Involvement of membrane potential in alkaline band formation by internodal cells of Chara corallina |
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| Authors: | Shimmen Teruo Wakabayashi Akiko |
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| Affiliation: | Department of Life Science, Graduate School of Life Science, University of Hyogo, Harima Science Park City, Hyogo, 678-1297 Japan. shimmen@sci.u-hyogo.ac.jp |
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| Abstract: | Internodal cells of Chara corallina form alkaline bands on their surface upon illumination via photosynthesis. In the present study, the effect of KCl on alkaline band formation was analyzed. When the extracellular KCl concentration was increased, alkaline band formation was extensively inhibited. Electrophysiological analysis unequivocally showed the need for inner negative membrane potential for alkaline band formation. |
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