Root branching responses to phosphate and nitrate

被引:137
作者
Desnos, Thierry [1 ]
机构
[1] CEA Cadarache, SBVME, Lab Biol Dev Plantes, F-13108 St Paul Les Durance, France
关键词
D O I
10.1016/j.pbi.2007.10.003
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Plant roots favour colonization of nutrient-rich zones in soil. Molecular genetic evidences demonstrate that roots sense and respond to local and global concentrations of inorganic phosphate and nitrate, in a fashion that depends on the shoot nutrient status. Recent investigations in Arabidopsis highlighted the role of the root tip in phosphate sensing and attributed to already known proteins (multicopper oxidases and nitrate transporters) new and unexpected functions in the root growth response to phosphate or nitrate.
引用
收藏
页码:82 / 87
页数:6
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