MiPEPs and cPEPs as tools to monitor plant gene expression and develop alternative strategies in agriculture.

IF 5.6 2区 生物学 Q1 PLANT SCIENCES
Patrice Thuleau, Mélanie Ormancey, Serge Plaza, Jean-Philippe Combier
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引用次数: 0

Abstract

In order to develop a sustainable agriculture respecting the environment and to reduce chemical inputs, a new strategy has emerged in recent years, based on the use of products targeting plants' natural defense and growth mechanisms. In this context, a few years ago we demonstrated the existence in plants of regulatory peptides called miPEPs for "microRNA-encoded peptides". MicroRNAs (miRNAs) are small RNAs that down-regulate the expression of numerous genes in eukaryotes. MiPEPs increase the amount of their cognate miRNA, resulting in an even greater decrease in the expression of genes targeted by these miRNAs. Thus, the application of an artificial miPEP to a plant causes a phenotype associated with a change in the genes targeted by the corresponding miRNA. More recently we also identified new regulatory peptides, namely cPEPs for "complementary peptides", capable of enhancing the activity of a given protein, independently of any increase in transcriptional activity. Moreover, as for the miPEPs, the external application of these new peptides makes it possible to regulate the phenotypes associated with the targeted proteins. This review highlights the most recent advances in the potential use of miPEPs and cPEPs in agronomy to improve plant development and stress tolerance.

mipep和cpep作为监测植物基因表达和制定农业替代策略的工具。
为了发展尊重环境和减少化学品投入的可持续农业,近年来出现了一种新的战略,即利用针对植物自然防御和生长机制的产品。在此背景下,几年前我们证明了植物中存在称为mipep的“microrna编码肽”的调节肽。MicroRNAs (miRNAs)是真核生物中下调许多基因表达的小rna。mipep增加其同源miRNA的数量,导致这些miRNA靶向基因的表达更大的下降。因此,将人工miPEP应用于植物会导致与相应miRNA靶向基因变化相关的表型。最近,我们还发现了新的调控肽,即“互补肽”的cpep,能够增强给定蛋白质的活性,而不依赖于转录活性的增加。此外,对于mipep,这些新肽的外用使得调节与目标蛋白相关的表型成为可能。本文综述了mipep和cpep在改善植物发育和抗逆性方面的最新进展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Experimental Botany
Journal of Experimental Botany 生物-植物科学
CiteScore
12.30
自引率
4.30%
发文量
450
审稿时长
1.9 months
期刊介绍: The Journal of Experimental Botany publishes high-quality primary research and review papers in the plant sciences. These papers cover a range of disciplines from molecular and cellular physiology and biochemistry through whole plant physiology to community physiology. Full-length primary papers should contribute to our understanding of how plants develop and function, and should provide new insights into biological processes. The journal will not publish purely descriptive papers or papers that report a well-known process in a species in which the process has not been identified previously. Articles should be concise and generally limited to 10 printed pages.
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