关于节肢动物视觉细胞膜电导控制的机制
On the mechanism of conductance control of the arthropod visual cell membrane.
作者信息
Stieve H
出版信息
Biophys Struct Mech. 1977 Jun 29;3(2):145-51. doi: 10.1007/BF00535810.
PMID:890051
Abstract
It is assumed that "dark channels" determine a permanent dark conductance of the arthropod visual cell membrane. The light stimulus causes a transient opening of "light channels". The ion selectivity of dark channels and light channels is roughly described. Factors influencing the activation of light channels, as membrane energy metabolism, membrane potential and adjusted calcium ion concentration are specified. The mechanism of the action of calcium ions on the conductance of the visual cell membrane is discussed.
摘要
假定“暗通道”决定节肢动物视觉细胞膜的永久性暗电导。光刺激导致“光通道”的短暂开放。大致描述了暗通道和光通道的离子选择性。明确了影响光通道激活的因素，如膜能量代谢、膜电位和调节后的钙离子浓度。讨论了钙离子对视觉细胞膜电导的作用机制。
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