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通过向基运输维持生长素极性运输

Maintenance of polarity of auxin movement by basipetal transport.

作者信息

Goldsmith M H

机构信息

Department of Biology, Yale University, New Haven, Connecticut.

出版信息

Plant Physiol. 1966 May;41(5):749-54. doi: 10.1104/pp.41.5.749.

Abstract

The polar, basipetal transport of indoleacetic acid helps to maintain polarity of auxin movement in coleoptiles of Avena sativa L. by opposing acropetal diffusion. This conclusion is supported by 3 different kinds of experiments. In all 3 experiments, sections took up (14)C carboxyl-labeled indole-3-acetic acid anaerobically, and the distribution of auxin within all sections was similar at the end of uptake.[LIST: see text].

摘要

吲哚乙酸的极性、向基运输通过对抗向顶扩散,有助于维持燕麦胚芽鞘中生长素运输的极性。这一结论得到了3种不同实验的支持。在所有3个实验中,切段在无氧条件下吸收了(14)C羧基标记的吲哚-3-乙酸,并且在吸收结束时所有切段内生长素的分布相似。[列表:见原文]

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