重力与植物细胞内膜电位的差异。
Gravity and intracellular differences in membrane potentials of plant cells.
机构信息
Department of Botany, University of Vermont, Burlington, Vermont 05401.
出版信息
Plant Physiol. 1972 Jun;49(6):1019-20. doi: 10.1104/pp.49.6.1019.
Abstract
The electrical potentials across the cell membranes of the lower parts of Zea mays coleoptile cells are about 2 millivolts more negative than across the upper parts. This electrical polarization with respect to gravity occurs when coleoptiles are oriented with their apical ends either up or down and seems independent of the magnitude of the potential when the potential is modified by other treatments.
摘要
玉米下胚轴细胞的细胞膜下部的跨膜电位比上部的跨膜电位大约负 2 毫伏。当玉米胚芽鞘的顶端朝上或朝下定向时，就会发生这种相对于重力的电极化，而且当通过其他处理改变电势时，这种电极化似乎与电势的大小无关。
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