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保卫细胞扩展蛋白 AtEXPA1 调控气孔开度。

Regulation of stomatal opening by the guard cell expansin AtEXPA1.

机构信息

State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, China.

出版信息

Plant Signal Behav. 2011 May;6(5):740-2. doi: 10.4161/psb.6.5.15144. Epub 2011 May 1.

DOI:10.4161/psb.6.5.15144
PMID:21593593
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3172853/
Abstract

Stomatal movement is strictly regulated by various intracellular and extracellular factors in response environmental signals. In our recent study, we found that an Arabidopsis guard cell expressed expansin, AtEXPA1, regulates stomatal opening by altering the structure of the guard cell wall. This addendum proposes a mechanism by which guard cell expansins regulate stomatal movement.

摘要

气孔运动受各种细胞内和细胞外因子的严格调控，以响应环境信号。在我们最近的研究中，我们发现拟南芥保卫细胞表达的扩展蛋白 AtEXPA1 通过改变保卫细胞壁的结构来调节气孔的张开。本文增刊提出了一种保卫细胞扩展蛋白调节气孔运动的机制。

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本文引用的文献

1
Overexpression of the Arabidopsis α-expansin gene AtEXPA1 accelerates stomatal opening by decreasing the volumetric elastic modulus.拟南芥α-扩展蛋白基因 AtEXPA1 的过表达通过降低体积弹性模量加速气孔开放。
Plant Cell Rep. 2011 Jan;30(1):27-36. doi: 10.1007/s00299-010-0937-2. Epub 2010 Oct 26.
2
Abscisic acid: emergence of a core signaling network.脱落酸：核心信号网络的出现。
Annu Rev Plant Biol. 2010;61:651-79. doi: 10.1146/annurev-arplant-042809-112122.
3
The expansin superfamily.扩展蛋白超家族。
Genome Biol. 2005;6(12):242. doi: 10.1186/gb-2005-6-12-242. Epub 2005 Nov 28.
4
Extracellular calmodulin-induced stomatal closure is mediated by heterotrimeric G protein and H2O2.细胞外钙调蛋白诱导的气孔关闭由异源三聚体G蛋白和过氧化氢介导。
Plant Physiol. 2004 Dec;136(4):4096-103. doi: 10.1104/pp.104.047837. Epub 2004 Nov 19.
5
Expansins and cell growth.扩展蛋白与细胞生长。
Curr Opin Plant Biol. 2003 Dec;6(6):603-10. doi: 10.1016/j.pbi.2003.09.003.
6
Cell wall arabinan is essential for guard cell function.细胞壁阿拉伯聚糖对保卫细胞功能至关重要。
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7
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Disruption of hydrogen bonding between plant cell wall polymers by proteins that induce wall extension.诱导细胞壁伸展的蛋白质对植物细胞壁聚合物之间氢键的破坏。
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