视紫红质侧向扩散与视杆外段盘膜轴向位置的关系。
Rhodopsin lateral diffusion as a function of rod outer segment disk membrane axial position.
作者信息
Kaplan M W
出版信息
Biophys J. 1984 Apr;45(4):851-3. doi: 10.1016/S0006-3495(84)84229-0.
Abstract
Rhodopsin lateral diffusion was measured at three points along the axis of frog outer segments using the method of absorbance recovery after photobleaching. Mean recovery times were slightly longer in distal disk membranes than in proximal disks. A small reduction of pigment mobility with disk age may reflect subtle changes in membrane composition.
摘要
使用光漂白后吸光度恢复的方法，在青蛙视杆外段轴线上的三个点测量了视紫红质的侧向扩散。远端盘膜中的平均恢复时间比近端盘膜中的略长。随着盘龄增加，色素迁移率略有降低，这可能反映了膜成分的细微变化。
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