Plant Science Research Division, Agricultural Research Service, United States Department of Agriculture Beltsville, Maryland 20705.
Plant Physiol. 1972 Dec;50(6):784-7. doi: 10.1104/pp.50.6.784.
Polar indole-3-acetic acid movement was observed in killed plant segments and in artificial model systems. The polar diffusion of indole-3-acetic acid was observed in tissue killed by chemical or physical means in an agar-plant system and in a multicelled Plexiglas dialysis chamber containing hypocotyl tissue gradients or gradients of anion exchange material.It was suggested that polar indole-3-acetic acid movement in excised segments may be a reflection of the diffusion of indole-3-acetic acid through asymmetric gradients of materials with binding characteristics somewhat similar to ion exchange.
在已死亡的植物组织和人工模型系统中观察到极性吲哚乙酸的运动。在琼脂-植物系统和含有下胚轴组织梯度或阴离子交换材料梯度的多细胞有机玻璃透析室中，用化学或物理方法杀死组织后，观察到吲哚乙酸的极性扩散。有人认为，离体组织中极性吲哚乙酸的运动可能反映了吲哚乙酸通过与离子交换有些相似的结合特性的物质不对称梯度的扩散。
