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Title: Regulation of Lignin Biosynthesis and Its Role in Growth-Defense Tradeoffs

Abstract

Plant growth-defense tradeoffs are fundamental for optimizing plant performance and fitness in a changing biotic/abiotic environment. This process is thought to involve readjusting resource allocation to different pathways. It has been frequently observed that among secondary cell wall components, alteration in lignin biosynthesis results in changes in both growth and defense. How this process is regulated, leading to growth or defense, remains largely elusive. In this article, we review the canonical lignin biosynthesis pathway, the recently discovered tyrosine shortcut pathway, and the biosynthesis of unconventional C-lignin. We summarize the current model of the hierarchical transcriptional regulation of lignin biosynthesis. Moreover, the interface between recently identified transcription factors and the hierarchical model are also discussed. We propose the existence of a transcriptional co-regulation mechanism coordinating energy allowance among growth, defense and lignin biosynthesis.

Authors:
 [1];  [2];  [2];  [2];  [2];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
OSTI Identifier:
1474522
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Frontiers in Plant Science
Additional Journal Information:
Journal Volume: 9; Journal Issue: N/A; Journal ID: ISSN 1664-462X
Publisher:
Frontiers Research Foundation
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Xie, Meng, Zhang, Jin, Tschaplinski, Timothy J., Tuskan, Gerald A., Chen, Jin-Gui, and Muchero, Wellington. Regulation of Lignin Biosynthesis and Its Role in Growth-Defense Tradeoffs. United States: N. p., 2018. Web. doi:10.3389/fpls.2018.01427.
Xie, Meng, Zhang, Jin, Tschaplinski, Timothy J., Tuskan, Gerald A., Chen, Jin-Gui, & Muchero, Wellington. Regulation of Lignin Biosynthesis and Its Role in Growth-Defense Tradeoffs. United States. doi:10.3389/fpls.2018.01427.
Xie, Meng, Zhang, Jin, Tschaplinski, Timothy J., Tuskan, Gerald A., Chen, Jin-Gui, and Muchero, Wellington. Fri . "Regulation of Lignin Biosynthesis and Its Role in Growth-Defense Tradeoffs". United States. doi:10.3389/fpls.2018.01427. https://www.osti.gov/servlets/purl/1474522.
@article{osti_1474522,
title = {Regulation of Lignin Biosynthesis and Its Role in Growth-Defense Tradeoffs},
author = {Xie, Meng and Zhang, Jin and Tschaplinski, Timothy J. and Tuskan, Gerald A. and Chen, Jin-Gui and Muchero, Wellington},
abstractNote = {Plant growth-defense tradeoffs are fundamental for optimizing plant performance and fitness in a changing biotic/abiotic environment. This process is thought to involve readjusting resource allocation to different pathways. It has been frequently observed that among secondary cell wall components, alteration in lignin biosynthesis results in changes in both growth and defense. How this process is regulated, leading to growth or defense, remains largely elusive. In this article, we review the canonical lignin biosynthesis pathway, the recently discovered tyrosine shortcut pathway, and the biosynthesis of unconventional C-lignin. We summarize the current model of the hierarchical transcriptional regulation of lignin biosynthesis. Moreover, the interface between recently identified transcription factors and the hierarchical model are also discussed. We propose the existence of a transcriptional co-regulation mechanism coordinating energy allowance among growth, defense and lignin biosynthesis.},
doi = {10.3389/fpls.2018.01427},
journal = {Frontiers in Plant Science},
number = N/A,
volume = 9,
place = {United States},
year = {Fri Sep 28 00:00:00 EDT 2018},
month = {Fri Sep 28 00:00:00 EDT 2018}
}

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Works referenced in this record:

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