Effects of External Ca^<2+> on K^+ Permeability of the Elongating Region of Mung Bean Roots under High KCI Stress

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概要

• 論文の詳細を見る

• Simultaneous measurements of the extracellular potential and the K^+(^<86>Rb) efflux, and of the intracellular and extracellular potentials of the cortical cells were used to study the effects of external Ca^<2+> on the plasma membrane K^+(^<86>Rb) permeability in two-day-old mung bean (Vigna mungo L. Hepper, 'Black matpe') roots under high KCl stress. The K^+ efflux was enhanced by a high KCl solution (> 7.5 mM), and addition of 0.5 mM Ca^<2+> could suppress this efflux. The removal of membrane-associated Ca^<2+> from the root surface with EDTA led to a recovery of the K^+ efflux along with a marked decrease in the extracellular potential.

• 日本植物生理学会の論文

著者

• Sakata M

  Department Of Instrumentation Engineering Faculty Of Science And Technology Keio University

• Sakata Makoto

  School Of Medicine Kyorin University

• Sakata Makoto

  Department Of Applied Physics Faculty Of Engineering Nagoya University

• Ohta E

  Keio Univ. Yokohama Jpn

• Ohta Eiji

  Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University

• Oka Kotaro

  Department Of System Design Faculty Of Science And Technology Keio University

• Oka Kotaro

  Department Of Biosciences And Bioinformatics Faculty Of Science And Technology Keio University

• Sakata M

  School Of Medicine Kyorin University

• Oshio Ken-ichi

  Department Of Physiology School Of Medicine Kinki University

• Ishikawa Hideo

  Department Of Instrumentation Engineering Faculty Of Science And Technology Keio University

• OHTA Eiji

  Mole. Func. Lab., Natl. Food Res. Inst.

• Ishikawa Hideo

  Department Of Botany The Ohio State University

• Ohta Eiji

  Department of Instrumentation Engineering, Faculty of Science and Technology, Keio University

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