco-cells not requiring any organic additives except sucrose in the medium I. Effect of light and temperature on the growth of the cells
• Mineral nutrition of cultured chlorophyllous cells of tobacco IV. Kinetic studies of K and Mg uptake by the cells
• The mineral nutrition of cultured chlorophyllous cells of tobacco I. Effects of πsalts, πsucrose, Ca, Cl and B in the medium on the yield, friability, chlorophyll contents and mineral absorption of cells

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