Effects of Altered Lignin Biosynthesis on Phenylpropanoid Metabolism and Plant Stress

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Baxter, Holly L, and C Neal Stewart. 2013. Biofuels 4 (6): 635–50. doi:10.4155/bfs.13.56.

Type Journal Article
Author Holly L Baxter
Author C Neal Stewart
URL http://www.tandfonline.com/doi/full/10.4155/bfs.13.56#
Volume 4
Issue 6
Pages 635-650
Publication Biofuels
ISSN 1759-7269
Date November 1, 2013
Journal Abbr Biofuels
DOI 10.4155/bfs.13.56
Accessed 11/4/2014, 7:00:00 PM
Abstract Modification of lignin in bioenergy feedstocks has become a common strategy to increase saccharification and biofuel yield. The lignin biosynthetic pathway in several plant species has been dissected and key enzymes have been manipulated in transgenic plants. Recent analyses of lignin-modified plants have shown that decreasing lignin biosynthesis can alter carbon flow within the phenylpropanoid pathway and indirectly affect the synthesis of other secondary metabolites, many of which can play important roles in plant?environment interactions. In addition, lignin modifications have also been shown to induce the expression of various stress response-related genes. Examining and understanding these indirect effects of lignin modification on stress-related processes are essential, since they could ultimately impact the performance of low-lignin bioenergy feedstocks under agronomic field conditions. Recent efforts to characterize such effects will be discussed in this review.

Keywords: 

  • Acids
  • Bioenergy
  • Biofuels
  • Biosynthesis
  • Carbon
  • Flavonoids
  • Genes
  • Lignins
  • Plants
  • Transgenics

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