通过凝胶过滤色谱法测定的植物细胞壁通透性。
The permeability of plant cell walls as measured by gel filtration chromatography.
作者信息
Tepfer M, Taylor I E
出版信息
Science. 1981 Aug 14;213(4509):761-3. doi: 10.1126/science.213.4509.761.
PMID:17834583
Abstract
The permeability of plant cell walls to macromolecules may limit the ability of enzymes to alter the biochemical and physical properties of the wall. Proteins of molecular weight up to 60,000 can permeate a substantial portion of the cell wall. Measurements of wall permeability in which cells are exposed to hypertonic solutions of macromolecules may seriously underestimate wall permeability.
摘要
植物细胞壁对大分子的通透性可能会限制酶改变细胞壁生化和物理特性的能力。分子量高达60,000的蛋白质能够渗透细胞壁的很大一部分。在细胞暴露于大分子高渗溶液的情况下测量细胞壁通透性，可能会严重低估细胞壁的通透性。
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