Results and Publications

Research Areas & Activities Solar Energy Biomass Energy Efficient Biomass Conversion: Delineating the Best Lignin Monomer-Substitutes Novel Mutants Optimized for Lignin, Growth and Biofuel Production via Re-Mutagenesis The Climate-Protective Domain Towards New Degradable Lignin Types Assembly of a Lignin Modification Toolbox Microbial Synthesis of Biodiesel Directed Evolution of Novel Yeast Species Genetic Engineering of Cellulose Accumulation Hydrogen Advanced Combustion CO₂ Capture CO₂ Storage Advanced Materials & Catalysts Advanced Coal Advanced Transportation Electricity Distribution & Infrastructure Other Renewables Integrated Assessment Advanced Nuclear Energy Geoengineering Exploratory Projects All Activities Analysis Activities Technical Reports Solicitations

Research

Efficient Biomass Conversion: Delineating the Best Lignin Monomer-Substitutes

December 2008 - December 2011

Investigators

John Ralph, Xuejun Pan, and Sara Patterson, University of Wisconsin, Madison

Annual Reports

Publications

Ress, D. K., J. H. Grabber, and J. Ralph. “Lignin monomer replacement strategies: Syntheses of (-)-epicatechin ferulate, (-)-epicatechin vanillate, and 1,2-diferuloyl-(L)-tartaric Acid,” (in preparation, 2011).
Elumalai, S., J. H. Grabber, J. Ralph, and X. Pan. “Incorporation of epicatechin derivatives into cell walls, and assessment of responses to pretreatment methods and subsequent enzymatic hydrolysis,” (in preparation, 2011).
Zhu, Y. and J. Ralph. “Stereoselective synthesis of 1-O-β-feruloyl and 1-O-β-sinapoyl glucopyranoses,” European Journal of Organic Chemistry (submitted, March 25, 2011).
Tobimatsu, Y., C. L. Davidson, J. H. Grabber, and J. Ralph. “Fluorescence tagged monolignols: Synthesis and application to studying in vitro lignication,” Biomacromolecules (in press, accepted, March 16, 2011).
Morreel, K., O. Dima, H. Kim, F. Lu, C. Niculaes, R. Vanholme, R. Dauwe, G. Goeminne, D. Inzé, E. Messens, J. Ralph, and W. Boerjan. “Mass spectrometry based sequencing of lignin oligomers,” Plant Physiology, 153, 1464-1478, doi:10.1104/pp.110.156489 (2010).
Vanholme, R., K. Morreel, J. Ralph, and W. Boerjan. “Lignin biosynthesis and structure.” Plant Physiology, Vol. 153, pp. 895-905, doi:10.1104/pp.110.155119 (2010).
van Parijs, F., K. Morreel, J. Ralph, W. Boerjan, and R. M. H. Merks. “Modeling lignin polymerization. Part 1: simulation model of dehydrogenation polymers.” Plant Physiology, Vol. 153, pp. 1332-1344, doi:10.1104/pp.110.154468 (2010).
Grabber, J. H., P. F. Schatz, H. Kim, F. Lu, and J. Ralph. “Identifying new lignin bioengineering targets: 1. Monolignol substitute impacts on lignin formation and cell wall fermentability.” BMC Plant Biology, 10:114, doi:10.1186/1471-2229-10-114 (2010).
Vanholme, R., J. Ralph, T. Akiyama, F. Lu, J. Rencoret Pazo, J. Christensen, A. Rohde, K. Morreel, R. DeRycke, H. Kim, B. Van Reusel, and W. Boerjan. “Engineering traditional monolignols out of lignins: The effects of concomitant F5H1-up-regulation and COMT-down-regulation in Arabidopsis,” (in final preparation, 2010).

Updated June 2011