Institute of Basic Biological Problems of the Russian Academy of Sciences, Pushchino, Russia.
Physiol Plant. 2019 May;166(1):181-198. doi: 10.1111/ppl.12936. Epub 2019 Mar 6.
The review covers data representing the plastoquinone pool as the component integrated in plant antioxidant defense and plant signaling. The main goal of the review is to discuss the evidence describing the plastoquinone-involved biochemical reactions, which are incorporated in maintaining the sustainability of higher plants to stress conditions. In this context, the analysis of the reactions of various redox forms of plastoquinone with oxygen species is presented. The review describes how these reactions can constitute both the antioxidant and signaling functions of the pool. Special attention is paid to the reaction of superoxide anion radicals with plastohydroquinone molecules, producing hydrogen peroxide as signal molecules. Attention is also given to the processes affecting the redox state of the plastoquinone pool because the redox state of the pool is of special importance for antioxidant defense and signaling.
该综述涵盖了将质体醌池作为整合在植物抗氧化防御和植物信号中的组分的数据。综述的主要目的是讨论描述质体醌参与的生化反应的证据，这些反应被纳入维持高等植物对胁迫条件的可持续性。在这方面，呈现了分析各种质体醌氧化还原形式与氧物种的反应。该综述描述了这些反应如何构成池的抗氧化和信号功能。特别关注超氧阴离子自由基与质体氢醌分子的反应，产生过氧化氢作为信号分子。还关注影响质体醌池氧化还原状态的过程，因为池的氧化还原状态对抗氧化防御和信号传递具有特殊重要性。
