氧化应激
活性氧
抗氧化剂
非生物胁迫
非生物成分
弹性(材料科学)
生物
氧化磷酸化
功能(生物学)
氧化损伤
细胞生物学
生物化学
生态学
基因
热力学
物理
作者
Pavel Kerchev,Frank Van Breusegem
出处
期刊:Plant Journal
[Wiley]
日期:2021-10-07
卷期号:109 (2): 359-372
被引量:75
摘要
Originally conceived as harmful metabolic byproducts, reactive oxygen species (ROS) are now recognized as an integral part of numerous cellular programs. Thanks to their diverse physicochemical properties, compartmentalized production, and tight control exerted by the antioxidant machinery they activate signaling pathways that govern plant growth, development, and defense. Excessive ROS levels are often driven by adverse changes in environmental conditions, ultimately causing oxidative stress. The associated negative impact on cellular constituents have been a major focus of decade-long research efforts to improve the oxidative stress resilience by boosting the antioxidant machinery in model and crop species. We highlight the role of enzymatic and non-enzymatic antioxidants as integral factors of multiple signaling cascades beyond their mere function to prevent oxidative damage under adverse abiotic stress conditions.
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