Functions of S-nitrosylation in plant hormone networks.

Functions of S-nitrosylation in plant hormone networks.
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DOI:
10.3389/fpls.2013.00294
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发表时间:
2013
影响因子:
5.6
通讯作者:
Casalongué CA
Casalongué CA
中科院分区:
生物学2区
文献类型:
--
作者:
París R;Iglesias MJ;Terrile MC;Casalongué CA

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在植物中,一氧化氮(NO)和激素共同调控着广泛的生理过程。这种重叠的作用提出了一个问题,即NO和激素之间的相互作用如何引发常见的生理反应。一般来说,NO已被广泛接受为在不同过程中起作用的信号分子。在NO和NO衍生的反应性物质可以实现其生物学功能的最相关的方式中,值得一提的是翻译后蛋白质修饰。在过去的几年中,S-亚硝基化一直是研究最多的NO依赖性调节机制。简而言之,S-亚硝基化是半胱氨酸残基修饰的基于氧化还原的机制,并且被认为是与磷酸化相当的普遍存在的调节反应。因此,它正在成为植物和动物中NO生物活性转导的重要机制。本文综述了植物激素网络相关靶蛋白的S-亚硝基化反应。
In plants, a wide frame of physiological processes are regulated in liaison by both, nitric oxide (NO) and hormones. Such overlapping roles raise the question of how the cross-talk between NO and hormones trigger common physiological responses. In general, NO has been largely accepted as a signaling molecule that works in different processes. Among the most relevant ways NO and the NO-derived reactive species can accomplish their biological functions it is worthy to mention post-translational protein modifications. In the last years, S-nitrosylation has been the most studied NO-dependent regulatory mechanism. Briefly, S-nitrosylation is a redox-based mechanism for cysteine residue modification and is being recognized as a ubiquitous regulatory reaction comparable to phosphorylation. Therefore, it is emerging as a crucial mechanism for the transduction of NO bioactivity in plants and animals. In this mini-review, we provide an overview on S-nitrosylation of target proteins related to hormone networks in plants.
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