Extracellular ATP signaling and homeostasis in plant cells

被引：28

作者：

Sun, Jian ^{[1
,2
]}

Zhang, Chunlan ^{[2
]}

Zhang, Xuan ^{[2
]}

Deng, Shurong ^{[2
]}

Zhao, Rui ^{[2
]}

Shen, Xin ^{[2
]}

Chen, Shaoliang ^{[2
]}

机构：

[1] Jiangsu Normal Univ, Coll Life Sci, Xuzhou, Jiangsu, Peoples R China

[2] Beijing Forestry Univ, Coll Biol Sci & Technol, Beijing, Peoples R China

来源：

PLANT SIGNALING & BEHAVIOR | 2012年 / 7卷 / 05期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

eATP; ATP signaling; eATP homeostasis; apyrase; PCD;

D O I：

10.4161/psb.19857

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Extracellular ATP (eATP) is now recognized as an important signaling agent in plant growth and defense response to environmental stimuli. eATP has dual functions in plant cell signaling, which is largely dependent on its concentration in the extracellular matrix (ECM). A lethal level of eATP (extremely low or high) causes cell death, whereas a moderate level of eATP benefits plant growth and development. Ecto-apyrases (Nucleoside Triphosphate-Diphosphohydrolase) help control the eATP concentrations in the ECM, and thus contributing to the mediation of plant growth and defense response upon environmental stress. In this review, we summarize eATP signaling in plants and highlight the correlation between eATP homeostasis control and programmed cell death.

引用

页码：566 / 569

页数：4

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