Auxin transport

被引：272

作者：

Blakeslee, JJ ^{[1
]}

Peer, WA ^{[1
]}

Murphy, AS ^{[1
]}

机构：

[1] Purdue Univ, Dept Hort, W Lafayette, IN 47907 USA

来源：

CURRENT OPINION IN PLANT BIOLOGY | 2005年 / 8卷 / 05期

关键词：

D O I：

10.1016/j.pbi.2005.07.014

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Polar transport of auxin is essential for normal plant growth and development. On a cellular level, directional auxin transport is primarily controlled by an efflux carrier complex that is characterized by the PIN-FORMED (PIN) family of proteins. Detailed developmental studies of PIN distribution and subcellular localization have been combined with the analysis of changes in localized auxin levels to map PIN-mediated auxin movement throughout Arabidopsis tissues. Plant orthologs of mammalian multidrug-resistance/P-glycoproteins (MDR/ PGPs) also function in auxin efflux. MDR/PGPs appear to stabilize efflux complexes on the plasma membrane and to function as ATP-dependent auxin transporters, with the specificity and directionality of transport being provided by interacting PIN proteins.

引用

页码：494 / 500

页数：7

共 60 条

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