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Leaf Senescence: Systems and Dynamics Aspects
- Leaf Senescence: Systems and Dynamics Aspects
- Woo, Hye Ryun; Kim, Hyo Jung; Lim, Pyung Ok; Nam, Hong Gil
- DGIST Authors
- Woo, Hye Ryun; Lim, Pyung Ok; Nam, Hong Gil
- Issue Date
- Annual Review of Plant Biology, 70, 347-376
- Article Type
- Author Keyword
- chloroplasts; environmental stresses; leaf senescence; nutrient remobilization; plant hormones; plant productivity; spatiotemporal regulatory networks
- Leaf senescence is an important developmental process involving orderly disassembly of macromolecules for relocating nutrients from leaves to other organs and is critical for plants fitness. Leaf senescence is the response of an intricate integration of various environmental signals and leaf age information and involves a complex and highly regulated process with the coordinated actions of multiple pathways. Impressive progress has been made in understanding how senescence signals are perceived and processed, how the orderly degeneration process is regulated, how the senescence program interacts with environmental signals, and how senescence regulatory genes contribute to plant productivity and fitness. Employment of systems approaches using omics-based technologies and characterization of key regulators have been fruitful in providing newly emerging regulatory mechanisms. This review mainly discusses recent advances in systems understanding of leaf senescence from a molecular network dynamics perspective. Genetic strategies for improving the productivity and quality of crops are also described. © 2019 by Annual Reviews. All rights reserved.
- Annual Reviews, Inc.
- Related Researcher
Lim, Pyung Ok
CBRG(Complex Biology Research Group)
Aging and programmen cell death in plants; RNA-based regulation of leaf aging; Synthetic genetics-based aging reprogramming
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- Department of New BiologyCBRG(Complex Biology Research Group)1. Journal Articles
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