Cellular processes relying on sterol function in plants

被引：108

作者：

Boutte, Yohann ^{[1
]}

Grebe, Markus ^{[1
]}

机构：

[1] Umea Univ, Dept Plant Physiol, Umea Plant Sci Ctr, SE-90187 Umea, Sweden

来源：

CURRENT OPINION IN PLANT BIOLOGY | 2009年 / 12卷 / 06期

基金：

瑞典研究理事会;

关键词：

AUXIN EFFLUX CARRIER; PLASMA-MEMBRANE; ARABIDOPSIS-THALIANA; LIPID RAFTS; BIOSYNTHETIC PATHWAYS; MEVALONATE PATHWAY; ENDOCYTOSIS; PROTEIN; SPHINGOLIPIDS; MICRODOMAINS;

D O I：

10.1016/j.pbi.2009.09.013

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Sterols are lipophilic membrane components essential for diverse cellular functions. The plant sterol biosynthesis pathway has largely been defined by biochemical approaches. Sterol function has been investigated by the pharmacological and genetic manipulation of sterol biosynthesis. However, mechanisms by which sterols influence cellular processes and targets of sterol function remain largely unknown. During the last two years, new Arabidopsis sterol biosynthesis mutants have been characterized. Their analysis has revealed the contributions of known and alternative routes of sterol biosynthesis to various cellular processes. Subcellular localization and trafficking of a sterol-binding protein have been investigated and first steps towards in vivo characterization of sterol-enriched membrane domains have been taken. Finally, mechanistic insight into the role of plant sterols during endocytosis and the establishment of cell polarity has been obtained.

引用

页码：705 / 713

页数：9

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