Ionizing radiation manifesting DNA damage response in plants : An overview of DNA damage signaling and repair mechanisms in plants

Copyright © 2018 Elsevier B.V. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 278(2019) vom: 06. Jan., Seite 44-53
1. Verfasser: Kim, Jin-Hong (VerfasserIn)
Weitere Verfasser: Ryu, Tae Ho, Lee, Seung Sik, Lee, Sungbeom, Chung, Byung Yeoup
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Review DNA damage response Double-strand break Ionizing radiation SOG1 Signaling pathway Transcription
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520 |a Plants orchestrate various DNA damage responses (DDRs) to overcome the deleterious impacts of genotoxic agents on genetic materials. Ionizing radiation (IR) is widely used as a potent genotoxic agent in plant DDR research as well as plant breeding and quarantine services for commercial uses. This review aimed to highlight the recent advances in cellular and phenotypic DDRs, especially those induced by IR. Various physicochemical genotoxic agents damage DNA directly or indirectly by inhibiting DNA replication. Among them, IR-induced DDRs are considerably more complicated. Many aspects of such DDRs and their initial transcriptomes are closely related to oxidative stress response. Although many key components of DDR signaling have been characterized in plants, DDRs in plant cells are not understood in detail to allow comparison with those in yeast and mammalian cells. Recent studies have revealed plant DDR signaling pathways including the key regulator SOG1. The SOG1 and its upstream key components ATM and ATR could be functionally characterized by analyzing their knockout DDR phenotypes after exposure to IR. Considering the potent genotoxicity of IR and its various DDR phenotypes, IR-induced DDR studies should help to establish an integrated model for plant DDR signaling pathways by revealing the unknown key components of various DDRs in plants 
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650 4 |a DNA damage response 
650 4 |a Double-strand break 
650 4 |a Ionizing radiation 
650 4 |a SOG1 
650 4 |a Signaling pathway 
650 4 |a Transcription 
700 1 |a Ryu, Tae Ho  |e verfasserin  |4 aut 
700 1 |a Lee, Seung Sik  |e verfasserin  |4 aut 
700 1 |a Lee, Sungbeom  |e verfasserin  |4 aut 
700 1 |a Chung, Byung Yeoup  |e verfasserin  |4 aut 
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