抗坏血酸、植物激素及其在植物应对生物胁迫过程中的相互作用。

IF 5.4 2区 生物学 Q1 PLANT SCIENCES Physiologia plantarum Pub Date : 2024-07-01 DOI:10.1111/ppl.14388
Kalpita Singh, Ravi Gupta, Sajid Shokat, Nadeem Iqbal, Gábor Kocsy, José Manuel Pérez-Pérez, Riyazuddin Riyazuddin
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引用次数: 0

摘要

植物会经受各种环境压力,对其适应性和生存产生重大影响。此外,生物胁迫还会危害农业,导致全球作物减产和经济损失。因此,植物开发了防御策略来对抗潜在的入侵者。这些策略包括调节氧化还原平衡。多项研究证明了植物抗氧化剂(包括抗坏血酸(Asc))在生物胁迫条件下的积极作用。Asc 是一种多方面的抗氧化剂,能清除 ROS、作为不同酶的辅助因子、调节基因表达并促进铁的运输。然而,人们很少关注 Asc 及其运输、调节作用、与植物激素的相互作用以及在生物胁迫下参与防御过程等方面。Asc 与氧化还原系统的其他成分和植物激素相互作用,激活各种防御反应,从而减少植物病原体的生长,促进植物在生物胁迫条件下的生长和发育。科学报告表明,Asc 可通过与氧化还原系统和荷尔蒙系统中的成分相互作用,极大地促进植物抵抗生物胁迫。本综述侧重于 Asc 在增强植物抗病原体能力方面的作用。要更全面地了解其中的分子和细胞调控过程,还需要进一步的研究。
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Ascorbate, plant hormones and their interactions during plant responses to biotic stress.

Plants can experience a variety of environmental stresses that significantly impact their fitness and survival. Additionally, biotic stress can harm agriculture, leading to reduced crop yields and economic losses worldwide. As a result, plants have developed defense strategies to combat potential invaders. These strategies involve regulating redox homeostasis. Several studies have documented the positive role of plant antioxidants, including Ascorbate (Asc), under biotic stress conditions. Asc is a multifaceted antioxidant that scavenges ROS, acts as a co-factor for different enzymes, regulates gene expression, and facilitates iron transport. However, little attention has been given to Asc and its transport, regulatory effects, interplay with phytohormones, and involvement in defense processes under biotic stress. Asc interacts with other components of the redox system and phytohormones to activate various defense responses that reduce the growth of plant pathogens and promote plant growth and development under biotic stress conditions. Scientific reports indicate that Asc can significantly contribute to plant resistance against biotic stress through mutual interactions with components of the redox and hormonal systems. This review focuses on the role of Asc in enhancing plant resistance against pathogens. Further research is necessary to gain a more comprehensive understanding of the molecular and cellular regulatory processes involved.

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来源期刊
Physiologia plantarum
Physiologia plantarum 生物-植物科学
CiteScore
11.00
自引率
3.10%
发文量
224
审稿时长
3.9 months
期刊介绍: Physiologia Plantarum is an international journal committed to publishing the best full-length original research papers that advance our understanding of primary mechanisms of plant development, growth and productivity as well as plant interactions with the biotic and abiotic environment. All organisational levels of experimental plant biology – from molecular and cell biology, biochemistry and biophysics to ecophysiology and global change biology – fall within the scope of the journal. The content is distributed between 5 main subject areas supervised by Subject Editors specialised in the respective domain: (1) biochemistry and metabolism, (2) ecophysiology, stress and adaptation, (3) uptake, transport and assimilation, (4) development, growth and differentiation, (5) photobiology and photosynthesis.
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