Molecular and cellular aspects of auxin-transport-mediated development

被引:275
作者
Vieten, Anne
Sauer, Michael
Brewer, Philip B.
Friml, Jiri
机构
[1] Univ Tubingen, Ctr Plant Mol Biol, ZMBP, D-72076 Tubingen, Germany
[2] Masaryk Univ, Dept Funct Genom & Proteom, Brno 62500, Czech Republic
关键词
D O I
10.1016/j.tplants.2007.03.006
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The plant hormone auxin is frequently observed to be asymmetrically distributed across adjacent cells during crucial stages of growth and development. These auxin gradients depend on polar transport and regulate a wide variety of processes, including embryogenesis, organogenesis, vascular tissue differentiation, root meristem maintenance and tropic growth. Auxin can mediate such a perplexing array of developmental processes by acting as a general trigger for the change in developmental program in cells where it accumulates and by providing vectorial information to the tissues by its polar intercellular flow. In recent years, a wealth of molecular data on the mechanism of auxin transport and its regulation has been generated, providing significant insights into the action of this versatile coordinative signal.
引用
收藏
页码:160 / 168
页数:9
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