| 保卫细胞钙信号的研究进展 |
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| 引用本文： | 陈玉玲,肖玉梅,王学臣.保卫细胞钙信号的研究进展[J].植物学报,2003,20(2):144-151. |
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| 作者姓名： | 陈玉玲 肖玉梅 王学臣 |
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| 作者单位： | (中国农业大学生物学院植物生理生化国家重点实验室 北京 100094） |
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| 基金项目： | ,国家重点基础研究发展计划(973计划), |
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| 摘 要： | 钙(Ca2+)是多种信号途径的第二信使。Ca2+成像技术的成熟和发展为显示保卫细胞胞 质Ca2+浓度（［Ca2+］cyt）的分布及外界刺激引起［Ca2+］cyt的变化模式提供了很好的研究工具，关于细胞内外Ca2+库释放Ca2+的机制也有了较清楚的认识。拟南芥突变体的研究使Ca2+ 信号上游分子及其排序更加明确，［Ca2+］cyt增加下游的磷酸化和去磷酸化 过程也是气孔关闭必需的生理过程。
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| 关 键 词： | 保卫细胞 ［Ca2+］cyt 突变体 |
| 收稿时间： | 2002-03-14 |
| 修稿时间： | 2002-06-24 |
Progress of Study on Calcium Signaling in Guard Cells |
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| CHEN Yu-Ling,XIAO Yu-Mei,WANG Xue-Chen.Progress of Study on Calcium Signaling in Guard Cells[J].Bulletin of Botany,2003,20(2):144-151. |
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| Authors: | CHEN Yu-Ling XIAO Yu-Mei WANG Xue-Chen |
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| Institution: | (The International Laboratory of Plant Physiology and Biochemistry, College of Biological Science, China Agricultural University, Beijing 100094) |
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| Abstract: | Calcium is the second messenger involved in multiple signal transduction pathways. Distribution of ［Ca2+］cyt in guard cell and changes of ［Ca2+］cyt in duced by exogeneous stimuli can be showed by using Ca2+fluorescent imaging technique, and the mechanisms of Ca2+release from intracellular and extracell ular Ca2+pools are partially revealed. The Arabidopsis mutants in some given sites show that those components also involved in Ca2+signal transduction pathway and provide molecular evidences for Ca2+signaling in guard cell. Other essential processes are phosphorylation and dephosphorylation which are downstream of Ca2+］cytelevation. |
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| Keywords: | , |
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