Molecular Biology of Lignification in Grasses - Archive ouverte HAL Accéder directement au contenu
Chapitre D'ouvrage Année : 2012

Molecular Biology of Lignification in Grasses

Résumé

As we transition into the twenty-first century, the need for renewable resources to address global energy and food demands has become a major concern. Around the world, scientists are interested in engineering dedicated biomass feedstocks particularly for improved cell wall composition by modifying the major wall components, cellulose and lignin. In this chapter, we review the current knowledge of plant engineering specifically in the area of lignin biosynthesis and composition towards the goal of generating plants optimized for bioethanol production and animal feed. Crops dedicated as biomass feedstocks, i.e., miscanthus, switchgrass, triticals, sorghum and maize, are grasses, which have unique characteristics of making their cell walls ideal sources for bioethanol production. Our understanding of the grass cell wall has significantly improved in the past two decades through studies carried out primarily in maize (Zea mays). Here, we discuss several aspects of lignin deposition into the cell wall including the cellular and molecular aspects of lignin biosynthesis. Significant effort was dedicated to identifying the molecular regulators of these processes and the developmental defects resulting from gene modifications. In addition, we demonstrate genetic correlations between genes of the lignin biosynthesis pathway to those involved in cell wall deposition using a gene expression network program. Together this work lays the foundation for future studies addressing the molecular regulation of lignification in the grasses in hopes to develop, through genetic engineering, ideal biomass feedstocks for biofuel production.
Fichier non déposé

Dates et versions

hal-01053117 , version 1 (29-07-2014)

Identifiants

Citer

Michael Harrington, Marek Mutwil, Yves Barrière, Richard Sibout. Molecular Biology of Lignification in Grasses. Lise Jouanin; Catherine Lapierre. Lignins Biosynthesis, Biodegradation and Bioengineering, 61, Academic Press - Elsevier, pp.77 - 112, 2012, Advances in Botanical Research, 978-0-12-416023-1. ⟨10.1016/B978-0-12-416023-1.00003-3⟩. ⟨hal-01053117⟩
167 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More