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New insights into the regulation of leaf senescence in Arabidopsis

Title
New insights into the regulation of leaf senescence in Arabidopsis
Authors
Kim, JeongsikKim, Jin HeeLyu, Jae IlWoo, Hye RyunLim, Pyung Ok
DGIST Authors
Woo, Hye RyunLim, Pyung Ok
Issue Date
2018-02
Citation
Journal of Experimental Botany, 69(4), 787-799
Type
Article
Article Type
Review
ISSN
0022-0957
Abstract
Plants undergo developmental changes throughout their life history. Senescence, the final stage in the life history of a leaf, is an important and unique developmental process whereby plants relocate nutrients from leaves to other developing organs, such as seeds, stems, or roots. Recent attempts to answer fundamental questions about leaf senescence have employed a combination of new ideas and advanced technologies. As senescence is an integral part of a plant's life history that is linked to earlier developmental stages, age-associated leaf senescence may be analysed from a life history perspective. The successful utilization of multi-omics approaches has resolved the complicated process of leaf senescence, replacing a component-based view with a network-based molecular mechanism that acts in a spatial-temporal manner. Senescence and death are critical for fitness and are thus evolved characters. Recent efforts have begun to focus on understanding the evolutionary basis of the developmental process that incorporates age information and environmental signals into a plant's survival strategy. This review describes recent insights into the regulatory mechanisms of leaf senescence in terms of systems-level spatiotemporal changes, presenting them from the perspectives of life history strategy and evolution. © 2018 The Author(s).
URI
http://hdl.handle.net/20.500.11750/6093
DOI
10.1093/jxb/erx287
Publisher
OXFORD UNIV PRESS
Related Researcher
  • Author Lim, Pyung Ok Plant Senescence Laboratory
  • Research Interests Aging and programmen cell death in plants; RNA-based regulation of leaf aging; Synthetic genetics-based aging reprogramming
Files:
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Collection:
Department of New BiologyCBRG(Complex Biology Research Group)1. Journal Articles


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