MicroRNA-mediated surveillance of phosphate transporters on the move

被引：60

作者：

Liu, Tzu-Yin ^{[1
]}

Lin, Wei-Yi ^{[1
]}

Huang, Teng-Kuei ^{[1
,2
,3
]}

Chiou, Tzyy-Jen ^{[1
,2
,4
]}

机构：

[1] Acad Sinica, Agr Biotechnol Res Ctr, Taipei 115, Taiwan

[2] Acad Sinica, Taiwan Int Grad Program, Mol & Biol Agr Sci Program, Taipei 115, Taiwan

[3] Natl Chung Hsing Univ, Grad Inst Biotechnol, Taichung 402, Taiwan

[4] Natl Chung Hsing Univ, Ctr Biotechnol, Taichung 402, Taiwan

来源：

TRENDS IN PLANT SCIENCE | 2014年 / 19卷 / 10期

关键词：

NITROGEN LIMITATION ADAPTATION; EXPRESSION ANALYSIS SUGGESTS; TRANSCRIPTION FACTOR; INORGANIC-PHOSPHATE; FUNCTIONAL-CHARACTERIZATION; ENDOPLASMIC-RETICULUM; PHOSPHORUS-DEFICIENT; STARVATION RESPONSES; MOLECULAR-MECHANISMS; LEUKEMIA VIRUSES;

D O I：

10.1016/j.tplants.2014.06.004

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Phosphate (Pi), which is indispensable for the structural and metabolic needs of plants, is acquired and translocated by Pi transporters. Deciphering the regulatory network of Pi signaling and homeostasis that involves the control of Pi transporters trafficking to, and their activity at, the plasma membrane provides insight into how plants adapt to environmental changes in Pi availability. Here, we review recent studies that revealed the involvement of microRNA399-PHOSPHATE 2 (PHO2) and microR827-NITROGEN LIMITATION ADAPTATION (NLA) modules in mediating the ubiquitination and degradation of PHOSPHATE TRANSPORTER 1 (PHT1) and/or PHOSPHATE 1 (PHO1). These discoveries show that miRNAs are an effective way for plants to monitor the turnover of Pi transporters in the membrane system by modulating the functioning of the membrane-associated ubiquitin machinery.

引用

页码：647 / 655

页数：9

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