Changes in cytoplasmic pH measured by 31P-NMR in cells of nitellopsis obtusa

Tetsuro Mimura, Yutaka Kirino

研究成果: Article同行評審

47 引文 斯高帕斯(Scopus)

摘要

The cytoplasmic pH of Nitellopsis obtusa measured by the 31P-nuclear magnetic resonance method was about 7.3. Since normal cell have a large vacuole, a long period of time is needed to accumulate signals for cytoplasmic phosphate. To measure the cytoplasmic pH in a shorter period, cytoplasm-rich cells were prepared by centrifugation. The cytoplasmic pH of these cells was also about 7.3. Illumination reversibly increased the cytoplasmic pH from 7.3 to 7.8. When the cytoplasm-rich cell was illuminated, the membrane potential hyperpolarized concomitant with the alkalification of the cytoplasm.

原文English
頁(從 - 到)813-820
頁數8
期刊Plant and Cell Physiology
25
發行號5
出版狀態Published - 1984 7月

All Science Journal Classification (ASJC) codes

  • 生理學
  • 植物科學
  • 細胞生物學

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