Research progress on maintaining chloroplast homeostasis under stress conditions: a review.
Research progress on maintaining chloroplast homeostasis under stress conditions: a review.
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应激条件下维持叶绿体稳态的研究进展：综述。
DOI：
10.3724/abbs.2023022
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发表时间：
2023-02-25
影响因子：
3.7
通讯作者：
Yan J
中科院分区：
文献类型：
--
作者：
Wang Q;Yue J;Yan J
在全球范围内，干旱、盐碱、极端温度和其他非生物胁迫因素严重限制了作物的质量和产量。因此，阐明植物对恶劣环境的适应策略至关重要。叶绿体是植物细胞中重要的环境传感器。为了使植物在不同的生境中茁壮成长，必须严格调节叶绿体内稳态，这对于在胁迫环境下维持植物有效的光合作用和其他代谢反应是必要的。为了维持叶绿体正常的生理功能，需要两个重要的生物学过程：叶绿体蛋白质的输入和降解。叶绿体蛋白质的有序输入和受损叶绿体组分的及时降解在植物适应环境中起着关键作用。本文简要介绍了叶绿体TOC-TIC蛋白的转运机制。本文综述了叶绿体蛋白质周转、逆向信号和叶绿体蛋白质降解在逆境中的重要性及其研究进展。此外，有针对性地调节叶绿体内稳态的潜力，以提高植物对环境胁迫的适应性。
On a global scale, drought, salinity, extreme temperature, and other abiotic stressors severely limit the quality and yield of crops. Therefore, it is crucial to clarify the adaptation strategies of plants to harsh environments. Chloroplasts are important environmental sensors in plant cells. For plants to thrive in different habitats, chloroplast homeostasis must be strictly regulated, which is necessary to maintain efficient plant photosynthesis and other metabolic reactions under stressful environments. To maintain normal chloroplast physiology, two important biological processes are needed: the import and degradation of chloroplast proteins. The orderly import of chloroplast proteins and the timely degradation of damaged chloroplast components play a key role in adapting plants to their environment. In this review, we briefly describe the mechanism of chloroplast TOC-TIC protein transport. The importance and recent progress of chloroplast protein turnover, retrograde signaling, and chloroplast protein degradation under stress are summarized. Furthermore, the potential of targeted regulation of chloroplast homeostasis is emphasized to improve plant adaptation to environmental stresses.
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