NPR在SA信号通路中的研究进展

乔禹,丁国华

中国农学通报. 2016, 32(8): 37-43

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中国农学通报 ›› 2016, Vol. 32 ›› Issue (8) : 37-43. DOI: 10.11924/j.issn.1000-6850.casb15100117
生物技术科学

NPR在SA信号通路中的研究进展

  • 乔禹1,丁国华1,2
作者信息 +

Research Progress of NPR in SA Signaling Pathways

  • Qiao Yu1, Ding Guohua1,2
Author information +
History +

摘要

长期以来，水杨酸(SA)被认为是植物的内源信号分子，并与植物体内的多种抗性相关。病程相关基因非表达子(NPR)是SA信号通路中的关键性因子，能够介导该信号转导途径的顺利进行。为了详尽地阐述近年来多项研究对NPR研究的进展，本研究在分子水平上介绍了NPR的研究起源、SA受体，归纳了NPR1与其旁系同源物NPR3和NPR4之间相互协调的关系，分析了SA信号通路与SA提高植物抗性的机制。指出在多种植物体内，虽然NPR在SA信号通路中扮演着不可或缺的角色，但是由SA所诱导的植物抗病机制是一个复杂、精密的网络，现有的生物分子技术仍然无法使NPR的作用完全透明化。而且，在不同的植物体和相同植物的不同部位中，各种信号的转导方式也未必相同。因此，需要通过进一步确认整个信号通路中各组分及其功能、对模式植物进行详细研究来使该过程完整化。

Abstract

For a long time, salicylic acid (SA) is regarded as an endogenous signaling molecule and associated with several resistances in plants. NPR is the key factor in SA signaling pathways that can mediate the signal transduction pathways smoothly. In order to illustrate the research progress of NPR in recent years clearly, this paper introduced NPR origin and SA receptors, concluded coordinating relationship between NPR1 and its paralogs NPR3/NPR4, analyzed the mechanism of both SA signaling pathways and SA for improving resistances in plants as well. The authors concluded that even though the NPR played a significant role in SA signaling pathways, the mechanisms of plant resistance induced by SA was a sophisticated and complex network, the existing biomolecular techniques could not make function of NPR totally transparency. Moreover, transduction of various molecular was not the same in different plants or different parts of the same plant. Thus, all components with their function in this process should be further confirmed, and the integrated process also should be based on a detailed study of model plant.

关键词

NPR；SA信号通路；SAR；植物抗性

Key words

NPR; SA signaling pathways; SAR; plant resistance

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乔禹,丁国华. NPR在SA信号通路中的研究进展. 中国农学通报. 2016, 32(8): 37-43 https://doi.org/10.11924/j.issn.1000-6850.casb15100117
Qiao Yu and Ding Guohua. Research Progress of NPR in SA Signaling Pathways. Chinese Agricultural Science Bulletin. 2016, 32(8): 37-43 https://doi.org/10.11924/j.issn.1000-6850.casb15100117

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