Extracellular ATP signaling and homeostasis in plant cells

Extracellular ATP signaling and homeostasis in plant cells
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植物细胞中的细胞外 ATP 信号传导和稳态

DOI:
10.4161/psb.19857
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发表时间:
2012-04
影响因子:
2.9
通讯作者:
Shaoliang Chen
Shaoliang Chen
中科院分区:
生物学4区
文献类型:
--
作者:
Jian Sun;Chunlan Zhang;Xuan Zhang;Shurong Deng;Rui Zhao;Xin Shen;Shaoliang Chen

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细胞外ATP(eATP)是植物生长和防御反应中的重要信号分子。eATP在植物细胞信号传导中具有双重功能,这在很大程度上取决于其在细胞外基质(ECM)中的浓度。致死水平的eATP(极低或极高)会导致细胞死亡,而中等水平的eATP有利于植物的生长和发育。胞外腺苷三磷酸双磷酸酶(Nucleoside Triphosphate-Diphosphohydrolase,Ecto-apyrases)是一类调节胞外eATP浓度的酶,参与调节植物的生长和对环境胁迫的防御反应。本文综述了植物eATP信号转导的研究进展,并重点介绍了eATP稳态调控与细胞程序性死亡的关系。
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.
DOI: 10.1007/978-3-540-28516-8_15
发表时间: 2006
期刊: --
影响因子: --
作者:
S. Roux;C. Song;Collene R. Jeter
通讯作者: S. Roux;C. Song;Collene R. Jeter
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