Auxin transport: a field in flux

被引：170

作者：

Kramer, Eric M.

Bennett, Malcolm J. ^{[1
]}

机构：

[1] Univ Nottingham, Sch Biosci, Loughborough LE12 5RD, Leics, England

[2] Simons Rock Coll, Dept Phys, Great Barrington, MA 01230 USA

来源：

TRENDS IN PLANT SCIENCE | 2006年 / 11卷 / 08期

基金：

英国生物技术与生命科学研究理事会;

关键词：

D O I：

10.1016/j.tplants.2006.06.002

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Polar auxin transport is crucial for plant growth and development. Auxin moves between plant cells through a combination of membrane diffusion and carrier-mediated transport. Several classes of membrane proteins that facilitate auxin uptake and efflux have recently been identified in Arabidopsis. The relative contribution to auxin transport made by the different facilitators and by membrane diffusion is unclear. In this Opinion article, we assess the significance of auxin diffusion versus carrier-mediated transport and then discuss the physiological importance of the transport facilitators within the context of the multiple trans-cellular auxin fluxes recently described in the Arabidopsis root apex.

引用

收藏

页码：382 / 386

页数：5

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