Caffeoyl Shikimate Esterase (CSE) Is an Enzyme in the Lignin Biosynthetic Pathway in Arabidopsis

Author:

Vanholme Ruben12,Cesarino Igor12,Rataj Katarzyna3,Xiao Yuguo3,Sundin Lisa12,Goeminne Geert12,Kim Hoon4,Cross Joanna12,Morreel Kris12,Araujo Pedro12,Welsh Lydia3,Haustraete Jurgen5,McClellan Christopher3,Vanholme Bartel12,Ralph John4,Simpson Gordon G.36,Halpin Claire3,Boerjan Wout12

Affiliation:

1. Department of Plant Systems Biology, VIB (Flanders Institute for Biotechnology), Technologiepark 927, B-9052 Ghent, Belgium.

2. Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, B-9052 Ghent, Belgium.

3. Division of Plant Sciences, College of Life Sciences, University of Dundee at the James Hutton Institute, Dundee DD2 5DA, UK.

4. Departments of Biochemistry and Biological Systems Engineering, and the Department of Energy Great Lakes Bioenergy Research Center, the Wisconsin Energy Institute, University of Wisconsin, Madison, 1552 University Avenue, Madison, WI 53726, USA.

5. Protein Service Facility, Department for Molecular Biomedical Research, VIB, Ghent University, Technologiepark 927, B-9052 Ghent, Belgium.

6. Cell and Molecular Science, James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK.

Abstract

Lignin Biosynthesis Complications Lignin is a polymer that lends its sturdy properties to wood and makes plant cell walls tougher, which creates problems for chemists converting cellulosic plant biomass into biofuels. Vanholme et al. (p. 1103 , published online 15 August; see the cover) have identified a new step in the biosynthetic pathway of lignin in Arabidopsis in which caffeoyl shikimate esterase catalyzes synthesis of caffeate. Cellulose from mutant plants, which had reduced amounts of lignin, was more efficiently processed into glucose.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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