Polyamines: Their Role in Plant Development and Stress.

IF 21.3 1区 生物学 Q1 PLANT SCIENCES
Miguel A Blázquez
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引用次数: 0

Abstract

This review focuses on the intricate relationship between plant polyamines and the genetic circuits and signaling pathways that regulate various developmental programs and the defense responses of plants when faced with biotic and abiotic aggressions. Particular emphasis is placed on genetic evidence supporting the involvement of polyamines in specific processes, such as the pivotal role of thermospermine in regulating xylem cell differentiation and the significant contribution of polyamine metabolism in enhancing plant resilience to drought. Based on the numerous studies describing effects of the manipulation of plant polyamine levels, two conceptually different mechanisms for polyamine activity are discussed: direct participation of polyamines in translational regulation and the indirect production of hydrogen peroxide as a defensive mechanism against pathogens. By describing the multifaceted functions of polyamines, this review underscores the profound significance of these compounds in enabling plants to adapt and thrive in challenging environments.

多胺:多胺:它们在植物发育和胁迫中的作用
本综述侧重于植物多胺与遗传回路和信号通路之间错综复杂的关系,这些回路和通路在植物面临生物和非生物侵袭时调控各种发育程序和防御反应。文章特别强调了支持多胺参与特定过程的遗传证据,例如热精胺在调节木质部细胞分化中的关键作用,以及多胺代谢在增强植物抗旱能力中的重要贡献。基于大量研究对操纵植物多胺水平的影响的描述,本文讨论了多胺活动的两种概念上不同的机制:多胺直接参与翻译调节和间接产生过氧化氢作为抵御病原体的防御机制。通过描述多胺的多方面功能,本综述强调了这些化合物在使植物适应并在具有挑战性的环境中茁壮成长方面的深远意义。植物生物学年刊》第 75 卷的最终在线出版日期预计为 2024 年 5 月。修订后的预计日期请参见 http://www.annualreviews.org/page/journal/pubdates。
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
Annual review of plant biology
Annual review of plant biology 生物-植物科学
CiteScore
40.40
自引率
0.40%
发文量
29
期刊介绍: The Annual Review of Plant Biology is a peer-reviewed scientific journal published by Annual Reviews. It has been in publication since 1950 and covers significant developments in the field of plant biology, including biochemistry and biosynthesis, genetics, genomics and molecular biology, cell differentiation, tissue, organ and whole plant events, acclimation and adaptation, and methods and model organisms. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license.
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