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Journal Article

Inhibition of Na-alanine cotransport in oocytes of Xenopus laevis during meiotic maturation is voltage-regulated

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Jung,  Dieter
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Lafaire,  Andreas V.
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Schwarz,  Wolfgang
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Jung, D., Lafaire, A. V., & Schwarz, W. (1984). Inhibition of Na-alanine cotransport in oocytes of Xenopus laevis during meiotic maturation is voltage-regulated. Pflügers Archiv: European Journal of Physiology, 402(1), 39-41. doi:10.1007/BF00584829.


Cite as: https://hdl.handle.net/21.11116/0000-0008-B180-E
Abstract
During progesterone-induced maturation of oocytes of Xenopus laevis the fast decrease of the rate of Na+-alanine cotransport is accompanied by a depolarization of the membrane potential and an increase in the intracellular Na+ activity. It is demonstrated that the decrease of the Na+-dependent alanine uptake is the result of the depolarization while the simultaneous increase in intracellular Na+ activity has no significant effect.