Impact of Lignin Structure and Cell Wall Reticulation on Maize Cell Wall Degradability

Autor: Valérie Méchin, Corinne Melin, Dominique Denoue, Stéphanie Baumberger, Tanya Culhaoglu, Yu Zhang, Yves Barrière, Brigitte Pollet
Přispěvatelé: Institut Jean-Pierre Bourgin (IJPB), Institut National de la Recherche Agronomique (INRA)-AgroParisTech, French Research National Agency (ANR) [ANR-08-BLAN-0307-01], INRA CEPIA, INRA BV
Jazyk: angličtina
Rok vydání: 2011
Předmět:
Zdroj: Journal of Agricultural and Food Chemistry
Journal of Agricultural and Food Chemistry, American Chemical Society, 2011, 59 (18), pp.10129-10135. ⟨10.1021/jf2028279⟩
ISSN: 0021-8561
1520-5118
DOI: 10.1021/jf2028279⟩
Popis: In this study, eight maize recombinant inbred lines were selected to assess both the impact of lignin structure and the impact of cell wall reticulation by p-hydroxycinnamic acids on cell wall degradability independently of the main "lignin content" factor. These recombinant lines and their parents were analyzed for in vitro degradability, cell wall residue content, esterified and etherified p-hydroxycinnamic acid content, and lignin content and structure. Lignin structure and esterified p-coumaric acid content showed significantly high correlation with in vitro degradability (r = -0.82 and r = -0.72, respectively). A multiple regression analysis showed that more than 80% of cell wall degradability variations within these 10 lines (eight recombinant inbred lines and their two parents) were explained by a regression model including two main explanatory factors: lignin content and estimated proportion of syringyl lignin units esterified by p-coumaric acid. This study revealed new biochemical parameters of interest to improve cell wall degradability and promote lignocellulose valorization.
Databáze: OpenAIRE