How does auxin enhance cell elongation?: Roles of auxin-binding proteins and potassium channels in growth control

被引：50
作者：
Christian, M.
Steffens, B.
Schenck, D.
Burmester, S.
Boettger, M.
Luethen, H.
机构：
[1] Univ Hamburg, Biozentrum Klein Flottbek Physiol, D-22609 Hamburg, Germany
[2] Univ Kiel, Inst Bot, D-24098 Kiel, Germany
[3] Univ Kiel, Bot Gardens, D-24098 Kiel, Germany
来源：
PLANT BIOLOGY | 2006年 / 8卷 / 03期
关键词：
auxin; elongation growth; TIR1; ABP1; receptor; signal transduction;
D O I：
10.1055/s-2006-923965
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Elongation growth and a several other phenomena in plant development are controlled by the plant hormone auxin. A number of recent discoveries shed light on one of the classical problems of plant physiology: the perception of the auxin signal. Two types of auxin receptors are currently known: the AFB/TIR family of F box proteins and ABP1. ABP1 appears to control membrane transport processes (H+ secretion, osmotic adjustment) while the TIR/AFBs have a role in auxin-induced gene expression. Models are proposed to explain how membrane transport (e.g., K+ and H+ fluxes) can act as a cross-linker for the control of more complex auxin responses such as the classical stimulation of cell elongation.
引用
收藏
页码：346 / 352
页数：7
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