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- W3159160152 endingPage "5918" @default.
- W3159160152 startingPage "5905" @default.
- W3159160152 abstract "In photosynthetic plant cells, chloroplasts act as factories of metabolic intermediates that support plant growth. Chloroplast performance is highly influenced by environmental cues. Thus, these organelles have the additional function of sensing ever changing environmental conditions, thereby playing a key role in harmonizing the growth and development of different organs and in plant acclimation to the environment. Moreover, chloroplasts constitute an excellent source of metabolic intermediates that are remobilized to sink tissues during senescence so that chloroplast dismantling is a tightly regulated process that plays a key role in plant development. Stressful environmental conditions enhance the generation of reactive oxygen species (ROS) by chloroplasts, which may lead to oxidative stress causing damage to the organelle. These environmental conditions trigger mechanisms that allow the rapid dismantling of damaged chloroplasts, which is crucial to avoid deleterious effects of toxic by-products of the degradative process. In this review, we discuss the effect of redox homeostasis and ROS generation in the process of chloroplast dismantling. Furthermore, we summarize the structural and biochemical events, both intra- and extraplastid, that characterize the process of chloroplast dismantling in senescence and in response to environmental stresses." @default.
- W3159160152 created "2021-05-10" @default.
- W3159160152 creator A5011797911 @default.
- W3159160152 creator A5090144873 @default.
- W3159160152 date "2021-05-07" @default.
- W3159160152 modified "2023-10-17" @default.
- W3159160152 title "Chloroplast dismantling in leaf senescence" @default.
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